{"id":6813,"date":"2026-06-06T15:39:54","date_gmt":"2026-06-06T07:39:54","guid":{"rendered":"https:\/\/www.vacuum-sintering.com\/?page_id=6813"},"modified":"2026-06-06T15:42:15","modified_gmt":"2026-06-06T07:42:15","slug":"sps-furnace-manufacturer","status":"publish","type":"page","link":"https:\/\/www.vacuum-sintering.com\/fr\/sps-furnace-manufacturer\/","title":{"rendered":"Fabricant de fours SPS | Groupe HaoYue"},"content":{"rendered":"
\n\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t
\n\n

Fabricant de fours SPS<\/h1>\n

Groupe HaoYue \u2014 Fabricant de fours SPS certifi\u00e9 ISO 9001<\/p>\n\n

\n

En tant que leader Fabricant de fours SPS<\/strong>, Le groupe HaoYue con\u00e7oit et fabrique des syst\u00e8mes de frittage plasma par \u00e9tincelles (SPS) de pointe pour la densification rapide de mat\u00e9riaux avanc\u00e9s. Nos fours SPS utilisent un courant continu puls\u00e9 et une pression uniaxiale pour atteindre une densit\u00e9 proche de la densit\u00e9 th\u00e9orique en quelques minutes, soit beaucoup plus rapidement que le frittage conventionnel. Des unit\u00e9s de recherche en laboratoire aux lignes de production continues enti\u00e8rement automatis\u00e9es, HaoYue fournit une technologie SPS r\u00e9pondant aux exigences les plus strictes en mati\u00e8re de traitement des mat\u00e9riaux.<\/p>\n<\/div>\n\n

Qu'est-ce que le frittage par plasma \u00e9tincelle (SPS)\u00a0?<\/h2>\n

Le frittage par plasma \u00e9tincelle (SPS), \u00e9galement connu sous le nom de frittage assist\u00e9 par champ \u00e9lectrique (FAST) ou frittage par courant \u00e9lectrique puls\u00e9 (PECS), est une technologie de frittage rapide qui utilise un courant continu puls\u00e9 traversant directement une matrice conductrice et un compact de poudre. La combinaison d'un chauffage rapide (jusqu'\u00e0 600 \u00b0C\/min), d'une pression uniaxiale et des effets d'activation du plasma permet\u00a0:<\/p>\n

    \n
  • Densification ultra-rapide<\/strong> \u2014 Frittage complet en 5 \u00e0 30 minutes au lieu de plusieurs heures<\/li>\n
  • r\u00e9tention de nanostructure<\/strong> \u2014 Croissance minimale des grains gr\u00e2ce \u00e0 un temps de traitement court et \u00e0 des temp\u00e9ratures plus basses<\/li>\n
  • Capacit\u00e9 de mise en forme quasi-nette<\/strong> \u2014 Usinage minimal requis apr\u00e8s frittage<\/li>\n
  • Densification de mat\u00e9riaux difficiles<\/strong> \u2014 Nanoc\u00e9ramiques, m\u00e9taux r\u00e9fractaires, mat\u00e9riaux \u00e0 gradient fonctionnel et compos\u00e9s thermosensibles<\/li>\n<\/ul>\n\n

    Gamme de produits pour fours SPS HaoYue<\/h2>\n\n

    S\u00e9rie SPS-L \u2014 Four SPS de laboratoire<\/h3>\n
      \n
    • Temp\u00e9rature:<\/strong> Jusqu'\u00e0 2200 \u00b0C<\/li>\n
    • Capacit\u00e9 de la presse :<\/strong> 10T \u2013 50T<\/li>\n
    • Vitesse de chauffage :<\/strong> Jusqu'\u00e0 600 \u00b0C\/min<\/li>\n
    • Taille de l'\u00e9chantillon :<\/strong> \u2264\u03a650mm<\/li>\n
    • Alimentation \u00e9lectrique :<\/strong> courant continu puls\u00e9 de 10 \u00e0 30 kW<\/li>\n
    • Applications :<\/strong> Recherche sur les mat\u00e9riaux, d\u00e9veloppement de proc\u00e9d\u00e9s, R&D \u00e0 petite \u00e9chelle, \u00e9tablissements universitaires<\/li>\n
    • Caract\u00e9ristique principale :<\/strong> Conception compacte de table avec contr\u00f4le complet du processus et enregistrement des donn\u00e9es<\/li>\n<\/ul>\n\n

      S\u00e9rie SPS-M \u2014 Syst\u00e8me de production SPS semi-continu<\/h3>\n
        \n
      • Temp\u00e9rature:<\/strong> Jusqu'\u00e0 2200 \u00b0C<\/li>\n
      • Capacit\u00e9 de la presse :<\/strong> 50T \u2013 200T<\/li>\n
      • Taille de l'\u00e9chantillon :<\/strong> \u2264\u03a6200mm<\/li>\n
      • Vitesse de chauffage :<\/strong> Jusqu'\u00e0 500 \u00b0C\/min<\/li>\n
      • Caract\u00e9ristiques:<\/strong> Cycle automatis\u00e9 de remplissage, de frittage et d'\u00e9jection des moules<\/li>\n
      • Applications :<\/strong> Production en moyenne s\u00e9rie de c\u00e9ramiques avanc\u00e9es, de cermets et de mat\u00e9riaux composites<\/li>\n
      • Caract\u00e9ristique principale :<\/strong> Fonctionnement semi-automatique avec gestion des recettes pour une production par lots r\u00e9p\u00e9table<\/li>\n<\/ul>\n\n

        S\u00e9rie SPS-C \u2014 Ligne de production SPS continue<\/h3>\n
          \n
        • Temp\u00e9rature:<\/strong> Jusqu'\u00e0 2000\u00b0C<\/li>\n
        • Capacit\u00e9 de la presse :<\/strong> 100T \u2013 500T<\/li>\n
        • Caract\u00e9ristiques:<\/strong> Transport de poudre enti\u00e8rement automatis\u00e9, indexation des matrices, frittage et collecte des produits<\/li>\n
        • Applications :<\/strong> Production industrielle \u00e0 grande \u00e9chelle de composants fritt\u00e9s uniformes<\/li>\n
        • Caract\u00e9ristique principale :<\/strong> Fonctionnement continu avec une intervention minimale de l'op\u00e9rateur \u2014 Pr\u00eat pour l'Industrie 4.0<\/li>\n<\/ul>\n\n

          S\u00e9rie SPS-H \u2014 Four hybride \u00e0 induction + SPS<\/h3>\n
            \n
          • Temp\u00e9rature:<\/strong> Jusqu'\u00e0 2200 \u00b0C<\/li>\n
          • M\u00e9thode de chauffage\u00a0:<\/strong> Chauffage par induction combin\u00e9 et courant continu puls\u00e9<\/li>\n
          • Avantages :<\/strong> Chauffage plus rapide pour les \u00e9chantillons de grand diam\u00e8tre, gradient thermique r\u00e9duit<\/li>\n
          • Applications :<\/strong> Composants de grande taille, mat\u00e9riaux \u00e0 gradient fonctionnel, composites haute temp\u00e9rature<\/li>\n
          • Caract\u00e9ristique principale :<\/strong> Le chauffage hybride permet une distribution uniforme de la temp\u00e9rature dans les matrices de plus grande taille<\/li>\n<\/ul>\n\n

            Comparaison des sp\u00e9cifications techniques<\/h2>\n\n\n\n\n\n
            Param\u00e8tre<\/th>\nSPS-L (Laboratoire)<\/th>\nSPS-M (Semi)<\/th>\nSPS-C (Continu)<\/th>\nSPS-H (Hybride)<\/th>\n<\/tr>\n<\/thead>\n
            Temp\u00e9rature maximale<\/td>2200\u00b0C<\/td>2200\u00b0C<\/td>2000\u00b0C<\/td>2200\u00b0C<\/td><\/tr>\n
            Capacit\u00e9 de la presse<\/td>10\u201350T<\/td>50\u2013200T<\/td>100\u2013500T<\/td>50\u2013300T<\/td><\/tr>\n
            Taux de chauffage<\/td>600 \u00b0C\/min<\/td>500 \u00b0C\/min<\/td>400 \u00b0C\/min<\/td>500 \u00b0C\/min<\/td><\/tr>\n
            Diam\u00e8tre de l'\u00e9chantillon<\/td>\u2264\u03a650mm<\/td>\u2264\u03a6200mm<\/td>\u2264\u03a6300mm<\/td>\u2264\u03a6250mm<\/td><\/tr>\n
            Pouvoir<\/td>10\u201330 kW<\/td>30\u201380 kW<\/td>80\u2013200 kW<\/td>50\u2013150 kW<\/td><\/tr>\n
            Vide<\/td>6,7 \u00d7 10\u207b\u00b3 Pa<\/td>6,7 \u00d7 10\u207b\u00b3 Pa<\/td>6,7 \u00d7 10\u207b\u00b2 Pa<\/td>6,7 \u00d7 10\u207b\u00b3 Pa<\/td><\/tr>\n
            Rythme du pouls<\/td>Programmable<\/td>Programmable<\/td>Programmable<\/td>Personnalisable<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n

