{"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\">Cer\u00e2micas de nitreto de sil\u00edcio: tipos, propriedades e aplica\u00e7\u00f5es de materiais avan\u00e7ados de nitreto<\/strong>\r\nCer\u00e2micas de nitreto de sil\u00edcio s\u00e3o cer\u00e2micas avan\u00e7adas compostas principalmente de nitretos, com duas formas cristalinas principais: nitreto de sil\u00edcio \u03b1 e nitreto de sil\u00edcio \u03b2. Dependendo do processo de sinteriza\u00e7\u00e3o, s\u00e3o categorizadas em nitreto de sil\u00edcio prensado a quente e nitreto de sil\u00edcio ligado por rea\u00e7\u00e3o.\r\n\r\n<\/div>\r\n<a class=\"pro-detail-btn\" style=\"margin-left: 0px\" href=\" \">Entre em contato&lt;\/a&gt;<\/a>\r\n<h4 style=\"text-align: left\"><strong>Processos de Sinteriza\u00e7\u00e3o <\/strong><\/h4>\r\nNitreto de sil\u00edcio prensado a quente\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>Este tipo \u00e9 feito pressionando p\u00f3 de nitreto de sil\u00edcio em um molde e sinterizando-o a 1700\u00b0C sob press\u00e3o de 20-30 MPa.<\/li>\r\n \t<li>Produz cer\u00e2micas densas e sem poros, com excelente resist\u00eancia \u00e0 flex\u00e3o e tenacidade.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\nNitreto de sil\u00edcio ligado por rea\u00e7\u00e3o\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul>\r\n \t<li>Come\u00e7a com p\u00f3 de sil\u00edcio (Si) ou nitreto de sil\u00edcio (Si\u2083N\u2084), que \u00e9 moldado e ent\u00e3o aquecido em uma atmosfera rica em nitrog\u00eanio para formar nitreto de sil\u00edcio (Si + N\u2082 \u2192 Si\u2083N\u2084).<\/li>\r\n \t<li>Os produtos finais s\u00e3o altamente precisos em termos de dimens\u00f5es, mas cont\u00eam 20% a 30% de porosidade, o que os torna menos fortes, duros e tenazes em compara\u00e7\u00e3o ao nitreto de sil\u00edcio prensado a quente.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\nEntre todas as cer\u00e2micas, o nitreto de sil\u00edcio oferece a melhor resist\u00eancia ao choque t\u00e9rmico.\r\n<h4><strong>\r\n<\/strong><strong>Principais Caracter\u00edsticas<\/strong><strong>\u00a0de <\/strong><strong>Nitreto de sil\u00edcio<\/strong><strong>\u00a0Cer\u00e2mico<\/strong><\/h4>\r\n<ul>\r\n \t<li>Excelente autolubrifica\u00e7\u00e3o e resist\u00eancia ao desgaste<\/li>\r\n \t<li>Baixo coeficiente de expans\u00e3o t\u00e9rmica<\/li>\r\n \t<li>Excelente resist\u00eancia ao choque t\u00e9rmico<\/li>\r\n \t<li>Alta dureza e baixo coeficiente de atrito (0,1-0,2)<\/li>\r\n \t<li>Boa estabilidade qu\u00edmica e isolamento el\u00e9trico<\/li>\r\n<\/ul>\r\n<ul>\r\n \t<li style=\"list-style-type: none\"><\/li>\r\n<\/ul>\r\nTabela de propriedades da cer\u00e2mica de nitreto de sil\u00edcio\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\">Propriedade<\/td>\r\n<td align=\"center\" width=\"157\" height=\"35\">Unidades<\/td>\r\n<td align=\"center\" width=\"153\" height=\"35\">Nitreto de sil\u00edcio (Si\u2083N\u2084)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td align=\"center\" width=\"251\" height=\"35\">Em geral<\/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\">Cor<\/td>\r\n<td align=\"center\" width=\"157\" height=\"35\">\u2014<\/td>\r\n<td align=\"center\" width=\"153\" height=\"35\">Black<\/td>\r\n<\/tr>\r\n<tr>\r\n<td align=\"center\" width=\"251\" height=\"35\">Permeabilidade a gases<\/td>\r\n<td align=\"center\" width=\"157\" height=\"35\">atms-cc\/sec<\/td>\r\n<td align=\"center\" width=\"153\" height=\"35\">Estanque ao g\u00e1s &lt; 10\u207b\u00b9\u2070<\/td>\r\n<\/tr>\r\n<tr>\r\n<td align=\"center\" width=\"251\" height=\"35\">Absor\u00e7\u00e3o de \u00e1gua<\/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\">Densidade<\/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\">Propriedades mec\u00e2nicas<\/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\">Dureza 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\">Dureza (R45N)<\/td>\r\n<td align=\"center\" width=\"157\" height=\"35\">\u2014<\/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\">Tenacidade \u00e0 fratura (viga entalhada)<\/td>\r\n<td align=\"center\" width=\"157\" height=\"35\">MPa\u00b7m\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\">Resist\u00eancia \u00e0 flex\u00e3o (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\">Resist\u00eancia \u00e0 Tra\u00e7\u00e3o @ 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\">Resist\u00eancia \u00e0 compress\u00e3o @ 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\">M\u00f3dulo de elasticidade<\/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\">Raz\u00e3o de Poisson<\/td>\r\n<td align=\"center\" width=\"157\" height=\"35\">\u2014<\/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\">Propriedades t\u00e9rmicas<\/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 \u2013 600\u00b0C)<\/td>\r\n<td align=\"center\" width=\"157\" height=\"35\">x 10\u207b\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\">Condutividade t\u00e9rmica \u00e0 temperatura ambiente<\/td>\r\n<td align=\"center\" width=\"157\" height=\"35\">W\/m\u00b7K<\/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\">Temperatura m\u00e1xima de uso<\/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\">Temperatura m\u00e1xima de uso<\/td>\r\n<td align=\"center\" width=\"157\" height=\"35\">Fahrenheit (\u00b0F)<\/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\">Propriedades el\u00e9tricas<\/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\">Rigidez Diel\u00e9trica<\/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 Diel\u00e9trica @ 1 MHz<\/td>\r\n<td align=\"center\" width=\"157\" height=\"35\">\u2014<\/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\">Resistividade volum\u00e9trica, 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\/pt\/contact\/\">Contate-nos<\/a>.","link":"https:\/\/weiert-ceramics.com\/pt\/materials\/silicon-nitride-ceramic-si3n4\/","name":"Cer\u00e2mica de nitreto de sil\u00edcio (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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