{"id":80357,"date":"2026-03-13T15:01:49","date_gmt":"2026-03-13T14:01:49","guid":{"rendered":"https:\/\/www.he-arc.ch\/?post_type=he-arc_work&p=80357"},"modified":"2026-03-18T10:10:49","modified_gmt":"2026-03-18T09:10:49","slug":"grob-joan","status":"publish","type":"he-arc_work","link":"https:\/\/www.he-arc.ch\/en\/projets-etudiants\/grob-joan\/","title":{"rendered":"GROB Joan"},"content":{"rendered":"\n

Dans le secteur des dispositifs m\u00e9dicaux implantables, l’assemblage herm\u00e9tique entre des c\u00e9ramiques (zircone, alumine) et des bo\u00eetiers en titane est un enjeu technologique majeur, notamment pour int\u00e9grer des fonctions de recharge par induction.<\/p>\n\n\n\n

Ce travail visait \u00e0 d\u00e9velopper et valider un proc\u00e9d\u00e9 de brasage robuste et biocompatible, capable de surmonter les d\u00e9fis li\u00e9s aux incompatibilit\u00e9s thermiques et chimiques des mat\u00e9riaux.<\/p>\n\n\n\n

Deux strat\u00e9gies ont \u00e9t\u00e9 \u00e9tudi\u00e9es. Les assemblages ont \u00e9t\u00e9 caract\u00e9ris\u00e9s par des tests d’herm\u00e9ticit\u00e9 \u00e0 l’h\u00e9lium, des essais m\u00e9caniques de compression et des mesures de corrosion.<\/p>\n\n\n\n

Les r\u00e9sultats ont montr\u00e9 que le brasage actif permet d\u2019obtenir des performances sup\u00e9rieures \u00e0 celles du brasage non-actif : il produit des joints parfaitement herm\u00e9tiques et une r\u00e9sistance m\u00e9canique \u00e9lev\u00e9e. Il a donc \u00e9t\u00e9 valid\u00e9 comme une solution performante pour des composants internes encapsul\u00e9s, ouvrant la voie \u00e0 des optimisations futures.<\/p>\n\n\n\n

<\/p>\n\n\n\n

Poster du travail de bachelor de Joan Grob<\/a><\/p>\n\n\n\n

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