            Applications concr\u00e8tes : \u00c9tudes de cas de fours SPS<\/h2>\n\n

            Cas 1\u00a0: Mat\u00e9riaux thermo\u00e9lectriques nanostructur\u00e9s \u2014 Institut europ\u00e9en de recherche<\/h3>\n

            Un institut europ\u00e9en sp\u00e9cialis\u00e9 dans les mat\u00e9riaux pour les \u00e9nergies durables avait besoin d'un Fabricant de fours SPS<\/strong> Capable de produire des mat\u00e9riaux thermo\u00e9lectriques nanostructur\u00e9s \u00e0 granulom\u00e9trie contr\u00f4l\u00e9e \u00e0 l'\u00e9chelle industrielle, HaoYue a fourni un syst\u00e8me de laboratoire SPS-L suivi d'une unit\u00e9 de production semi-continue SPS-M. R\u00e9sultats\u00a0:<\/p>\n

              \n
            • Mat\u00e9riaux de tellurure de bismuth et de skutterudite fritt\u00e9s \u00e0 une densit\u00e9 >99% en moins de 10 minutes<\/li>\n
            • La taille des grains est maintenue en dessous de 100 nm, ce qui permet d'obtenir des valeurs ZT sup\u00e9rieures \u00e0 celles des mat\u00e9riaux fritt\u00e9s de mani\u00e8re conventionnelle pour le 40%.<\/li>\n
            • Proc\u00e9d\u00e9 \u00e9volutif \u2014 la recette de laboratoire est directement transpos\u00e9e au syst\u00e8me de production avec un minimum d'ajustements.<\/li>\n
            • Consommation d'\u00e9nergie r\u00e9duite de 70% par rapport aux proc\u00e9d\u00e9s de pressage \u00e0 chaud \u00e9quivalents.<\/li>\n<\/ul>\n\n

              Cas n\u00b0 2\u00a0: Production d\u2019outils de coupe de qualit\u00e9 sup\u00e9rieure \u2014 Fabricant saoudien de carbure<\/h3>\n

              Un fabricant saoudien produisant des outils de coupe en carbure \u00e0 grain ultrafin avait besoin d'un Four SPS<\/strong> Pour les nuances de carbure de tungst\u00e8ne sans liant ou quasi sans liant, HaoYue a fourni un syst\u00e8me semi-continu SPS-M d'une capacit\u00e9 de presse de 150 tonnes.<\/p>\n

                \n
              • Le WC sans liant a atteint une densit\u00e9 >98% \u00e0 1800\u00b0C en 15 minutes<\/li>\n
              • Taille des grains\u00a0: 200\u2013400 nm \u2014 nettement plus fine que celle obtenue par frittage sous vide conventionnel<\/li>\n
              • Valeurs de duret\u00e9 sup\u00e9rieures \u00e0 2200 HV<\/li>\n
              • Cadence de production : plus de 500 plaquettes d'outillage par poste de 8 heures<\/li>\n<\/ul>\n\n

                Cas 3\u00a0: D\u00e9veloppement de mat\u00e9riaux \u00e0 gradient fonctionnel \u2014 Universit\u00e9 asiatique<\/h3>\n

                Le d\u00e9partement de science des mat\u00e9riaux d'une universit\u00e9 asiatique a choisi HaoYue comme leur Fabricant de fours SPS<\/strong> pour la recherche sur les mat\u00e9riaux \u00e0 gradient fonctionnel (MGF). Le syst\u00e8me SPS-L a permis\u00a0:<\/p>\n

                  \n
                • Fabrication de FGM multicouches avec transition progressive de composition de la c\u00e9ramique au m\u00e9tal<\/li>\n
                • Contr\u00f4le pr\u00e9cis de la temp\u00e9rature et de la pression pour chaque couche dans un seul cycle de frittage<\/li>\n
                • La r\u00e9sistance aux chocs thermiques est am\u00e9lior\u00e9e par le mat\u00e9riau 150% par rapport aux c\u00e9ramiques monolithiques.<\/li>\n
                • Recherche publi\u00e9e dans 8 revues \u00e0 comit\u00e9 de lecture utilisant le syst\u00e8me HaoYue SPS<\/li>\n<\/ul>\n\n

                  Processus SPS : Comment \u00e7a marche<\/h2>\n
                    \n
                  1. Pr\u00e9paration de la matrice :<\/strong> La poudre est charg\u00e9e dans une matrice en graphite conducteur munie de pistons \u00e0 chaque extr\u00e9mit\u00e9.<\/li>\n
                  2. \u00c9vacuation de la chambre :<\/strong> La chambre SPS est mise sous vide pouss\u00e9 ou remplie de gaz inerte.<\/li>\n
                  3. Application de la pression\u00a0:<\/strong> Une pression uniaxiale (g\u00e9n\u00e9ralement de 30 \u00e0 100 MPa) est appliqu\u00e9e par l'interm\u00e9diaire des pistons.<\/li>\n
                  4. Courant puls\u00e9\u00a0:<\/strong> Un courant continu puls\u00e9 programmable (motif d'impulsions marche\/arr\u00eat) traverse la matrice et le compact de poudre \u2014 la matrice agit comme un \u00e9l\u00e9ment chauffant tandis que le courant traverse \u00e9galement directement les poudres conductrices.<\/li>\n
                  5. Chauffage rapide :<\/strong> Les temp\u00e9ratures atteignent 1000 \u00b0C \u00e0 2200 \u00b0C en 2 \u00e0 5 minutes selon le mat\u00e9riau et la taille de la matrice.<\/li>\n
                  6. Maintien du frittage\u00a0:<\/strong> La temp\u00e9rature et la pression sont maintenues pendant la dur\u00e9e de maintien requise (g\u00e9n\u00e9ralement de 3 \u00e0 15 minutes).<\/li>\n
                  7. Refroidissement contr\u00f4l\u00e9\u00a0:<\/strong> La puissance est r\u00e9duite tandis que la pression est maintenue pendant le refroidissement initial afin de minimiser la distorsion<\/li>\n
                  8. Extraction de la matrice :<\/strong> La pi\u00e8ce fritt\u00e9e est extraite de la matrice, g\u00e9n\u00e9ralement presque finie, avec un post-traitement minimal.<\/li>\n<\/ol>\n\n

                    Mat\u00e9riaux trait\u00e9s par la technologie SPS<\/h2>\n\n\n\n\n\n
                    Cat\u00e9gorie de mat\u00e9riaux<\/th>\nMat\u00e9riaux sp\u00e9cifiques<\/th>\nDur\u00e9e typique du cycle<\/th>\n<\/tr>\n<\/thead>\n
                    C\u00e9ramiques avanc\u00e9es<\/td>Al\u2082O\u2083, ZrO\u2082, SiC, B\u2084C, Si\u2083N\u2084, AlN<\/td>10 \u00e0 20 min<\/td><\/tr>\n
                    M\u00e9taux r\u00e9fractaires<\/td>W, Mo, Ta, Nb, Re, leurs alliages<\/td>15 \u00e0 30 min<\/td><\/tr>\n
                    Mat\u00e9riaux nanostructur\u00e9s<\/td>Nanoc\u00e9ramiques, nanocomposites, nanopoudres<\/td>5 \u00e0 15 min<\/td><\/tr>\n
                    thermo\u00e9lectricit\u00e9<\/td>Bi\u2082Te\u2083, skutterudites, PbTe, demi-Heusler<\/td>8 \u00e0 15 min<\/td><\/tr>\n
                    Cermets et composites<\/td>WC-Co, TiC-Ni, Al\u2082O\u2083-SiC, B\u2084C-TiB\u2082<\/td>10 \u00e0 20 min<\/td><\/tr>\n
                    MGF<\/td>couches c\u00e9ramique-m\u00e9tal \u00e0 composition graduelle<\/td>15 \u00e0 40 min<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n

