{"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":"tehnologia-carburii-de-siliciu-sinterizate","status":"publish","type":"post","link":"https:\/\/siliconcarbide.net\/ro\/technology-of-sintered-silicon-carbide\/","title":{"rendered":"tehnologia carburii de siliciu sinterizate"},"content":{"rendered":"<p>Ceramica din carbur\u0103 de siliciu este utilizat\u0103 din ce \u00een ce mai mult datorit\u0103 rezisten\u021bei excelente la temperaturi ridicate, rezisten\u021bei la uzur\u0103, rezisten\u021bei la coroziune \u0219i rezisten\u021bei la \u0219ocuri termice. Ceramica SiC joac\u0103 un rol din ce \u00een ce mai important \u00een domeniul materialelor. Prin urmare, este urgent s\u0103 se efectueze cercet\u0103ri suplimentare asupra materialelor SiC pentru a reduce costurile de produc\u021bie, a simplifica procesele de produc\u021bie \u0219i a promova dezvoltarea produselor ceramice SiC, \u00eembun\u0103t\u0103\u021bind \u00een acela\u0219i timp propriet\u0103\u021bile lor excelente.<\/p>\n<p>carbura de siliciu sinterizat\u0103 este considerat\u0103 cea mai promi\u021b\u0103toare metod\u0103 de sinterizare pentru sinterizarea SiC. ceramica din carbur\u0103 de siliciu cu dimensiuni mari \u0219i forme complexe poate fi preparat\u0103 prin procesul de sinterizare atmosferic\u0103. GE Corporation din Statele Unite a adoptat urm\u0103toarele m\u0103suri: \u03b2 - Ad\u0103ugarea de bor \u0219i carbon \u00een SiC, sinterizarea la peste 2000 \u2103 \u00een atmosfer\u0103 inert\u0103 \u0219i ob\u021binerea carburii de siliciu sinterizate cu densitate mai mare de 98% la 2020 \u2103. Cu Y2O3 \u0219i Al2O3 ca adjuvan\u021bi de sinterizare \u0219i YAG (Y3Al5O12) cu punct de topire sc\u0103zut ca component\u0103 de baz\u0103, Institutul de Silica\u021bi din Shanghai, Academia Chinez\u0103 de \u0218tiin\u021be, a ars ceramic\u0103 din carbur\u0103 de siliciu cu rezisten\u021b\u0103 la \u00eencovoiere \u0219i tenacitate la fractur\u0103 de 707 \u0219i, respectiv, 10,7 la 1850 \u2103. Liu Baoying de la Shandong Silicate Research and Design Institute a ad\u0103ugat o cantitate adecvat\u0103 de Al2O3 \u0219i Y2O3 ca aditivi de sinterizare \u0219i a fabricat materiale ceramice compozite fine din SiC cu o densitate relativ\u0103 de 97% la 1780 \u2103 prin utilizarea procesului de turnare prin chituire, care poate satisface nevoile produc\u021biei industriale de garnituri mecanice \u0219i ceramic\u0103 rezistent\u0103 la uzur\u0103. Dar, p\u00e2n\u0103 \u00een prezent, cercetarea privind carbura de siliciu sinterizat\u0103 nu este foarte aprofundat\u0103, ceea ce trebuie aprofundat \u00een continuare.<\/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=\"carbur\u0103 de siliciu sinterizat\u0103\" 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\/ro\/wp-json\/wp\/v2\/posts\/552","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/siliconcarbide.net\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/siliconcarbide.net\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/siliconcarbide.net\/ro\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/siliconcarbide.net\/ro\/wp-json\/wp\/v2\/comments?post=552"}],"version-history":[{"count":3,"href":"https:\/\/siliconcarbide.net\/ro\/wp-json\/wp\/v2\/posts\/552\/revisions"}],"predecessor-version":[{"id":556,"href":"https:\/\/siliconcarbide.net\/ro\/wp-json\/wp\/v2\/posts\/552\/revisions\/556"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/siliconcarbide.net\/ro\/wp-json\/wp\/v2\/media\/555"}],"wp:attachment":[{"href":"https:\/\/siliconcarbide.net\/ro\/wp-json\/wp\/v2\/media?parent=552"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/siliconcarbide.net\/ro\/wp-json\/wp\/v2\/categories?post=552"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/siliconcarbide.net\/ro\/wp-json\/wp\/v2\/tags?post=552"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}