{"id":2037,"date":"2021-01-20T15:29:46","date_gmt":"2021-01-20T14:29:46","guid":{"rendered":"https:\/\/www.redhillballs.com\/?page_id=2037"},"modified":"2025-09-29T18:31:34","modified_gmt":"2025-09-29T16:31:34","slug":"billes-en-nitrure-de-silicium-si3n4","status":"publish","type":"page","link":"https:\/\/www.redhillballs.com\/fr\/produits\/billes-en-ceramique\/billes-en-nitrure-de-silicium-si3n4\/","title":{"rendered":"Billes en Nitrure de Silicium Si3N4"},"content":{"rendered":"<p><!-- FR (utiliser \u00ab Billes \u00bb) --><\/p>\n<h2>\ud83d\udee0\ufe0f <a href=\"https:\/\/en.wikipedia.org\/wiki\/Ball_%28bearing%29?utm_source=chatgpt.com\">Billes en nitrure de silicium (Si\u2083N\u2084) \u2013 composants de pr\u00e9cision haute performance<\/a><\/h2>\n<p>Les Billes en nitrure de silicium Si\u2083N\u2084, ou Billes en Nitrure de Silicium Si3N4, sont des composants avanc\u00e9s r\u00e9put\u00e9s pour leur duret\u00e9 exceptionnelle, leur faible densit\u00e9 et leur remarquable r\u00e9sistance thermique et \u00e0 l\u2019usure. Pr\u00e9cis\u00e9ment, les Billes en Nitrure de Silicium Si3N4 sont donc id\u00e9ales pour les applications exigeantes en a\u00e9rospatiale, dans les roulements hybrides et tout-c\u00e9ramique, ainsi que dans les syst\u00e8mes rotatifs \u00e0 grande vitesse.<\/p>\n<h3>\ud83d\udd27 Sp\u00e9cifications techniques cl\u00e9s<\/h3>\n<ul>\n<li><strong>Densit\u00e9<\/strong> : ~3.2\u20133.3 g\/cm\u00b3 (~40 % de l\u2019acier)<\/li>\n<li><strong>Duret\u00e9<\/strong> : &gt;2000 Knoop (\u2248 15 GPa Vickers)<\/li>\n<li><strong>R\u00e9sistance en flexion<\/strong> : ~800\u20131000 MPa<\/li>\n<li><strong>R\u00e9sistance en compression<\/strong> : ~2500\u20133000 MPa<\/li>\n<li><strong>Module d\u2019\u00e9lasticit\u00e9<\/strong> : ~310\u2013320 GPa<\/li>\n<li><strong>T\u00e9nacit\u00e9 \u00e0 la rupture (K\u2081c)<\/strong> : ~6 MPa\u00b7m\u2070\u00b7\u2075<\/li>\n<li><strong>Conductivit\u00e9 thermique<\/strong> : ~28\u201330 W\/(m\u00b7K)<\/li>\n<li><strong>Coefficient de dilatation thermique (CTE)<\/strong> : ~3\u00d710\u207b\u2076 \/K<\/li>\n<li><strong>R\u00e9sistivit\u00e9 \u00e9lectrique<\/strong> : &gt;10\u00b9\u00b2 \u03a9\u00b7cm (isolant \u00e9lectrique)<\/li>\n<li><strong>Temp\u00e9rature de service<\/strong> : jusqu\u2019\u00e0 ~1100\u20131200 \u00b0C<\/li>\n<li><strong>Grades<\/strong> : ISO \/ ABMA G1\u2013G60<\/li>\n<li><strong>Plage de diam\u00e8tres<\/strong> : 0.5 mm \u2013 50 mm<\/li>\n<\/ul>\n<h3>\u2705 Avantages<\/h3>\n<ul>\n<li><strong>Faible densit\u00e9 &amp; force centrifuge r\u00e9duite<\/strong> \u2013 plus l\u00e9g\u00e8res que l\u2019acier, les Billes en Nitrure de Silicium Si3N4 permettent des vitesses plus \u00e9lev\u00e9es et des pertes d\u2019\u00e9nergie moindres.<\/li>\n<li><strong>Duret\u00e9 exceptionnelle &amp; r\u00e9sistance \u00e0 l\u2019usure<\/strong> \u2013 assure une longue dur\u00e9e de vie en conditions s\u00e9v\u00e8res.<\/li>\n<li><strong>Haute stabilit\u00e9 thermique &amp; faible dilatation<\/strong> \u2013 conserve son int\u00e9grit\u00e9 lors de variations extr\u00eames de temp\u00e9rature.<\/li>\n<li><strong>Isolation \u00e9lectrique &amp; non-magn\u00e9tiques<\/strong> \u2013 s\u00fbres \u00e0 proximit\u00e9 des moteurs, capteurs et champs magn\u00e9tiques.