                    Capacit\u00e9s de production de l'usine<\/h2>\n
                      \n
                    • Capacit\u00e9 annuelle :<\/strong> Plus de 500 syst\u00e8mes de fours sous vide, dont une ligne de production SPS d\u00e9di\u00e9e.<\/li>\n
                    • \u00c9quipe de recherche et d\u00e9veloppement :<\/strong> Plus de 45 ing\u00e9nieurs poss\u00e9dant des connaissances sp\u00e9cialis\u00e9es sur les proc\u00e9d\u00e9s SPS<\/li>\n
                    • Certifications :<\/strong> ISO 9001:2015, CE<\/li>\n
                    • Laboratoire de d\u00e9monstration SPS\u00a0:<\/strong> Installation d'essais SPS sur site pour le traitement des \u00e9chantillons clients et le d\u00e9veloppement des proc\u00e9d\u00e9s<\/li>\n
                    • Installations mondiales\u00a0:<\/strong> Syst\u00e8mes SPS fournis \u00e0 plus de 15 pays<\/li>\n<\/ul>\n\n

                      Pourquoi choisir HaoYue comme fabricant de fours SPS ?<\/h2>\n
                        \n
                      • Gamme SPS compl\u00e8te :<\/strong> Des lignes de production continues enti\u00e8rement automatis\u00e9es, \u00e0 l'\u00e9chelle du laboratoire<\/li>\n
                      • Soutien au d\u00e9veloppement des processus\u00a0:<\/strong> Nos ing\u00e9nieurs travaillent avec vos mat\u00e9riaux pour d\u00e9velopper des profils de frittage optimis\u00e9s.<\/li>\n
                      • Conception de matrice personnalis\u00e9e\u00a0:<\/strong> G\u00e9om\u00e9tries de matrices complexes pour des formes d'\u00e9chantillons non standard<\/li>\n
                      • Contr\u00f4le avanc\u00e9 du pouls\u00a0:<\/strong> Mod\u00e8les d'impulsions enti\u00e8rement programmables (temps de marche\/arr\u00eat, amplitude du courant) pour une optimisation sp\u00e9cifique au mat\u00e9riau<\/li>\n
                      • R\u00e9sultats fond\u00e9s sur les donn\u00e9es\u00a0:<\/strong> Exportation compl\u00e8te des donn\u00e9es pour la validation et la publication des processus<\/li>\n
                      • Assistance apr\u00e8s-vente\u00a0:<\/strong> Assistance technique 24h\/24 et 7j\/7, diagnostic \u00e0 distance et service sur site<\/li>\n<\/ul>\n\n

                        Options de personnalisation<\/h2>\n
                          \n
                        • Dimensions et mat\u00e9riau de la matrice\u00a0:<\/strong> Matrices en graphite, en carbure de silicium ou en m\u00e9tal r\u00e9fractaire pour diff\u00e9rentes applications<\/li>\n
                        • Atmosph\u00e8re:<\/strong> Sous vide, sous argon, sous azote ou sous atmosph\u00e8re r\u00e9ductrice<\/li>\n
                        • Mesure de la temp\u00e9rature :<\/strong> Pyrom\u00e8tre, thermocouple ou les deux pour un contr\u00f4le pr\u00e9cis sur toutes les plages de temp\u00e9rature<\/li>\n
                        • Niveau d'automatisation\u00a0:<\/strong> Op\u00e9rations manuelles en laboratoire jusqu'\u00e0 la production enti\u00e8rement automatis\u00e9e avec manutention robotis\u00e9e des mat\u00e9riaux<\/li>\n
                        • Syst\u00e8me de donn\u00e9es :<\/strong> Journalisation de cycle de base, rapports SPC avanc\u00e9s ou surveillance bas\u00e9e sur le cloud<\/li>\n<\/ul>\n\n

                          Foire aux questions<\/h2>\n\n
                          \n

                          Quelle est la diff\u00e9rence entre le pressage SPS et le pressage \u00e0 chaud conventionnel\u00a0?<\/h3>\n

                          Le frittage SPS utilise un courant continu puls\u00e9 traversant directement la matrice et le compact de poudre, permettant des vitesses de chauffage jusqu'\u00e0 600 \u00b0C\/min, soit 10 \u00e0 20 fois plus rapides que le pressage \u00e0 chaud conventionnel. Ce chauffage rapide, combin\u00e9 aux effets du champ \u00e9lectromagn\u00e9tique et \u00e0 l'activation par plasma, permet une densification \u00e0 des temp\u00e9ratures plus basses et en des temps de cycle beaucoup plus courts, tout en pr\u00e9servant les microstructures fines.<\/p>\n<\/div>\n\n

                          \n

                          Le SPS peut-il traiter des mat\u00e9riaux non conducteurs\u00a0?<\/h3>\n

                          Oui. Pour les poudres c\u00e9ramiques non conductrices, la matrice en graphite fait office d'\u00e9l\u00e9ment chauffant par effet Joule, tandis que la chaleur rayonnante et la conduction thermique assurent le transfert de chaleur \u00e0 l'\u00e9chantillon. Le courant puls\u00e9 et la pression permettent une densification plus rapide que les m\u00e9thodes conventionnelles pour les mat\u00e9riaux c\u00e9ramiques.<\/p>\n<\/div>\n\n

                          \n

                          Quelles g\u00e9om\u00e9tries d'\u00e9chantillons sont possibles avec SPS\u00a0?<\/h3>\n

                          Le frittage SPS standard permet de produire des formes cylindriques et rectangulaires simples. Gr\u00e2ce \u00e0 des matrices sur mesure, il est possible de r\u00e9aliser des g\u00e9om\u00e9tries plus complexes, notamment des cylindres \u00e9tag\u00e9s, des tubes et des pi\u00e8ces quasi-finies. L'usinage apr\u00e8s frittage permet d'atteindre les tol\u00e9rances finales.<\/p>\n<\/div>\n\n

                          \n

                          Le syst\u00e8me SPS est-il adapt\u00e9 \u00e0 la production industrielle de masse\u00a0?<\/h3>\n

                          Oui. Les lignes de production continue SPS-C de HaoYue sont sp\u00e9cialement con\u00e7ues pour la fabrication industrielle \u00e0 grande \u00e9chelle. Ces syst\u00e8mes automatisent le cycle complet (remplissage des moules, frittage, refroidissement et \u00e9jection des produits) avec une intervention minimale de l'op\u00e9rateur. Plusieurs moules sont utilis\u00e9s successivement pour une production continue.<\/p>\n<\/div>\n\n

                          \n

                          Quel entretien n\u00e9cessite un four SPS\u00a0?<\/h3>\n

                          L'entretien r\u00e9gulier comprend l'inspection des \u00e9lectrodes et des contacts, la v\u00e9rification du syst\u00e8me de refroidissement de l'alimentation, la vidange de l'huile de la pompe \u00e0 vide et le remplacement de la matrice en graphite (pi\u00e8ce consommable). HaoYue fournit un programme d'entretien complet et un kit de pi\u00e8ces de rechange avec chaque syst\u00e8me SPS.<\/p>\n<\/div>\n\n

                          \n

                          HaoYue propose-t-il des services de d\u00e9veloppement de proc\u00e9d\u00e9s SPS\u00a0?<\/h3>\n

                          Oui. Notre laboratoire de d\u00e9monstration SPS peut traiter des \u00e9chantillons de mat\u00e9riaux clients afin de d\u00e9montrer la faisabilit\u00e9 du proc\u00e9d\u00e9 et de d\u00e9velopper des recettes de frittage optimis\u00e9es. Ce service est disponible avant tout engagement d'achat et se poursuit comme un soutien continu pour l'optimisation du processus de production.<\/p>\n<\/div>\n\n

