{"id":20859,"date":"2017-03-29T11:49:00","date_gmt":"2017-03-29T11:49:00","guid":{"rendered":"https:\/\/www.he-arc.ch\/projets-recherche\/tisic\/"},"modified":"2022-10-04T09:35:42","modified_gmt":"2022-10-04T08:35:42","slug":"tisic","status":"publish","type":"he-arc_project","link":"https:\/\/www.he-arc.ch\/en\/projets-recherche\/tisic\/","title":{"rendered":"TiSiC"},"content":{"rendered":"\n

Contexte et enjeux<\/h2>\n\n\n\n

Le d\u00e9veloppement in\u00e9dit du rev\u00eatement TiSiC provient de l’utilisation d’un mat\u00e9riau totalement innovant. Son fort potentiel pour la lubrification \u00e0 sec dans le domaine microtechnique ayant \u00e9t\u00e9 clairement d\u00e9montr\u00e9, ce rev\u00eatement permet de diminuer l\u2019usure de certains composants soumis \u00e0 des sollicitations \u00e9lev\u00e9es de contacts hertziens.<\/p>\n\n\n\n

Objectifs<\/h2>\n\n\n\n

Offrir une alternative tribologique aux traitements DLC (Diamond-like-carbon) dans l\u2019univers de la microtechnique. Pour des raisons industrielles, le proc\u00e9d\u00e9 PVD ne comprend pas de gaz r\u00e9actif et le comportement tribologique du rev\u00eatement n’est pas influenc\u00e9 par des facteurs environnementaux tels que le taux d’humidit\u00e9 relative.<\/p>\n\n\n\n

Partenaires et financement<\/h2>\n\n\n\n

Haute Ecole d’Ing\u00e9nierie Valais<\/a><\/p>\n\n\n\n

Iwate University (Japan)<\/a><\/p>\n\n\n\n

Financ\u00e9 par la HES-SO (r\u00e9seau de comp\u00e9tences MACHOP)<\/a><\/p>\n\n\n\n

R\u00e9sultats<\/h2>\n\n\n\n

Le traitement TiSiC est un rev\u00eatement tribologique destin\u00e9 principalement aux micro-m\u00e9canismes. Combinant des propri\u00e9t\u00e9s g\u00e9n\u00e9ralement antagonistes, il pr\u00e9sente un coefficient de frottement faible et une duret\u00e9 \u00e9lev\u00e9e. Il peut s’appliquer sur la plupart des m\u00e9taux et alliages et il a donn\u00e9 des r\u00e9sultats encourageant dans des applications aussi diverses que l\u2019\u00e9tampage ou la connectique.<\/p>\n\n\n\n

Valorisation<\/h2>\n\n\n\n

Actuellement, plusieurs manufactures horlog\u00e8res font appel r\u00e9guli\u00e8rement \u00e0 ce traitement sp\u00e9cifique pour am\u00e9liorer la fonctionnalit\u00e9 de leurs m\u00e9canismes.<\/p>\n\n\n\n

Chef de projet<\/h2>\n\n\n\n
\n
\n
\n Raymond Constantin\n <\/div>\n
\n +41 32 930 13 75<\/a>\n <\/div>\n
\n Raymond.Constantin@he-arc.ch<\/a>\n <\/div>\n <\/div>\n<\/div>\n\n\n

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