{"id":144,"count":0,"description":"<div>\r\n<div style=\"float: right\"><img class=\"\" src=\"\/wp-content\/uploads\/2025\/02\/b041b0566910a38cfe96.png\" alt=\"Black Silicon Nitride\" width=\"348\" height=\"348\" \/>\r\n<span style=\"text-align: center;line-height: 30px\">Black Silicon Nitride<\/span><\/div>\r\n<strong data-start=\"4\" data-end=\"99\">C\u00e9ramiques \u00e0 base de nitrure de silicium : Types, propri\u00e9t\u00e9s et applications des mat\u00e9riaux \u00e0 base de nitrure avanc\u00e9<\/strong>\r\nLes c\u00e9ramiques \u00e0 base de nitrure de silicium sont des c\u00e9ramiques avanc\u00e9es compos\u00e9es principalement de nitrures, avec deux formes cristallines principales : le nitrure de silicium \u03b1 et le nitrure de silicium \u03b2. En fonction du processus de frittage, on distingue le nitrure de silicium press\u00e9 \u00e0 chaud et le nitrure de silicium li\u00e9 par r\u00e9action.\r\n\r\n<\/div>\r\n<a class=\"pro-detail-btn\" style=\"margin-left: 0px\" href=\" \">Contactez-nous&lt;\/a&gt;<\/a>\r\n<h4 style=\"text-align: left\"><strong>Proc\u00e9d\u00e9s de frittage <\/strong><\/h4>\r\nNitrure de silicium press\u00e9 \u00e0 chaud\r\n<div style=\"float: right\"><img class=\"\" src=\"\/wp-content\/uploads\/2025\/07\/aa6dcf8a3751e04b9ad3.jpg\" alt=\"Gray Silicon Nitride\" width=\"348\" height=\"348\" \/>\r\n<span style=\"text-align: center;line-height: 30px\">Gray Silicon Nitride<\/span><\/div>\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul>\r\n \t<li>Ce type de produit est fabriqu\u00e9 en pressant de la poudre de nitrure de silicium dans un moule et en la frittant \u00e0 1700\u00b0C sous une pression de 20-30 MPa.<\/li>\r\n \t<li>Il produit des c\u00e9ramiques denses, sans pores, avec une r\u00e9sistance \u00e0 la flexion et une t\u00e9nacit\u00e9 excellentes.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\nNitrure de silicium li\u00e9 par r\u00e9action\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul>\r\n \t<li>Elle commence par de la poudre de silicium (Si) ou de nitrure de silicium (Si\u2083N\u2084), qui est mise en forme puis chauff\u00e9e dans une atmosph\u00e8re riche en azote pour former du nitrure de silicium (Si + N\u2082 \u2192 Si\u2083N\u2084).<\/li>\r\n \t<li>Les produits finaux ont des dimensions tr\u00e8s pr\u00e9cises mais pr\u00e9sentent une porosit\u00e9 20%-30% qui les rend moins solides, moins durs et moins r\u00e9sistants que le nitrure de silicium press\u00e9 \u00e0 chaud.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\nParmi toutes les c\u00e9ramiques, le nitrure de silicium offre la meilleure r\u00e9sistance aux chocs thermiques.\r\n<h4><strong>\r\n<\/strong><strong>Caract\u00e9ristiques principales<\/strong><strong>\u00a0de <\/strong><strong>Nitrure de silicium<\/strong><strong>\u00a0C\u00e9ramique<\/strong><\/h4>\r\n<ul>\r\n \t<li>Excellente autolubrification et r\u00e9sistance \u00e0 l'usure<\/li>\r\n \t<li>Faible coefficient de dilatation thermique<\/li>\r\n \t<li>R\u00e9sistance exceptionnelle aux chocs thermiques<\/li>\r\n \t<li>Duret\u00e9 \u00e9lev\u00e9e et faible coefficient de frottement (0,1-0,2)<\/li>\r\n \t<li>Bonne stabilit\u00e9 chimique et bonne isolation \u00e9lectrique<\/li>\r\n<\/ul>\r\n<ul>\r\n \t<li style=\"list-style-type: none\"><\/li>\r\n<\/ul>\r\nTableau des propri\u00e9t\u00e9s de la c\u00e9ramique de nitrure de silicium\r\n<table border=\"1\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\">\r\n<tbody>\r\n<tr>\r\n<td align=\"center\" width=\"251\" height=\"35\">Propri\u00e9t\u00e9<\/td>\r\n<td align=\"center\" width=\"157\" height=\"35\">Unit\u00e9s<\/td>\r\n<td align=\"center\" width=\"153\" height=\"35\">Nitrure de