                          Contactez HaoYue \u2014 Votre fabricant de fours SPS de confiance<\/h2>\n

                          Envie de d\u00e9couvrir comment le frittage plasma par \u00e9tincelles peut transformer vos proc\u00e9d\u00e9s de traitement des mat\u00e9riaux\u00a0? Contactez-nous pour une consultation, le traitement d\u2019\u00e9chantillons ou un devis d\u2019\u00e9quipement.<\/p>\n

                          Groupe HaoYue<\/strong><\/p>\n

                            \n
                          • T\u00e9l\/WhatsApp\u00a0:<\/strong> +86-180-6810-6501<\/li>\n
                          • E-mail:<\/strong> lyle@haoyue-group.com<\/li>\n
                          • Site web:<\/strong> www.vacuum-sintering.com<\/li>\n
                          • Usine:<\/strong> No.1, parc industriel de Jufeng, district de Tongzhou, Nantong, Jiangsu, Chine<\/li>\n<\/ul>\n\n

                            \u00a9 2026 HaoYue Group \u2014 Fabricant de fours SPS<\/p>\n\n<\/section>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

                            SPS Furnace Manufacturer HaoYue Group \u2014 ISO 9001 Certified SPS Furnace Manufacturer As a leading […]<\/p>\n","protected":false},"author":2,"featured_media":5419,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","site-sidebar-layout":"no-sidebar","site-content-layout":"","ast-site-content-layout":"full-width-container","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-6813","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"spectra_custom_meta":{"_uagb_previous_block_counts":["a:90:{s:21:\"uagb\/advanced-heading\";i:0;s:15:\"uagb\/blockquote\";i:0;s:12:\"uagb\/buttons\";i:0;s:18:\"uagb\/buttons-child\";i:0;s:19:\"uagb\/call-to-action\";i:0;s:15:\"uagb\/cf7-styler\";i:0;s:11:\"uagb\/column\";i:0;s:12:\"uagb\/columns\";i:0;s:14:\"uagb\/container\";i:0;s:21:\"uagb\/content-timeline\";i:0;s:27:\"uagb\/content-timeline-child\";i:0;s:14:\"uagb\/countdown\";i:0;s:12:\"uagb\/counter\";i:0;s:8:\"uagb\/faq\";i:0;s:14:\"uagb\/faq-child\";i:0;s:10:\"uagb\/forms\";i:0;s:17:\"uagb\/forms-accept\";i:0;s:19:\"uagb\/forms-checkbox\";i:0;s:15:\"uagb\/forms-date\";i:0;s:16:\"uagb\/forms-email\";i:0;s:17:\"uagb\/forms-hidden\";i:0;s:15:\"uagb\/forms-name\";i:0;s:16:\"uagb\/forms-phone\";i:0;s:16:\"uagb\/forms-radio\";i:0;s:17:\"uagb\/forms-select\";i:0;s:19:\"uagb\/forms-textarea\";i:0;s:17:\"uagb\/forms-toggle\";i:0;s:14:\"uagb\/forms-url\";i:0;s:14:\"uagb\/gf-styler\";i:0;s:15:\"uagb\/google-map\";i:0;s:11:\"uagb\/how-to\";i:0;s:16:\"uagb\/how-to-step\";i:0;s:9:\"uagb\/icon\";i:0;s:14:\"uagb\/icon-list\";i:0;s:20:\"uagb\/icon-list-child\";i:0;s:10:\"uagb\/image\";i:0;s:18:\"uagb\/image-gallery\";i:0;s:13:\"uagb\/info-box\";i:0;s:18:\"uagb\/inline-notice\";i:0;s:11:\"uagb\/lottie\";i:0;s:21:\"uagb\/marketing-button\";i:0;s:10:\"uagb\/modal\";i:0;s:18:\"uagb\/popup-builder\";i:0;s:16:\"uagb\/post-button\";i:0;s:18:\"uagb\/post-carousel\";i:0;s:17:\"uagb\/post-excerpt\";i:0;s:14:\"uagb\/post-grid\";i:0;s:15:\"uagb\/post-image\";i:0;s:17:\"uagb\/post-masonry\";i:0;s:14:\"uagb\/post-meta\";i:0;s:18:\"uagb\/post-taxonomy\";i:0;s:18:\"uagb\/post-timeline\";i:0;s:15:\"uagb\/post-title\";i:0;s:20:\"uagb\/restaurant-menu\";i:0;s:26:\"uagb\/restaurant-menu-child\";i:0;s:11:\"uagb\/review\";i:0;s:12:\"uagb\/section\";i:0;s:14:\"uagb\/separator\";i:0;s:11:\"uagb\/slider\";i:0;s:17:\"uagb\/slider-child\";i:0;s:17:\"uagb\/social-share\";i:0;s:23:\"uagb\/social-share-child\";i:0;s:16:\"uagb\/star-rating\";i:0;s:23:\"uagb\/sure-cart-checkout\";i:0;s:22:\"uagb\/sure-cart-product\";i:0;s:15:\"uagb\/sure-forms\";i:0;s:22:\"uagb\/table-of-contents\";i:0;s:9:\"uagb\/tabs\";i:0;s:15:\"uagb\/tabs-child\";i:0;s:18:\"uagb\/taxonomy-list\";i:0;s:9:\"uagb\/team\";i:0;s:16:\"uagb\/testimonial\";i:0;s:14:\"uagb\/wp-search\";i:0;s:19:\"uagb\/instagram-feed\";i:0;s:10:\"uagb\/login\";i:0;s:17:\"uagb\/loop-builder\";i:0;s:18:\"uagb\/loop-category\";i:0;s:20:\"uagb\/loop-pagination\";i:0;s:15:\"uagb\/loop-reset\";i:0;s:16:\"uagb\/loop-search\";i:0;s:14:\"uagb\/loop-sort\";i:0;s:17:\"uagb\/loop-wrapper\";i:0;s:13:\"uagb\/register\";i:0;s:19:\"uagb\/register-email\";i:0;s:24:\"uagb\/register-first-name\";i:0;s:23:\"uagb\/register-last-name\";i:0;s:22:\"uagb\/register-password\";i:0;s:30:\"uagb\/register-reenter-password\";i:0;s:19:\"uagb\/register-terms\";i:0;s:22:\"uagb\/register-username\";i:0;}"],"_edit_lock":["1780731744:2"],"rank_math_internal_links_processed":["1"],"rank_math_seo_score":["9"],"_edit_last":["2"],"_wpcode_header_scripts":["a:4:{s:14:\"disable_global\";b:0;s:3:\"any\";s:0:\"\";s:7:\"desktop\";s:0:\"\";s:6:\"mobile\";s:0:\"\";}"],"_wpcode_footer_scripts":["a:4:{s:14:\"disable_global\";b:0;s:3:\"any\";s:0:\"\";s:7:\"desktop\";s:0:\"\";s:6:\"mobile\";s:0:\"\";}"],"_wpcode_body_scripts":["a:4:{s:14:\"disable_global\";b:0;s:3:\"any\";s:0:\"\";s:7:\"desktop\";s:0:\"\";s:6:\"mobile\";s:0:\"\";}"],"_wpcode_page_snippets":["a:0:{}"],"_elementor_edit_mode":["builder"],"_astra_content_layout_flag":["disabled"],"ast-title-bar-display":["disabled"],"ast-featured-img":["disabled"],"ast-site-content-layout":["full-width-container"],"site-sidebar-layout":["no-sidebar"],"_elementor_template_type":["wp-page"],"_elementor_version":["4.1.1"],"_elementor_pro_version":["4.0.1"],"_wp_page_template":["default"],"_elementor_data":["[{\"id\":\"b0a2e7a\",\"elType\":\"container\",\"settings\":{\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"49cb3b0\"}]},\"elements\":[{\"id\":\"e594000\",\"elType\":\"widget\",\"settings\":{\"html\":\"

                            \\n\\n

                            SPS Furnace Manufacturer<\\\/h1>\\n

                            HaoYue Group \\u2014 ISO 9001 Certified SPS Furnace Manufacturer<\\\/p>\\n\\n

                            \\n

                            As a leading SPS furnace manufacturer<\\\/strong>, HaoYue Group designs and builds advanced spark plasma sintering systems for rapid densification of advanced materials. Our SPS furnaces use pulsed DC current and uniaxial pressure to achieve near-theoretical density in minutes \\u2014 dramatically faster than conventional sintering. From laboratory research units to fully automated continuous production lines, HaoYue delivers SPS technology that meets the most demanding materials processing requirements.<\\\/p>\\n<\\\/div>\\n\\n

