{"id":552,"date":"2022-12-20T22:15:37","date_gmt":"2022-12-20T14:15:37","guid":{"rendered":"https:\/\/siliconcarbide.net\/?p=552"},"modified":"2022-12-20T22:36:50","modified_gmt":"2022-12-20T14:36:50","slug":"tecnologia-de-carbur-de-silici-sinteritzat","status":"publish","type":"post","link":"https:\/\/siliconcarbide.net\/ca\/technology-of-sintered-silicon-carbide\/","title":{"rendered":"tecnologia de carbur de silici sinteritzat"},"content":{"rendered":"<p>La cer\u00e0mica de carbur de silici s'utilitza cada vegada m\u00e9s \u00e0mpliament a causa de la seva excel\u00b7lent resist\u00e8ncia a altes temperatures, resist\u00e8ncia al desgast, resist\u00e8ncia a la corrosi\u00f3 i resist\u00e8ncia als xocs t\u00e8rmics. Les cer\u00e0miques de SiC tenen un paper cada vegada m\u00e9s important en el camp dels materials. Per tant, \u00e9s urgent dur a terme m\u00e9s investigacions sobre els materials de SiC per tal de reduir els costos de producci\u00f3, simplificar els processos de producci\u00f3 i promoure el desenvolupament de productes cer\u00e0mics de SiC, alhora que es milloren cont\u00ednuament les seves excel\u00b7lents propietats.<\/p>\n<p>El carbur de silici sinteritzat es considera el m\u00e8tode de sinteritzaci\u00f3 m\u00e9s prometedor per al sinteritzat de SiC. La cer\u00e0mica de carbur de silici de gran mida i forma complexa es pot preparar mitjan\u00e7ant un proc\u00e9s de sinteritzaci\u00f3 atmosf\u00e8rica. La GE Corporation dels Estats Units ha adoptat les mesures seg\u00fcents: \u03b2 \u2013 afegir bor i carboni al SiC, sinteritzar a m\u00e9s de 2000 \u00b0C en atmosfera in\u00e8rta i obtenir carbur de silici sinteritzat amb una densitat superior al 981 % a 2020 \u00b0C. Amb Y2O3 i Al2O3 com a ajuts de sinteritzaci\u00f3 i YAG (Y3Al5O12) amb punt de fusi\u00f3 baix com a component b\u00e0sic, l'Institut de Silicats de Xangai, de l'Acad\u00e8mia Xinesa de Ci\u00e8ncies, va coure cer\u00e0mica de carbur de silici amb una resist\u00e8ncia a la flexi\u00f3 i una tenacitat de trencament de 707 i 10,7, respectivament, a 1850 \u00b0C. Liu Baoying, de l'Institut de Recerca i Disseny de Silicats de Shandong, va afegir una quantitat adequada d'Al2O3 i Y2O3 com a additius de sinteritzaci\u00f3 i va fabricar materials cer\u00e0mics compostos de SiC fi amb una densitat relativa de 97% a 1780 \u00b0C mitjan\u00e7ant el proc\u00e9s de modelatge amb morter, que pot satisfer les necessitats de la producci\u00f3 industrial de segells mec\u00e0nics i cer\u00e0miques resistents al desgast. Per\u00f2 fins ara, la investigaci\u00f3 sobre el carbur de silici sinteritzat no \u00e9s gaire exhaustiva, i cal aprofundir-la.<\/p>\n<p><a href=\"http:\/\/siliconcarbide.net\/wp-content\/uploads\/2022\/12\/sintered-silicon-carbide.jpg\"><img decoding=\"async\" class=\"size-full wp-image-555 lazyload\" data-src=\"http:\/\/siliconcarbide.net\/wp-content\/uploads\/2022\/12\/sintered-silicon-carbide.jpg\" alt=\"carboni de silici sinteritzat\" width=\"552\" height=\"461\" data-srcset=\"https:\/\/siliconcarbide.net\/wp-content\/uploads\/2022\/12\/sintered-silicon-carbide.jpg 552w, https:\/\/siliconcarbide.net\/wp-content\/uploads\/2022\/12\/sintered-silicon-carbide-300x251.jpg 300w\" data-sizes=\"(max-width: 552px) 100vw, 552px\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 552px; --smush-placeholder-aspect-ratio: 552\/461;\" \/><\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>silicon carbide ceramic are more and more widely used because of their excellent high temperature strength, wear resistance, corrosion resistance and thermal shock resistance. SiC ceramics play an increasingly important role in the field of materials. Therefore, it is urgent to carry out further research on SiC materials in order to reduce production costs, simplify [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":555,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[30],"tags":[],"class_list":["post-552","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sic-knowledge"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/siliconcarbide.net\/ca\/wp-json\/wp\/v2\/posts\/552","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/siliconcarbide.net\/ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/siliconcarbide.net\/ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/siliconcarbide.net\/ca\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/siliconcarbide.net\/ca\/wp-json\/wp\/v2\/comments?post=552"}],"version-history":[{"count":3,"href":"https:\/\/siliconcarbide.net\/ca\/wp-json\/wp\/v2\/posts\/552\/revisions"}],"predecessor-version":[{"id":556,"href":"https:\/\/siliconcarbide.net\/ca\/wp-json\/wp\/v2\/posts\/552\/revisions\/556"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/siliconcarbide.net\/ca\/wp-json\/wp\/v2\/media\/555"}],"wp:attachment":[{"href":"https:\/\/siliconcarbide.net\/ca\/wp-json\/wp\/v2\/media?parent=552"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/siliconcarbide.net\/ca\/wp-json\/wp\/v2\/categories?post=552"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/siliconcarbide.net\/ca\/wp-json\/wp\/v2\/tags?post=552"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}