silicium (Si\u2083N\u2084)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td align=\"center\" width=\"251\" height=\"35\">G\u00e9n\u00e9ral<\/td>\r\n<td align=\"center\" width=\"157\" height=\"35\"><\/td>\r\n<td align=\"center\" width=\"153\" height=\"35\"><\/td>\r\n<\/tr>\r\n<tr>\r\n<td align=\"center\" width=\"251\" height=\"35\">Couleur<\/td>\r\n<td align=\"center\" width=\"157\" height=\"35\">-<\/td>\r\n<td align=\"center\" width=\"153\" height=\"35\">Noir<\/td>\r\n<\/tr>\r\n<tr>\r\n<td align=\"center\" width=\"251\" height=\"35\">Perm\u00e9abilit\u00e9 au gaz<\/td>\r\n<td align=\"center\" width=\"157\" height=\"35\">atms-cc\/sec<\/td>\r\n<td align=\"center\" width=\"153\" height=\"35\">Etanch\u00e9it\u00e9 au gaz &lt; 10-\u00b9\u2070<\/td>\r\n<\/tr>\r\n<tr>\r\n<td align=\"center\" width=\"251\" height=\"35\">Absorption de l'eau<\/td>\r\n<td align=\"center\" width=\"157\" height=\"35\">%<\/td>\r\n<td align=\"center\" width=\"153\" height=\"35\">0<\/td>\r\n<\/tr>\r\n<tr>\r\n<td align=\"center\" width=\"251\" height=\"35\">Densit\u00e9<\/td>\r\n<td align=\"center\" width=\"157\" height=\"35\">g\/cm\u00b3<\/td>\r\n<td align=\"center\" width=\"153\" height=\"35\">3.20<\/td>\r\n<\/tr>\r\n<tr>\r\n<td align=\"center\" width=\"251\" height=\"35\"><\/td>\r\n<td align=\"center\" width=\"157\" height=\"35\"><\/td>\r\n<td align=\"center\" width=\"153\" height=\"35\"><\/td>\r\n<\/tr>\r\n<tr>\r\n<td align=\"center\" width=\"251\" height=\"35\">Propri\u00e9t\u00e9s m\u00e9caniques<\/td>\r\n<td align=\"center\" width=\"157\" height=\"35\"><\/td>\r\n<td align=\"center\" width=\"153\" height=\"35\"><\/td>\r\n<\/tr>\r\n<tr>\r\n<td align=\"center\" width=\"251\" height=\"35\">Duret\u00e9 Vickers \uff08500 g\uff09<\/td>\r\n<td align=\"center\" width=\"157\" height=\"35\">GPa (kg\/mm\u00b2)<\/td>\r\n<td align=\"center\" width=\"153\" height=\"35\">15 (1529)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td align=\"center\" width=\"251\" height=\"35\">Duret\u00e9 (R45N)<\/td>\r\n<td align=\"center\" width=\"157\" height=\"35\">-<\/td>\r\n<td align=\"center\" width=\"153\" height=\"35\">83<\/td>\r\n<\/tr>\r\n<tr>\r\n<td align=\"center\" width=\"251\" height=\"35\">R\u00e9sistance \u00e0 la rupture\uff08 Poutre entaill\u00e9e\uff09<\/td>\r\n<td align=\"center\" width=\"157\" height=\"35\">MPa-m\u00b9\/\u00b2<\/td>\r\n<td align=\"center\" width=\"153\" height=\"35\">6<\/td>\r\n<\/tr>\r\n<tr>\r\n<td align=\"center\" width=\"251\" height=\"35\">R\u00e9sistance \u00e0 la flexion (MOR)<\/td>\r\n<td align=\"center\" width=\"157\" height=\"35\">MPa (psi x 10\u00b3)<\/td>\r\n<td align=\"center\" width=\"153\" height=\"35\">900 (130)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td align=\"center\" width=\"251\" height=\"35\">R\u00e9sistance \u00e0 la traction @ RT<\/td>\r\n<td align=\"center\" width=\"157\" height=\"35\">MPa (psi x 10\u00b3)<\/td>\r\n<td align=\"center\" width=\"153\" height=\"35\">537 (78)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td align=\"center\" width=\"251\" height=\"35\">R\u00e9sistance \u00e0 la compression @ RT<\/td>\r\n<td align=\"center\" width=\"157\" height=\"35\">MPa (psi x 10\u00b3)<\/td>\r\n<td align=\"center\" width=\"153\" height=\"35\">2500 (362)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td align=\"center\" width=\"251\" height=\"35\">Module d'\u00e9lasticit\u00e9<\/td>\r\n<td align=\"center\" width=\"157\" height=\"35\">GPa (psi x 10\u2076)<\/td>\r\n<td align=\"center\" width=\"153\" height=\"35\">300 (44)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td align=\"center\" width=\"251\" height=\"35\">Rapport de Poisson<\/td>\r\n<td align=\"center\" width=\"157\" height=\"35\">-<\/td>\r\n<td