                            What Is Spark Plasma Sintering (SPS)?<\\\/h2>\\n

                            Spark plasma sintering (SPS), also known as field-assisted sintering technique (FAST) or pulsed electric current sintering (PECS), is a rapid sintering technology that uses pulsed DC current passing directly through a conductive die and powder compact. The combination of rapid heating (up to 600\\u00b0C\\\/min), uniaxial pressure, and plasma activation effects enables:<\\\/p>\\n

                              \\n
                            • Ultra-fast densification<\\\/strong> \\u2014 Complete sintering in 5\\u201330 minutes instead of hours<\\\/li>\\n
                            • Nanostructure retention<\\\/strong> \\u2014 Minimal grain growth due to short processing time and lower temperatures<\\\/li>\\n
                            • Near-net-shape capability<\\\/strong> \\u2014 Minimal machining required after sintering<\\\/li>\\n
                            • Densification of difficult materials<\\\/strong> \\u2014 Nanoceramics, refractory metals, FGMs, and temperature-sensitive compounds<\\\/li>\\n<\\\/ul>\\n\\n

                              HaoYue SPS Furnace Product Series<\\\/h2>\\n\\n

                              SPS-L Series \\u2014 Laboratory SPS Furnace<\\\/h3>\\n
                                \\n
                              • Temperature:<\\\/strong> Up to 2200\\u00b0C<\\\/li>\\n
                              • Press capacity:<\\\/strong> 10T \\u2013 50T<\\\/li>\\n
                              • Heating rate:<\\\/strong> Up to 600\\u00b0C\\\/min<\\\/li>\\n
                              • Sample size:<\\\/strong> \\u2264\\u03a650mm<\\\/li>\\n
                              • Power supply:<\\\/strong> 10\\u201330 kW pulsed DC<\\\/li>\\n
                              • Applications:<\\\/strong> Materials research, process development, small-batch R&D, academic institutions<\\\/li>\\n
                              • Key feature:<\\\/strong> Compact benchtop design with full process control and data logging<\\\/li>\\n<\\\/ul>\\n\\n

                                SPS-M Series \\u2014 Semi-Continuous SPS Production System<\\\/h3>\\n
                                  \\n
                                • Temperature:<\\\/strong> Up to 2200\\u00b0C<\\\/li>\\n
                                • Press capacity:<\\\/strong> 50T \\u2013 200T<\\\/li>\\n
                                • Sample size:<\\\/strong> \\u2264\\u03a6200mm<\\\/li>\\n
                                • Heating rate:<\\\/strong> Up to 500\\u00b0C\\\/min<\\\/li>\\n
                                • Features:<\\\/strong> Automated die filling, sintering, and ejection cycle<\\\/li>\\n
                                • Applications:<\\\/strong> Medium-volume production of advanced ceramics, cermets, and composite materials<\\\/li>\\n
                                • Key feature:<\\\/strong> Semi-automatic operation with recipe management for repeatable batch production<\\\/li>\\n<\\\/ul>\\n\\n

                                  SPS-C Series \\u2014 Continuous SPS Production Line<\\\/h3>\\n
                                    \\n
                                  • Temperature:<\\\/strong> Up to 2000\\u00b0C<\\\/li>\\n
                                  • Press capacity:<\\\/strong> 100T \\u2013 500T<\\\/li>\\n
                                  • Features:<\\\/strong> Fully automated powder transport, die indexing, sintering, and product collection<\\\/li>\\n
                                  • Applications:<\\\/strong> High-volume industrial production of uniform sintered components<\\\/li>\\n
                                  • Key feature:<\\\/strong> Continuous operation with minimal operator intervention \\u2014 Industry 4.0 ready<\\\/li>\\n<\\\/ul>\\n\\n

                                    SPS-H Series \\u2014 Hybrid Induction + SPS Furnace<\\\/h3>\\n
                                      \\n
                                    • Temperature:<\\\/strong> Up to 2200\\u00b0C<\\\/li>\\n
                                    • Heating method:<\\\/strong> Combined induction heating and pulsed DC<\\\/li>\\n
                                    • Advantages:<\\\/strong> Faster heating for large-diameter samples, reduced thermal gradient<\\\/li>\\n
                                    • Applications:<\\\/strong> Large-scale components, functionally graded materials, high-temperature composites<\\\/li>\\n
                                    • Key feature:<\\\/strong> Hybrid heating enables uniform temperature distribution in larger dies<\\\/li>\\n<\\\/ul>\\n\\n

                                      Technical Specifications Comparison<\\\/h2>\\n\\n\\n\\n\\n\\n
                                      Parameter<\\\/th>\\nSPS-L (Lab)<\\\/th>\\nSPS-M (Semi)<\\\/th>\\nSPS-C (Continuous)<\\\/th>\\nSPS-H (Hybrid)<\\\/th>\\n<\\\/tr>\\n<\\\/thead>\\n
                                      Max Temp<\\\/td>2200\\u00b0C<\\\/td>2200\\u00b0C<\\\/td>2000\\u00b0C<\\\/td>2200\\u00b0C<\\\/td><\\\/tr>\\n
                                      Press Capacity<\\\/td>10\\u201350T<\\\/td>50\\u2013200T<\\\/td>100\\u2013500T<\\\/td>50\\u2013300T<\\\/td><\\\/tr>\\n
                                      Heating Rate<\\\/td>600\\u00b0C\\\/min<\\\/td>500\\u00b0C\\\/min<\\\/td>400\\u00b0C\\\/min<\\\/td>500\\u00b0C\\\/min<\\\/td><\\\/tr>\\n
                                      Sample Diameter<\\\/td>\\u2264\\u03a650mm<\\\/td>\\u2264\\u03a6200mm<\\\/td>\\u2264\\u03a6300mm<\\\/td>\\u2264\\u03a6250mm<\\\/td><\\\/tr>\\n
                                      Power<\\\/td>10\\u201330 kW<\\\/td>30\\u201380 kW<\\\/td>80\\u2013200 kW<\\\/td>50\\u2013150 kW<\\\/td><\\\/tr>\\n
                                      Vacuum<\\\/td>6.7\\u00d710\\u207b\\u00b3 Pa<\\\/td>6.7\\u00d710\\u207b\\u00b3 Pa<\\\/td>6.7\\u00d710\\u207b\\u00b2 Pa<\\\/td>6.7\\u00d710\\u207b\\u00b3 Pa<\\\/td><\\\/tr>\\n
                                      Pulse Pattern<\\\/td>Programmable<\\\/td>Programmable<\\\/td>Programmable<\\\/td>Customizable<\\\/td><\\\/tr>\\n<\\\/tbody>\\n<\\\/table>\\n\\n

                                      Real-World Applications: SPS Furnace Case Studies<\\\/h2>\\n\\n

                                      Case 1: Nanostructured Thermoelectric Materials \\u2014 European Research Institute<\\\/h3>\\n

                                      A European institute focused on sustainable energy materials needed an SPS furnace manufacturer<\\\/strong> capable of producing nanostructured thermoelectric materials with controlled grain size at production scale. HaoYue supplied an SPS-L laboratory system followed by an SPS-M semi-continuous production unit. Results:<\\\/p>\\n

                                        \\n
                                      • Bismuth telluride and skutterudite materials sintered to >99% density in under 10 minutes<\\\/li>\\n
                                      • Grain size maintained below 100 nm \\u2014 enabling ZT values 40% higher than conventionally sintered materials<\\\/li>\\n
                                      • Scalable process \\u2014 lab recipe transferred directly to the production system with minimal adjustment<\\\/li>\\n
                                      • Energy consumption reduced by 70% compared to hot pressing equivalents<\\\/li>\\n<\\\/ul>\\n\\n

                                        Case 2: Cutting Tool Grade Production \\u2014 Saudi Carbide Manufacturer<\\\/h3>\\n

                                        A Saudi manufacturer producing ultra-fine grain carbide cutting tools required an SPS furnace<\\\/strong> for binderless and near-binderless tungsten carbide grades. HaoYue delivered an SPS-M semi-continuous system with 150T press capacity:<\\\/p>\\n