<\/li>\n<li><strong>Grande t\u00e9nacit\u00e9 \u00e0 la rupture<\/strong> \u2013 excellente r\u00e9sistance aux chocs m\u00e9caniques.<\/li>\n<li><strong>Dur\u00e9e de vie prolong\u00e9e<\/strong> \u2013 le faible frottement r\u00e9duit le besoin de lubrification et la maintenance.<\/li>\n<\/ul>\n<h3>\ud83d\udd04 Applications des Billes en nitrure de silicium<\/h3>\n<p>Les Billes Si\u2083N\u2084 sont largement utilis\u00e9es dans des applications hautes performances, notamment pour les Billes en Nitrure de Silicium Si3N4. Ce mat\u00e9riau est crucial dans divers secteurs.<\/p>\n<ul>\n<li><strong>Roulements hybrides et tout-c\u00e9ramique<\/strong> \u2013 pour plateformes rotatives \u00e0 grande vitesse et faible friction.<\/li>\n<li><strong>Moteurs et turbines a\u00e9ronautiques<\/strong> \u2013 \u00e9prouv\u00e9es dans les syst\u00e8mes critiques de propulsion et de commande.<\/li>\n<li><strong>V\u00e9hicules \u00e9lectriques et moteurs<\/strong> \u2013 isolation et durabilit\u00e9 dans les syst\u00e8mes de traction.<\/li>\n<li><strong>G\u00e9n\u00e9rateurs d\u2019\u00e9oliennes<\/strong> \u2013 fiabilit\u00e9 \u00e0 long terme sous fortes charges dynamiques.<\/li>\n<li><strong>\u00c9quipements pour semiconducteurs et m\u00e9dical<\/strong> \u2013 propri\u00e9t\u00e9s di\u00e9lectriques et non magn\u00e9tiques pour syst\u00e8mes sensibles.<\/li>\n<li><strong>Outils industriels &amp; machines haute temp\u00e9rature<\/strong> \u2013 r\u00e9sistantes \u00e0 la chaleur, aux produits chimiques et \u00e0 l\u2019usure.<\/li>\n<\/ul>\n<h3>\ud83d\udce6 Grades &amp; tailles disponibles<\/h3>\n<p>Les Billes en nitrure de silicium sont propos\u00e9es en plusieurs grades de pr\u00e9cision et tailles pour r\u00e9pondre \u00e0 des exigences vari\u00e9es. Les Billes en Nitrure de Silicium Si3N4 offrent cette polyvalence essentielle.<\/p>\n<ul>\n<li><a href=\"https:\/\/www.redhillballs.com\/company\/precision-grades\/\"><strong>Grades<\/strong> : G1, G5, G10, jusqu\u2019\u00e0 G60<\/a><\/li>\n<li><strong>Plage de diam\u00e8tres<\/strong> : 0.5 mm \u2013 50 mm<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\ud83d\udee0\ufe0f Billes en nitrure de silicium (Si\u2083N\u2084) \u2013 composants de pr\u00e9cision haute performance Les Billes en nitrure de silicium Si\u2083N\u2084, ou Billes en Nitrure de Silicium Si3N4, sont des composants avanc\u00e9s r\u00e9put\u00e9s pour leur duret\u00e9 exceptionnelle, leur faible densit\u00e9 et leur remarquable r\u00e9sistance thermique et \u00e0 l\u2019usure. Pr\u00e9cis\u00e9ment, les Billes en Nitrure de Silicium Si3N4 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8940,"parent":2035,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2037","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.8 (Yoast SEO v28.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Billes en Nitrure de Silicium Si3N4 \u2013 L\u00e9g\u00e8ret\u00e9 et haute performance<\/title>\n<meta name=\"description\" content=\"Billes en Nitrure de Silicium Si3N4 : l\u00e9g\u00e8res, dures et anticorrosion, id\u00e9ales pour roulements haute vitesse et m\u00e9canique de pr\u00e9cision\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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