{"id":2456,"date":"2025-12-17T17:18:57","date_gmt":"2025-12-17T09:18:57","guid":{"rendered":"https:\/\/www.3dptek.com\/?p=2456"},"modified":"2025-12-17T17:19:03","modified_gmt":"2025-12-17T09:19:03","slug":"xibaoxinxinzhuzao5nchaogaochunlyuzhibeixiangmuhuopishanxishengzhongdianchanyelianguanjianhexinjishuchanyehuajiebangguashuaizhichi","status":"publish","type":"post","link":"https:\/\/www.3dptek.com\/fr\/news\/xibaoxinxinzhuzao5nchaogaochunlyuzhibeixiangmuhuopishanxishengzhongdianchanyelianguanjianhexinjishuchanyehuajiebangguashuaizhichi\/","title":{"rendered":"Bonne nouvelle ! Le projet de pr\u00e9paration de l'aluminium de tr\u00e8s haute puret\u00e9 5N de Xinxin Casting a \u00e9t\u00e9 approuv\u00e9 par la province de Shaanxi dans le cadre du soutien \u00e0 l'industrialisation des technologies de base de la cha\u00eene industrielle cl\u00e9 \"d\u00e9voil\u00e9e et mise en \u0153uvre\"."},"content":{"rendered":"
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R\u00e9cemment, la soci\u00e9t\u00e9, qui est une filiale de Beijing SANDI Technology Co.Wugong Xinxin Non-Ferrous Metal Casting Co.<\/a>(\"Xinxin Foundry\") et l'Universit\u00e9 de technologie de Xi'an (\"Universit\u00e9 de technologie de Xi'an\") ont conjointement d\u00e9clar\u00e9 le projet \"D\u00e9veloppement d'un \u00e9quipement de d\u00e9monstration de production d'aluminium ultra-haute puret\u00e9 5N et processus de soutien\", qui a \u00e9t\u00e9 s\u00e9lectionn\u00e9 avec succ\u00e8s comme l'un des projets industriels cl\u00e9s devant \u00eatre soutenus par la province de Shaanxi en 2025. Le projet \"Development of 5N Ultra-high-purity Aluminium Preparation Demonstration Equipment and Supporting Process\", d\u00e9clar\u00e9 conjointement par l'Universit\u00e9 de technologie de Xi'an (XUT) et l'Universit\u00e9 de technologie de Xi'an (XUIT), a \u00e9t\u00e9 s\u00e9lectionn\u00e9 avec succ\u00e8s comme l'un des projets \u00e0 soutenir par le \"Unveiling and Hanging of Commanding Officers\" pour l'industrialisation des technologies cl\u00e9s des cha\u00eenes industrielles cl\u00e9s dans la province de Shaanxi en 2025. Ce plan vise \u00e0 promouvoir l'industrialisation des technologies cl\u00e9s en ciblant et en d\u00e9ployant la recherche et le d\u00e9veloppement de technologies cl\u00e9s pour les cha\u00eenes industrielles cl\u00e9s \u00e0 court terme par la m\u00e9thode du \"d\u00e9voilement de la liste des commandants\".<\/p>\n\n\n\n

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L'aluminium de tr\u00e8s haute puret\u00e9 (puret\u00e9 \u226599,999%) est un mat\u00e9riau de base essentiel, indispensable aux domaines de fabrication haut de gamme tels que les circuits int\u00e9gr\u00e9s \u00e0 semi-conducteurs, les cellules solaires, les syst\u00e8mes de navigation a\u00e9rienne, les radars, etc. En raison des barri\u00e8res technologiques extr\u00eamement \u00e9lev\u00e9es, la technologie de pr\u00e9paration du mat\u00e9riau est depuis longtemps monopolis\u00e9e par les pays \u00e9trangers, la demande de la Chine d\u00e9pend fortement des importations, et elle est devenue un \u00e9l\u00e9ment important de la s\u00e9curit\u00e9 de la cha\u00eene industrielle.<\/p>\n\n\n\n

Le projet d\u00e9voil\u00e9 vise \u00e0 rechercher et \u00e0 d\u00e9velopper des ensembles complets de technologies de pr\u00e9paration et d'\u00e9quipements de d\u00e9monstration pour l'aluminium de tr\u00e8s haute puret\u00e9 de qualit\u00e9 sup\u00e9rieure \u00e0 5N, avec des droits de propri\u00e9t\u00e9 intellectuelle ind\u00e9pendants, dans le but de construire une ligne de production de d\u00e9monstration avec une production annuelle de 30 tonnes, et d'atteindre le niveau international avanc\u00e9 pour les indicateurs cl\u00e9s tels que la puret\u00e9 du mat\u00e9riau, la taille du produit, l'efficacit\u00e9 de la production, la consommation d'\u00e9nergie et la protection de l'environnement.<\/p>\n\n\n\n