                                          \\n
                                        • Binderless WC achieved >98% density at 1800\\u00b0C in 15 minutes<\\\/li>\\n
                                        • Grain size: 200\\u2013400 nm \\u2014 significantly finer than conventional vacuum sintering<\\\/li>\\n
                                        • Hardness values exceeding 2200 HV<\\\/li>\\n
                                        • Production throughput: 500+ tool inserts per 8-hour shift<\\\/li>\\n<\\\/ul>\\n\\n

                                          Case 3: Functionally Graded Materials Development \\u2014 Asian University<\\\/h3>\\n

                                          An Asian university materials science department chose HaoYue as their SPS furnace manufacturer<\\\/strong> for functionally graded material (FGM) research. The SPS-L system enabled:<\\\/p>\\n

                                            \\n
                                          • Multi-layer FGM fabrication with gradual composition transition from ceramic to metal<\\\/li>\\n
                                          • Precise temperature and pressure control for each layer in a single sintering cycle<\\\/li>\\n
                                          • Thermal shock resistance improved by 150% compared to monolithic ceramics<\\\/li>\\n
                                          • Published research in 8 peer-reviewed journals using the HaoYue SPS system<\\\/li>\\n<\\\/ul>\\n\\n

                                            SPS Process: How It Works<\\\/h2>\\n
                                              \\n
                                            1. Die Preparation:<\\\/strong> Powder is loaded into a conductive graphite die with plungers on both ends<\\\/li>\\n
                                            2. Chamber Evacuation:<\\\/strong> The SPS chamber is evacuated to high vacuum or backfilled with inert gas<\\\/li>\\n
                                            3. Pressure Application:<\\\/strong> Uniaxial pressure (typically 30\\u2013100 MPa) is applied through the plungers<\\\/li>\\n
                                            4. Pulsed Current:<\\\/strong> Programmable pulsed DC current (on\\\/off pulse pattern) passes through the die and powder compact \\u2014 the die acts as a heating element while current also passes directly through conductive powders<\\\/li>\\n
                                            5. Rapid Heating:<\\\/strong> Temperatures reach 1000\\u00b0C \\u2013 2200\\u00b0C in 2\\u20135 minutes depending on material and die size<\\\/li>\\n
                                            6. Sintering Hold:<\\\/strong> Temperature and pressure are maintained for the required dwell time (typically 3\\u201315 minutes)<\\\/li>\\n
                                            7. Controlled Cooling:<\\\/strong> Power is reduced while pressure is maintained during initial cooling to minimize distortion<\\\/li>\\n
                                            8. Die Extraction:<\\\/strong> The sintered compact is removed from the die \\u2014 typically near-net-shape with minimal post-processing<\\\/li>\\n<\\\/ol>\\n\\n

                                              Materials Processed with SPS Technology<\\\/h2>\\n\\n\\n\\n\\n\\n
                                              Material Category<\\\/th>\\nSpecific Materials<\\\/th>\\nTypical Cycle Time<\\\/th>\\n<\\\/tr>\\n<\\\/thead>\\n
                                              Advanced Ceramics<\\\/td>Al\\u2082O\\u2083, ZrO\\u2082, SiC, B\\u2084C, Si\\u2083N\\u2084, AlN<\\\/td>10\\u201320 min<\\\/td><\\\/tr>\\n
                                              Refractory Metals<\\\/td>W, Mo, Ta, Nb, Re, their alloys<\\\/td>15\\u201330 min<\\\/td><\\\/tr>\\n
                                              Nanostructured Materials<\\\/td>Nanoceramics, nanocomposites, nanopowders<\\\/td>5\\u201315 min<\\\/td><\\\/tr>\\n
                                              Thermoelectrics<\\\/td>Bi\\u2082Te\\u2083, skutterudites, PbTe, half-Heusler<\\\/td>8\\u201315 min<\\\/td><\\\/tr>\\n
                                              Cermets & Composites<\\\/td>WC-Co, TiC-Ni, Al\\u2082O\\u2083-SiC, B\\u2084C-TiB\\u2082<\\\/td>10\\u201320 min<\\\/td><\\\/tr>\\n
                                              FGMs<\\\/td>Ceramic-metal, composition-graded layers<\\\/td>15\\u201340 min<\\\/td><\\\/tr>\\n<\\\/tbody>\\n<\\\/table>\\n\\n

                                              Factory Capabilities & Production Strength<\\\/h2>\\n
                                                \\n
                                              • Annual capacity:<\\\/strong> 500+ vacuum furnace systems including dedicated SPS production line<\\\/li>\\n
                                              • R&D team:<\\\/strong> 45+ engineers with specialized SPS process knowledge<\\\/li>\\n
                                              • Certifications:<\\\/strong> ISO 9001:2015, CE<\\\/li>\\n
                                              • SPS demo lab:<\\\/strong> On-site SPS test facility for customer sample processing and process development<\\\/li>\\n
                                              • Global installations:<\\\/strong> SPS systems supplied to 15+ countries<\\\/li>\\n<\\\/ul>\\n\\n

                                                Why Choose HaoYue as Your SPS Furnace Manufacturer?<\\\/h2>\\n
                                                  \\n
                                                • Complete SPS range:<\\\/strong> From lab-scale to fully automated continuous production lines<\\\/li>\\n
                                                • Process development support:<\\\/strong> Our engineers work with your materials to develop optimized sintering profiles<\\\/li>\\n
                                                • Custom die design:<\\\/strong> Complex die geometries for non-standard sample shapes<\\\/li>\\n
                                                • Advanced pulse control:<\\\/strong> Fully programmable pulse patterns (on\\\/off timing, current amplitude) for material-specific optimization<\\\/li>\\n
                                                • Data-driven results:<\\\/strong> Full cycle data export for process validation and publication<\\\/li>\\n
                                                • After-sales support:<\\\/strong> 24\\\/7 technical support, remote diagnostics, and on-site service<\\\/li>\\n<\\\/ul>\\n\\n

                                                  Customization Options<\\\/h2>\\n
                                                    \\n
                                                  • Die size & material:<\\\/strong> Graphite, silicon carbide, or refractory metal dies for different applications<\\\/li>\\n
                                                  • Atmosphere:<\\\/strong> Vacuum, argon, nitrogen, or reducing atmosphere<\\\/li>\\n
                                                  • Temperature measurement:<\\\/strong> Pyrometer, thermocouple, or both for accurate control across all temperature ranges<\\\/li>\\n
                                                  • Automation level:<\\\/strong> Manual lab operation through fully automated production with robotic material handling<\\\/li>\\n
                                                  • Data system:<\\\/strong> Basic cycle logging, advanced SPC reporting, or cloud-based monitoring<\\\/li>\\n<\\\/ul>\\n\\n

                                                    Frequently Asked Questions<\\\/h2>\\n\\n
                                                    \\n

                                                    What is the difference between SPS and conventional hot pressing?<\\\/h3>\\n

                                                    SPS uses pulsed DC current passing directly through the die and powder compact, enabling heating rates of up to 600\\u00b0C\\\/min \\u2014 10\\u201320 times faster than conventional hot pressing. This rapid heating, combined with electromagnetic field effects and plasma activation, allows densification at lower temperatures and in much shorter cycle times while preserving fine microstructures.<\\\/p>\\n<\\\/div>\\n\\n

                                                    \\n

                                                    Can SPS handle non-conductive materials?<\\\/h3>\\n

                                                    Yes. For non-conductive ceramic powders, the graphite die itself acts as the heating element through resistive heating, while radiant heat and thermal conduction transfer heat to the sample. The pulsed current and pressure still enable faster densification than conventional methods for ceramic materials.<\\\/p>\\n<\\\/div>\\n\\n

                                                    \\n

                                                    What sample geometries are possible with SPS?<\\\/h3>\\n

                                                    Standard SPS produces simple cylindrical and rectangular shapes. With custom die designs, more complex geometries including stepped cylinders, tubes, and near-net-shape components are possible. Post-sintering machining can achieve final tolerances.<\\\/p>\\n<\\\/div>\\n\\n

                                                    \\n

                                                    Is SPS suitable for industrial mass production?<\\\/h3>\\n

                                                    Yes. HaoYue's SPS-C continuous production lines are specifically designed for high-volume industrial manufacturing. These systems automate the complete cycle \\u2014 die filling, sintering, cooling, and product ejection \\u2014 with minimal operator intervention. Multiple dies cycle through the system for continuous output.<\\\/p>\\n<\\\/div>\\n\\n

