{"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":"technologia-spiekanego-weglika-krzemu","status":"publish","type":"post","link":"https:\/\/siliconcarbide.net\/pl\/technology-of-sintered-silicon-carbide\/","title":{"rendered":"technologia spiekanego w\u0119glika krzemu"},"content":{"rendered":"<p>Ceramika z w\u0119glika krzemu jest coraz szerzej stosowana ze wzgl\u0119du na doskona\u0142\u0105 wytrzyma\u0142o\u015b\u0107 w wysokich temperaturach, odporno\u015b\u0107 na zu\u017cycie, odporno\u015b\u0107 na korozj\u0119 i odporno\u015b\u0107 na szok termiczny. Ceramika SiC odgrywa coraz wa\u017cniejsz\u0105 rol\u0119 w dziedzinie materia\u0142\u00f3w. Dlatego te\u017c pilne jest prowadzenie dalszych bada\u0144 nad materia\u0142ami SiC w celu obni\u017cenia koszt\u00f3w produkcji, uproszczenia proces\u00f3w produkcyjnych i promowania rozwoju produkt\u00f3w ceramicznych SiC przy jednoczesnym ci\u0105g\u0142ym ulepszaniu ich doskona\u0142ych w\u0142a\u015bciwo\u015bci.<\/p>\n<p>Spiekany w\u0119glik krzemu jest uwa\u017cany za najbardziej obiecuj\u0105c\u0105 metod\u0119 spiekania SiC. Ceramika z w\u0119glika krzemu o du\u017cych rozmiarach i z\u0142o\u017conym kszta\u0142cie mo\u017ce by\u0107 przygotowana w procesie spiekania atmosferycznego. GE Corporation ze Stan\u00f3w Zjednoczonych przyj\u0119\u0142a nast\u0119puj\u0105ce \u015brodki: \u03b2 - Dodanie boru i w\u0119gla do SiC, spiekanie w temperaturze powy\u017cej 2000 \u2103 w atmosferze oboj\u0119tnej i uzyskanie spiekanego w\u0119glika krzemu o g\u0119sto\u015bci wy\u017cszej ni\u017c 98% w temperaturze 2020 \u2103. Z Y2O3 i Al2O3 jako \u015brodkami pomocniczymi do spiekania i YAG (Y3Al5O12) o niskiej temperaturze topnienia jako podstawowym sk\u0142adnikiem, Shanghai Institute of Silicate, Chinese Academy of Sciences wypali\u0142 ceramik\u0119 z w\u0119glika krzemu o wytrzyma\u0142o\u015bci na zginanie i odporno\u015bci na p\u0119kanie odpowiednio 707 i 10,7 w temperaturze 1850 \u2103. Liu Baoying z Shandong Silicate Research and Design Institute doda\u0142 odpowiedni\u0105 ilo\u015b\u0107 Al2O3 i Y2O3 jako dodatk\u00f3w do spiekania i wykona\u0142 drobne kompozytowe materia\u0142y ceramiczne SiC o g\u0119sto\u015bci wzgl\u0119dnej 97% w temperaturze 1780 \u2103 przy u\u017cyciu procesu formowania spoin, kt\u00f3ry mo\u017ce zaspokoi\u0107 potrzeby przemys\u0142owej produkcji uszczelnie\u0144 mechanicznych i ceramiki odpornej na zu\u017cycie. Jednak jak dot\u0105d badania nad spiekanym w\u0119glikiem krzemu nie s\u0105 zbyt dok\u0142adne, co wymaga dalszego pog\u0142\u0119bienia.<\/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=\"spiekany w\u0119glik krzemu\" 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\/pl\/wp-json\/wp\/v2\/posts\/552","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/siliconcarbide.net\/pl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/siliconcarbide.net\/pl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/siliconcarbide.net\/pl\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/siliconcarbide.net\/pl\/wp-json\/wp\/v2\/comments?post=552"}],"version-history":[{"count":3,"href":"https:\/\/siliconcarbide.net\/pl\/wp-json\/wp\/v2\/posts\/552\/revisions"}],"predecessor-version":[{"id":556,"href":"https:\/\/siliconcarbide.net\/pl\/wp-json\/wp\/v2\/posts\/552\/revisions\/556"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/siliconcarbide.net\/pl\/wp-json\/wp\/v2\/media\/555"}],"wp:attachment":[{"href":"https:\/\/siliconcarbide.net\/pl\/wp-json\/wp\/v2\/media?parent=552"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/siliconcarbide.net\/pl\/wp-json\/wp\/v2\/categories?post=552"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/siliconcarbide.net\/pl\/wp-json\/wp\/v2\/tags?post=552"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}