align=\"center\" width=\"153\" height=\"35\">0.28<\/td>\r\n<\/tr>\r\n<tr>\r\n<td align=\"center\" width=\"251\" height=\"35\"><\/td>\r\n<td align=\"center\" width=\"157\" height=\"35\"><\/td>\r\n<td align=\"center\" width=\"153\" height=\"35\"><\/td>\r\n<\/tr>\r\n<tr>\r\n<td align=\"center\" width=\"251\" height=\"35\">Propri\u00e9t\u00e9s thermiques<\/td>\r\n<td align=\"center\" width=\"157\" height=\"35\"><\/td>\r\n<td align=\"center\" width=\"153\" height=\"35\"><\/td>\r\n<\/tr>\r\n<tr>\r\n<td align=\"center\" width=\"251\" height=\"35\">C.T.E. (25 - 600\u00b0C)<\/td>\r\n<td align=\"center\" width=\"157\" height=\"35\">x 10-\u2076\/\u00b0C<\/td>\r\n<td align=\"center\" width=\"153\" height=\"35\">2.9<\/td>\r\n<\/tr>\r\n<tr>\r\n<td align=\"center\" width=\"251\" height=\"35\">Conductivit\u00e9 thermique @ RT<\/td>\r\n<td align=\"center\" width=\"157\" height=\"35\">W\/m-K<\/td>\r\n<td align=\"center\" width=\"153\" height=\"35\">29<\/td>\r\n<\/tr>\r\n<tr>\r\n<td align=\"center\" width=\"251\" height=\"35\">Temp\u00e9rature maximale d'utilisation<\/td>\r\n<td align=\"center\" width=\"157\" height=\"35\">Fahrenheit (\u00b0F)<\/td>\r\n<td align=\"center\" width=\"153\" height=\"35\">2462<\/td>\r\n<\/tr>\r\n<tr>\r\n<td align=\"center\" width=\"251\" height=\"35\">Temp\u00e9rature maximale d'utilisation<\/td>\r\n<td align=\"center\" width=\"157\" height=\"35\">Celsius (\u00b0C)<\/td>\r\n<td align=\"center\" width=\"153\" height=\"35\">1350<\/td>\r\n<\/tr>\r\n<tr>\r\n<td align=\"center\" width=\"251\" height=\"35\"><\/td>\r\n<td align=\"center\" width=\"157\" height=\"35\"><\/td>\r\n<td align=\"center\" width=\"153\" height=\"35\"><\/td>\r\n<\/tr>\r\n<tr>\r\n<td align=\"center\" width=\"251\" height=\"35\">Propri\u00e9t\u00e9s \u00e9lectriques<\/td>\r\n<td align=\"center\" width=\"157\" height=\"35\"><\/td>\r\n<td align=\"center\" width=\"153\" height=\"35\"><\/td>\r\n<\/tr>\r\n<tr>\r\n<td align=\"center\" width=\"251\" height=\"35\">Rigidit\u00e9 di\u00e9lectrique<\/td>\r\n<td align=\"center\" width=\"157\" height=\"35\">V\/mil<\/td>\r\n<td align=\"center\" width=\"153\" height=\"35\">300<\/td>\r\n<\/tr>\r\n<tr>\r\n<td align=\"center\" width=\"251\" height=\"35\">Constante di\u00e9lectrique \u00e0 1 MHz<\/td>\r\n<td align=\"center\" width=\"157\" height=\"35\">-<\/td>\r\n<td align=\"center\" width=\"153\" height=\"35\">9.1<\/td>\r\n<\/tr>\r\n<tr>\r\n<td align=\"center\" width=\"251\" height=\"35\">R\u00e9sistivit\u00e9 volumique, 25\u00b0C<\/td>\r\n<td align=\"center\" width=\"157\" height=\"35\">ohms-cm<\/td>\r\n<td align=\"center\" width=\"153\" height=\"35\">&gt; 10\u00b9\u2074<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n*The values represent typical material properties and may vary depending on product configuration and the manufacturing process,\r\nFor further information, do not hesitate to <a href=\"https:\/\/weiert-ceramics.com\/fr\/contact\/\">nous contacter<\/a>.","link":"https:\/\/weiert-ceramics.com\/fr\/materials\/silicon-nitride-ceramic-si3n4\/","name":"C\u00e9ramique en nitrure de silicium (Si\u2083N\u2084)","slug":"silicon-nitride-ceramic-si3n4","taxonomy":"category","parent":111,"meta":[],"acf":[],"z_taxonomy_image_url":"https:\/\/weiert-ceramics.com\/wp-content\/uploads\/2025\/02\/b041b0566910a38cfe96.png","yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.1 (Yoast SEO v27.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Silicon Nitride Ceramic: Types and Uses - Weiert Ceramics Technology Co., Ltd.<\/title>\n<meta name=\"description\" content=\"Discover the types and properties of Silicon Nitride Ceramic, Si3N4. 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