                                                    \\n

                                                    What maintenance does an SPS furnace require?<\\\/h3>\\n

                                                    Regular maintenance includes electrode and contact inspection, power supply cooling system checks, vacuum pump oil changes, and graphite die replacement (consumable item). HaoYue provides a complete maintenance schedule and spare parts kit with every SPS system.<\\\/p>\\n<\\\/div>\\n\\n

                                                    \\n

                                                    Does HaoYue offer SPS process development services?<\\\/h3>\\n

                                                    Yes. Our SPS demo lab can process customer material samples to demonstrate feasibility and develop optimized sintering recipes. This service is available before purchase commitment and continues as ongoing support for production process optimization.<\\\/p>\\n<\\\/div>\\n\\n

                                                    Contact HaoYue \\u2014 Your Trusted SPS Furnace Manufacturer<\\\/h2>\\n

                                                    Ready to explore how spark plasma sintering can transform your materials processing? Contact us for a consultation, sample processing, or equipment quotation.<\\\/p>\\n

                                                    HaoYue Group<\\\/strong><\\\/p>\\n

                                                      \\n
                                                    • Tel\\\/WhatsApp:<\\\/strong> +86-180-6810-6501<\\\/li>\\n
                                                    • Email:<\\\/strong> lyle@haoyue-group.com<\\\/li>\\n
                                                    • Website:<\\\/strong> www.vacuum-sintering.com<\\\/li>\\n
                                                    • Factory:<\\\/strong> No.1, Jufeng Industrial Park, Tongzhou District, Nantong, Jiangsu, China<\\\/li>\\n<\\\/ul>\\n\\n