Le projet propose un \"nouveau processus de pr\u00e9paration d'aluminium fin par couplage de champs multiples de fusion, r\u00e9gulation de la solidification et int\u00e9gration de liens multiples\", qui vise \u00e0 r\u00e9aliser la pr\u00e9paration efficace, \u00e9cologique et \u00e0 faible consommation de lingots d'aluminium ultra-haute puret\u00e9 de grand diam\u00e8tre en int\u00e9grant l'effet synergique de champs physiques multiples tels que le champ ultrasonique, le champ \u00e9lectromagn\u00e9tique, le champ de temp\u00e9rature, etc. La technologie de base du projet comporte trois innovations majeures :<\/p>\n\n\n\n

1. mettre au point des m\u00e9thodes et des \u00e9quipements de purification efficaces. R\u00e9aliser un contr\u00f4le axial \u00e0 gradient \u00e9lev\u00e9 et un contr\u00f4le radial \u00e9quilibr\u00e9 du champ de temp\u00e9rature des lingots d'aluminium de tr\u00e8s haute puret\u00e9 d'un diam\u00e8tre de 50 \u00e0 160 mm, et augmenter l'efficacit\u00e9 globale de l'\u00e9limination des impuret\u00e9s jusqu'\u00e0 80%.<\/p>\n\n\n\n

2. processus int\u00e9gr\u00e9 de couplage \u00e0 champs multiples. Remplacer techniquement la m\u00e9thode traditionnelle de l'\u00e9lectrolyse et \u00e9tablir un processus de production enti\u00e8rement automatis\u00e9 \u00e0 faible consommation d'\u00e9nergie et \u00e0 faible pollution.<\/p>\n\n\n\n

3. recherche sur les m\u00e9canismes frontaliers. R\u00e9v\u00e9lation approfondie de la loi de changement de la couche limite du solut\u00e9 sous champ magn\u00e9tique rotatif, fournissant un soutien th\u00e9orique pour l'optimisation du processus.<\/p>\n\n\n\n

Le projet est mis en \u0153uvre par Xinxin Casting en tant qu'organe principal d'industrialisation, et l'universit\u00e9 technologique de Xi'an (XUT) fournit une recherche technologique de pointe et un soutien th\u00e9orique, ce qui constitue un mod\u00e8le d'int\u00e9gration profonde entre \"l'industrie, l'universit\u00e9, la recherche et l'application\". Xinxin Casting tire pleinement parti de sa riche exp\u00e9rience et de ses capacit\u00e9s d'ing\u00e9nierie en mati\u00e8re de fonte, de moulage, d'usinage de pr\u00e9cision et d'industrialisation des m\u00e9taux non ferreux, et l'universit\u00e9 polytechnique de Xi'an forme une alliance solide avec la meilleure force de recherche scientifique en mati\u00e8re de science des mat\u00e9riaux, de th\u00e9orie de la solidification et d'autres aspects.<\/p>\n\n\n\n

En tant qu'entreprise de haute technologie sp\u00e9cialis\u00e9e dans le domaine du moulage haut de gamme et des nouveaux mat\u00e9riaux sous la banni\u00e8re de Three Emperor Technology, Xinxin Casting, s'appuyant sur le soutien strat\u00e9gique de la soci\u00e9t\u00e9 m\u00e8re en mati\u00e8re d'innovation scientifique et technologique et d'organisation industrielle, a continu\u00e9 \u00e0 accro\u00eetre ses investissements dans la recherche et le d\u00e9veloppement et a mis en place un syst\u00e8me de fabrication avanc\u00e9 couvrant l'impression de sable 3DP, l'usinage de pr\u00e9cision et les tests de processus complets, ce qui jette des bases solides pour entreprendre ce type de grands projets de recherche scientifique et technologique.<\/p>\n\n\n\n

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L'universit\u00e9 de technologie de Xi'an a accumul\u00e9 de profondes recherches scientifiques dans les domaines des mat\u00e9riaux composites et de la technologie de solidification, et ses r\u00e9sultats de recherche ont remport\u00e9 le deuxi\u00e8me prix du National Science and Technology Progress Award. La coop\u00e9ration entre les deux parties permettra de tirer pleinement parti des avantages de chacune d'elles en mati\u00e8re d'application technique et de recherche exploratoire.<\/p>\n\n\n\n

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Une fois mis en \u0153uvre avec succ\u00e8s, le projet permettra non seulement de combler \u00e0 grande \u00e9chelle le manque de pr\u00e9paration verte de l'aluminium de tr\u00e8s haute puret\u00e9, de r\u00e9pondre aux besoins urgents des industries des semi-conducteurs, des nouvelles \u00e9nergies, de l'a\u00e9rospatiale et d'autres secteurs, et d'apporter des avantages \u00e9conomiques consid\u00e9rables, mais aussi d'amener la province de Shaanxi, voire l'ensemble du pays, \u00e0 transformer en profondeur la cha\u00eene industrielle de l'aluminium, du magn\u00e9sium et de l'aluminium pour en faire une industrie haut de gamme et \u00e9cologique.<\/p>\n\n\n\n

<\/p>","protected":false},"excerpt":{"rendered":"

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