{"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":"tehnologija-sinterovanog-silicijumskog-karbida","status":"publish","type":"post","link":"https:\/\/siliconcarbide.net\/bs\/technology-of-sintered-silicon-carbide\/","title":{"rendered":"tehnologija sinterovanog silicijumskog karbida"},"content":{"rendered":"<p>Keramika na bazi silicij-karbida sve se vi\u0161e koristi zbog svojih izvrsnih svojstava pri visokim temperaturama, otpornosti na habanje, koroziju i toplotni \u0161ok. SiC keramika igra sve va\u017eniju ulogu u oblasti materijala. Stoga je hitno provesti daljnja istra\u017eivanja SiC materijala kako bi se smanjili tro\u0161kovi proizvodnje, pojednostavili proizvodni procesi i potaknuo razvoj SiC kerami\u010dkih proizvoda, uz kontinuirano pobolj\u0161anje njihovih izvrsnih svojstava.<\/p>\n<p>Sinterirani silicij-karbid smatra se najperspektivnijom metodom sinteriranja SiC. Keramika od silicij-karbida velikih dimenzija i slo\u017eenog oblika mo\u017ee se pripremiti procesom atmosferskog sinteriranja. GE Corporation iz Sjedinjenih Ameri\u010dkih Dr\u017eava usvojila je sljede\u0107e mjere: \u03b2 \u2013 dodavanje bora i ugljika u SiC, sinteriranje na temperaturi iznad 2000 \u2103 u inertnoj atmosferi i dobivanje sinteriranog silicij-karbida gusto\u0107e ve\u0107e od 98% na 2020 \u2103. Koriste\u0107i Y2O3 i Al2O3 kao pomo\u0107na sredstva za sinteriranje, a YAG (Y3Al5O12) sa niskom ta\u010dkom topljenja kao osnovnu komponentu, Shanghai institut za silikate Kineske akademije nauka ispe\u010de keramiku od silicij-karbida sa \u010dvrsto\u0107om savijanja i \u010dvrsto\u0107om loma od 707 i 10,7, respektivno, na 1850 \u2103. Liu Baoying iz Instituta za silikate i projektovanje Shandong dodao je odgovaraju\u0107u koli\u010dinu Al2O3 i Y2O3 kao aditive za sinterovanje i dobio finu SiC kompozitnu kerami\u010dku materiju s relativnom gusto\u0107om od 97% na 1780 \u00b0C upotrebom procesa lijevanja po mokroj metodi, \u0161to mo\u017ee zadovoljiti potrebe industrijske proizvodnje mehani\u010dkih brtvila i otporne keramike na habanje. Me\u0111utim, do sada istra\u017eivanja o sinterovanom silicijevom karbidu nisu dovoljno temeljna i potrebno ih je dodatno produbiti.<\/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=\"Sinterirani silicij-karbid\" 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\/bs\/wp-json\/wp\/v2\/posts\/552","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/siliconcarbide.net\/bs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/siliconcarbide.net\/bs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/siliconcarbide.net\/bs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/siliconcarbide.net\/bs\/wp-json\/wp\/v2\/comments?post=552"}],"version-history":[{"count":3,"href":"https:\/\/siliconcarbide.net\/bs\/wp-json\/wp\/v2\/posts\/552\/revisions"}],"predecessor-version":[{"id":556,"href":"https:\/\/siliconcarbide.net\/bs\/wp-json\/wp\/v2\/posts\/552\/revisions\/556"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/siliconcarbide.net\/bs\/wp-json\/wp\/v2\/media\/555"}],"wp:attachment":[{"href":"https:\/\/siliconcarbide.net\/bs\/wp-json\/wp\/v2\/media?parent=552"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/siliconcarbide.net\/bs\/wp-json\/wp\/v2\/categories?post=552"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/siliconcarbide.net\/bs\/wp-json\/wp\/v2\/tags?post=552"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}