                                                      \\u00a9 2026 HaoYue Group \\u2014 SPS Furnace Manufacturer<\\\/p>\\n\\n<\\\/section>\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"76b7c31\"}]},\"elements\":[],\"widgetType\":\"html\"}],\"isInner\":false}]"],"_elementor_page_settings":["a:1:{s:10:\"hide_title\";s:3:\"yes\";}"],"_botwriter_seo_score":["41"],"_botwriter_seo_report":["a:11:{s:5:\"score\";i:41;s:5:\"grade\";s:4:\"poor\";s:9:\"seo_title\";s:7:\"%title%\";s:10:\"word_count\";i:1394;s:8:\"meta_len\";i:169;s:9:\"title_len\";i:7;s:15:\"primary_keyword\";s:0:\"\";s:5:\"stats\";a:16:{s:2:\"h1\";i:1;s:2:\"h2\";i:11;s:2:\"h3\";i:13;s:2:\"h4\";i:0;s:14:\"links_internal\";i:0;s:14:\"links_external\";i:0;s:6:\"images\";i:1;s:18:\"images_missing_alt\";i:0;s:10:\"paragraphs\";i:15;s:18:\"has_featured_image\";i:1;s:9:\"faq_count\";i:0;s:11:\"faq_visible\";i:0;s:8:\"faq_mode\";s:4:\"none\";s:17:\"embedding_indexed\";i:0;s:15:\"embedding_model\";s:0:\"\";s:20:\"embedding_updated_at\";i:0;}s:6:\"checks\";a:17:{i:0;a:5:{s:2:\"id\";s:9:\"title_len\";s:5:\"label\";s:30:\"SEO title length 30\u201365 chars\";s:6:\"weight\";i:8;s:6:\"passed\";b:0;s:4:\"hint\";s:7:\"7 chars\";}i:1;a:5:{s:2:\"id\";s:13:\"title_keyword\";s:5:\"label\";s:24:\"Primary keyword in title\";s:6:\"weight\";i:8;s:6:\"passed\";b:0;s:4:\"hint\";s:14:\"No keyword set\";}i:2;a:5:{s:2:\"id\";s:12:\"meta_present\";s:5:\"label\";s:24:\"Meta description present\";s:6:\"weight\";i:6;s:6:\"passed\";b:1;s:4:\"hint\";s:0:\"\";}i:3;a:5:{s:2:\"id\";s:11:\"meta_length\";s:5:\"label\";s:31:\"Meta description 80\u2013160 chars\";s:6:\"weight\";i:6;s:6:\"passed\";b:0;s:4:\"hint\";s:9:\"169 chars\";}i:4;a:5:{s:2:\"id\";s:12:\"meta_keyword\";s:5:\"label\";s:35:\"Primary keyword in meta description\";s:6:\"weight\";i:6;s:6:\"passed\";b:0;s:4:\"hint\";s:0:\"\";}i:5;a:5:{s:2:\"id\";s:10:\"word_count\";s:5:\"label\";s:18:\"Word count \u2265 300\";s:6:\"weight\";i:8;s:6:\"passed\";b:1;s:4:\"hint\";s:10:\"1394 words\";}i:6;a:5:{s:2:\"id\";s:18:\"first_para_keyword\";s:5:\"label\";s:34:\"Primary keyword in first paragraph\";s:6:\"weight\";i:6;s:6:\"passed\";b:0;s:4:\"hint\";s:0:\"\";}i:7;a:5:{s:2:\"id\";s:10:\"h2_present\";s:5:\"label\";s:15:\"At least one H2\";s:6:\"weight\";i:6;s:6:\"passed\";b:1;s:4:\"hint\";s:5:\"h2=11\";}i:8;a:5:{s:2:\"id\";s:16:\"no_h1_in_content\";s:5:\"label\";s:24:\"No H1 inside the content\";s:6:\"weight\";i:4;s:6:\"passed\";b:0;s:4:\"hint\";s:4:\"h1=1\";}i:9;a:5:{s:2:\"id\";s:18:\"headings_hierarchy\";s:5:\"label\";s:23:\"Sub-headings used (H3+)\";s:6:\"weight\";i:4;s:6:\"passed\";b:1;s:4:\"hint\";s:0:\"\";}i:10;a:5:{s:2:\"id\";s:14:\"internal_links\";s:5:\"label\";s:26:\"At least one internal link\";s:6:\"weight\";i:8;s:6:\"passed\";b:0;s:4:\"hint\";s:10:\"0 internal\";}i:11;a:5:{s:2:\"id\";s:14:\"external_links\";s:5:\"label\";s:31:\"At least one external reference\";s:6:\"weight\";i:4;s:6:\"passed\";b:0;s:4:\"hint\";s:0:\"\";}i:12;a:5:{s:2:\"id\";s:11:\"faq_present\";s:5:\"label\";s:24:\"FAQ enrichment available\";s:6:\"weight\";i:0;s:6:\"passed\";b:0;s:4:\"hint\";s:16:\"No FAQ generated\";}i:13;a:5:{s:2:\"id\";s:14:\"images_present\";s:5:\"label\";s:22:\"Has at least one image\";s:6:\"weight\";i:4;s:6:\"passed\";b:1;s:4:\"hint\";s:0:\"\";}i:14;a:5:{s:2:\"id\";s:10:\"images_alt\";s:5:\"label\";s:24:\"All images have alt text\";s:6:\"weight\";i:6;s:6:\"passed\";b:1;s:4:\"hint\";s:13:\"0 missing alt\";}i:15;a:5:{s:2:\"id\";s:11:\"slug_length\";s:5:\"label\";s:17:\"Slug 3\u201360 chars\";s:6:\"weight\";i:4;s:6:\"passed\";b:1;s:4:\"hint\";s:8:\"24 chars\";}i:16;a:5:{s:2:\"id\";s:12:\"slug_keyword\";s:5:\"label\";s:23:\"Primary keyword in slug\";s:6:\"weight\";i:4;s:6:\"passed\";b:0;s:4:\"hint\";s:0:\"\";}}s:4:\"hash\";s:40:\"76bd2d0ceb0ac7296b159e18d0dcb769fbfc440d\";s:11:\"computed_at\";i:1780731736;}"],"_botwriter_seo_analyzed_at":["1780731736"],"_botwriter_seo_readability_score":["48"],"_botwriter_seo_readability_report":["a:9:{s:5:\"score\";i:48;s:5:\"grade\";s:4:\"poor\";s:6:\"flesch\";i:0;s:10:\"word_count\";i:1394;s:9:\"sentences\";i:36;s:10:\"paragraphs\";i:15;s:6:\"checks\";a:9:{i:0;a:6:{s:2:\"id\";s:6:\"flesch\";s:5:\"label\";s:19:\"Flesch reading ease\";s:6:\"weight\";i:10;s:6:\"status\";s:3:\"bad\";s:5:\"value\";s:5:\"0\/100\";s:4:\"hint\";s:53:\"Aim for 60+ (plain English). Lower is harder to read.\";}i:1;a:6:{s:2:\"id\";s:16:\"avg_sentence_len\";s:5:\"label\";s:23:\"Average sentence length\";s:6:\"weight\";i:8;s:6:\"status\";s:3:\"bad\";s:5:\"value\";s:10:\"38.7 words\";s:4:\"hint\";s:35:\"Keep most sentences under 20 words.\";}i:2;a:6:{s:2:\"id\";s:14:\"long_sentences\";s:5:\"label\";s:26:\"Long sentences (>20 words)\";s:6:\"weight\";i:6;s:6:\"status\";s:4:\"warn\";s:5:\"value\";s:3:\"39%\";s:4:\"hint\";s:27:\"Try to keep this under 25%.\";}i:3;a:6:{s:2:\"id\";s:15:\"long_paragraphs\";s:5:\"label\";s:28:\"Long paragraphs (>150 words)\";s:6:\"weight\";i:6;s:6:\"status\";s:4:\"good\";s:5:\"value\";s:2:\"0%\";s:4:\"hint\";s:42:\"Break long paragraphs into shorter blocks.\";}i:4;a:6:{s:2:\"id\";s:23:\"subheading_distribution\";s:5:\"label\";s:23:\"Subheading distribution\";s:6:\"weight\";i:8;s:6:\"status\";s:4:\"good\";s:5:\"value\";s:9:\"136 words\";s:4:\"hint\";s:47:\"Add an H2\/H3 every ~300 words to ease scanning.\";}i:5;a:6:{s:2:\"id\";s:16:\"transition_words\";s:5:\"label\";s:22:\"Transition words ratio\";s:6:\"weight\";i:6;s:6:\"status\";s:3:\"bad\";s:5:\"value\";s:2:\"3%\";s:4:\"hint\";s:45:\"Use transitions in at least 30% of sentences.\";}i:6;a:6:{s:2:\"id\";s:13:\"passive_voice\";s:5:\"label\";s:13:\"Passive voice\";s:6:\"weight\";i:6;s:6:\"status\";s:4:\"warn\";s:5:\"value\";s:3:\"19%\";s:4:\"hint\";s:44:\"Prefer active voice; keep passive under 10%.\";}i:7;a:6:{s:2:\"id\";s:20:\"consecutive_starters\";s:5:\"label\";s:29:\"Consecutive sentence starters\";s:6:\"weight\";i:4;s:6:\"status\";s:4:\"good\";s:5:\"value\";s:10:\"2 in a row\";s:4:\"hint\";s:25:\"Vary how sentences start.\";}i:8;a:6:{s:2:\"id\";s:10:\"word_count\";s:5:\"label\";s:10:\"Word count\";s:6:\"weight\";i:4;s:6:\"status\";s:4:\"good\";s:5:\"value\";s:10:\"1394 words\";s:4:\"hint\";s:48:\"Aim for at least 600 words for in-depth content.\";}}s:4:\"hash\";s:40:\"f1feca4fda0a21f7c5dbd4486537e8cc4116eb82\";s:11:\"computed_at\";i:1780731736;}"],"_botwriter_seo_readability_at":["1780731736"],"_thumbnail_id":["5419"],"site-post-title":["disabled"],"rank_math_title":["%title%"],"rank_math_description":["Leading SPS furnace manufacturer \u2014 spark plasma sintering systems from lab to production. Up to 2200\u00b0C, 600\u00b0C\/min heating rate. ISO 9001 certified. Global installations."],"rank_math_focus_keyword":["SPS Furnace Manufacturer"],"_uag_css_file_name":["uag-css-6813.css"],"_elementor_page_assets":["a:1:{s:7:\"scripts\";a:1:{i:0;s:18:\"elementor-frontend\";}}"],"_elementor_css":["a:6:{s:4:\"time\";i:1780905532;s:5:\"fonts\";a:0:{}s:5:\"icons\";a:0:{}s:20:\"dynamic_elements_ids\";a:0:{}s:6:\"status\";s:4:\"file\";i:0;s:0:\"\";}"],"_uag_page_assets":["a:9:{s:3:\"css\";s:260:\".uag-blocks-common-selector{z-index:var(--z-index-desktop) !important}@media(max-width: 976px){.uag-blocks-common-selector{z-index:var(--z-index-tablet) !important}}@media(max-width: 767px){.uag-blocks-common-selector{z-index:var(--z-index-mobile) !important}}\";s:2:\"js\";s:0:\"\";s:18:\"current_block_list\";a:7:{i:0;s:11:\"core\/search\";i:1;s:10:\"core\/group\";i:2;s:12:\"core\/heading\";i:3;s:17:\"core\/latest-posts\";i:4;s:20:\"core\/latest-comments\";i:5;s:13:\"core\/archives\";i:6;s:15:\"core\/categories\";}s:8:\"uag_flag\";b:0;s:11:\"uag_version\";s:10:\"1781316214\";s:6:\"gfonts\";a:0:{}s:10:\"gfonts_url\";s:0:\"\";s:12:\"gfonts_files\";a:0:{}s:14:\"uag_faq_layout\";b:0;}"]},"uagb_featured_image_src":{"full":["https:\/\/www.vacuum-sintering.com\/wp-content\/uploads\/2026\/05\/I1-2-scaled.jpg",2560,1438,false],"thumbnail":["https:\/\/www.vacuum-sintering.com\/wp-content\/uploads\/2026\/05\/I1-2-150x150.jpg",150,150,true],"medium":["https:\/\/www.vacuum-sintering.com\/wp-content\/uploads\/2026\/05\/I1-2-768x431.jpg",768,431,true],"medium_large":["https:\/\/www.vacuum-sintering.com\/wp-content\/uploads\/2026\/05\/I1-2-768x431.jpg",768,431,true],"large":["https:\/\/www.vacuum-sintering.com\/wp-content\/uploads\/2026\/05\/I1-2-1024x575.jpg",1024,575,true],"1536x1536":["https:\/\/www.vacuum-sintering.com\/wp-content\/uploads\/2026\/05\/I1-2-1536x863.jpg",1536,863,true],"2048x2048":["https:\/\/www.vacuum-sintering.com\/wp-content\/uploads\/2026\/05\/I1-2-2048x1150.jpg",2048,1150,true],"trp-custom-language-flag":["https:\/\/www.vacuum-sintering.com\/wp-content\/uploads\/2026\/05\/I1-2-18x10.jpg",18,10,true],"woocommerce_thumbnail":["https:\/\/www.vacuum-sintering.com\/wp-content\/uploads\/2026\/05\/I1-2-600x375.jpg",600,375,true],"woocommerce_single":["https:\/\/www.vacuum-sintering.com\/wp-content\/uploads\/2026\/05\/I1-2-600x337.jpg",600,337,true],"woocommerce_gallery_thumbnail":["https:\/\/www.vacuum-sintering.com\/wp-content\/uploads\/2026\/05\/I1-2-100x100.jpg",100,100,true]},"uagb_author_info":{"display_name":"JUN XU","author_link":"https:\/\/www.vacuum-sintering.com\/fr\/author\/openclaw\/"},"uagb_comment_info":0,"uagb_excerpt":"SPS Furnace Manufacturer HaoYue Group \u2014 ISO 9001 Certified SPS Furnace Manufacturer As a leading […]","_links":{"self":[{"href":"https:\/\/www.vacuum-sintering.com\/fr\/wp-json\/wp\/v2\/pages\/6813","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vacuum-sintering.com\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.vacuum-sintering.com\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.vacuum-sintering.com\/fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vacuum-sintering.com\/fr\/wp-json\/wp\/v2\/comments?post=6813"}],"version-history":[{"count":0,"href":"https:\/\/www.vacuum-sintering.com\/fr\/wp-json\/wp\/v2\/pages\/6813\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.vacuum-sintering.com\/fr\/wp-json\/wp\/v2\/media\/5419"}],"wp:attachment":[{"href":"https:\/\/www.vacuum-sintering.com\/fr\/wp-json\/wp\/v2\/media?parent=6813"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}