{"id":80449,"date":"2026-03-16T14:51:09","date_gmt":"2026-03-16T13:51:09","guid":{"rendered":"https:\/\/www.he-arc.ch\/?post_type=he-arc_work&#038;p=80449"},"modified":"2026-03-18T10:25:06","modified_gmt":"2026-03-18T09:25:06","slug":"telley-yann","status":"publish","type":"he-arc_work","link":"https:\/\/www.he-arc.ch\/en\/projets-etudiants\/telley-yann\/","title":{"rendered":"TELLEY Yann"},"content":{"rendered":"\n<p>Ce travail de bachelor s\u2019inscrivait dans le contexte de la fabrication additive par fusion s\u00e9lective par laser (SLM) appliqu\u00e9e aux alliages cuivreux. Ces mat\u00e9riaux pr\u00e9sentent un fort potentiel dans les domaines biom\u00e9dicaux et industriels, mais leur qualit\u00e9 de surface brute est insuffisante pour des applications exigeantes.<\/p>\n\n\n\n<p>L\u2019objectif du projet \u00e9tait d\u2019\u00e9valuer la faisabilit\u00e9 d\u2019un proc\u00e9d\u00e9 d\u2019\u00e9lectropolissage utilisant des solvants eutectiques profonds (DES), en particulier l\u2019\u00e9thaline et la r\u00e9line, comme alternatives plus durables aux \u00e9lectrolytes classiques.<\/p>\n\n\n\n<p>La d\u00e9marche exp\u00e9rimentale a consist\u00e9 \u00e0 r\u00e9aliser des mesures de polarisation sur diff\u00e9rents alliages (Cu, CuSn, CuCr1Zr, laiton), en faisant varier la temp\u00e9rature, l\u2019agitation et l\u2019\u00e9tat de surface, puis \u00e0 analyser l\u2019\u00e9volution de la rugosit\u00e9 et de la composition de surface par microscopie confocale, MEB et EDS.<\/p>\n\n\n\n<p>Les r\u00e9sultats ont montr\u00e9 que l\u2019augmentation de la temp\u00e9rature et une agitation \u00e9lev\u00e9e favorisent des densit\u00e9s de courant stables et \u00e9lev\u00e9es, conditions favorables \u00e0 l\u2019\u00e9lectropolissage.<\/p>\n\n\n\n<p>Cependant, l\u2019absence de plateau clair de diffusion et la s\u00e9lectivit\u00e9 de dissolution selon l\u2019alliage ne permettent pas encore de d\u00e9finir une fen\u00eatre optimale de proc\u00e9d\u00e9.<\/p>\n\n\n\n<p>Les perspectives incluent la mise en place de mesures chronopotentiom\u00e9triques, un contr\u00f4le pr\u00e9cis de la composition des bains et l\u2019\u00e9tude de la biocompatibilit\u00e9 en vue d\u2019applications m\u00e9dicales.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><a href=\"https:\/\/www.he-arc.ch\/wp-content\/uploads\/2026\/03\/25MIC-TB471_Telley_Yann.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Poster du travail de bachelor de Yann Telley<\/a><\/p>\n\n\n\n<div id='gallery-1' class='gallery galleryid-80449 gallery-columns-3 gallery-size-thumbnail'><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/www.he-arc.ch\/en\/25mic-tb471_telley_yann-2-2\/'><img decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.he-arc.ch\/wp-content\/uploads\/2026\/03\/25MIC-TB471_Telley_Yann-150x150.png\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/www.he-arc.ch\/en\/25mic-tb471_telley_yann2-2\/'><img decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.he-arc.ch\/wp-content\/uploads\/2026\/03\/25MIC-TB471_Telley_Yann2-150x150.png\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" \/><\/a>\n\t\t\t<\/div><\/figure>\n\t\t<\/div>\n\n","protected":false},"author":63,"featured_media":79887,"template":"","he-arc_domain":[3],"he-arc_training_branch":[50],"he-arc_training_orientation":[57],"he-arc_training_level":[58],"he-arc_project_year":[111],"class_list":["post-80449","he-arc_work","type-he-arc_work","status-publish","has-post-thumbnail","hentry","he-arc_domain-ingenierie","he-arc_training_branch-microtechniques","he-arc_training_orientation-ingenierie-biomedicale","he-arc_training_level-travail-de-bachelor","he-arc_project_year-111"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>TELLEY Yann - Haute-Ecole Arc<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.he-arc.ch\/en\/projets-etudiants\/telley-yann\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"TELLEY Yann - Haute-Ecole Arc\" \/>\n<meta property=\"og:description\" content=\"Ce travail de bachelor s\u2019inscrivait dans le contexte de la fabrication additive par fusion s\u00e9lective par laser (SLM) appliqu\u00e9e aux alliages cuivreux. 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