{"id":574,"date":"2023-09-03T17:49:46","date_gmt":"2023-09-03T09:49:46","guid":{"rendered":"https:\/\/siliconcarbide.net\/?p=574"},"modified":"2023-09-05T14:27:25","modified_gmt":"2023-09-05T06:27:25","slug":"%e5%b8%b8%e5%8e%8b%e4%b8%8b%e7%83%a7%e7%bb%93%e7%a2%b3%e5%8c%96%e7%a1%85%e7%9a%84%e5%9b%ba%e7%9b%b8%e7%83%a7%e7%bb%93","status":"publish","type":"post","link":"https:\/\/siliconcarbide.net\/zh\/solid-phase-sintering-of-sintered-silicon-carbide-at-atmospheric-pressure\/","title":{"rendered":"\u5e38\u538b\u4e0b\u70e7\u7ed3\u78b3\u5316\u7845\u7684\u56fa\u76f8\u70e7\u7ed3"},"content":{"rendered":"<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \u542b\u6709 C \u548c B4C \u5143\u7d20\u4f5c\u4e3a\u70e7\u7ed3\u52a9\u5242\u7684\u78b3\u5316\u7845\u9676\u74f7\u7684\u70e7\u7ed3\u5c5e\u4e8e\u56fa\u76f8\u70e7\u7ed3\uff0c\u70e7\u7ed3\u8fc7\u7a0b\u4e3b\u8981\u7531\u6269\u6563\u673a\u7406\u63a7\u5236\uff0c\u6700\u4f73\u70e7\u7ed3\u6e29\u5ea6\u4e3a 2150\u00b0C\u3002\u70e7\u7ed3\u8fc7\u7a0b\u7b80\u5355\uff0c\u6613\u4e8e\u63a7\u5236\u3002\u6dfb\u52a0\u9002\u5f53\u542b\u91cf\u7684 C+B4C \u70e7\u7ed3\u6dfb\u52a0\u5242\u7684\u70e7\u7ed3\u78b3\u5316\u7845\u70e7\u7ed3\u5de5\u827a\u7b80\u5355\u6613\u63a7\uff0c\u9676\u74f7\u70e7\u7ed3\u540e\u76f8\u6bd4\u576f\u6599\u6709\u7ea6 30% \u7684\u4f53\u79ef\u6536\u7f29\uff0c\u53ef\u4ee5\u5f97\u5230\u5bc6\u5ea6\u66f4\u9ad8\u3001\u529b\u5b66\u6027\u80fd\u66f4\u597d\u7684\u78b3\u5316\u7845\u7279\u79cd\u9676\u74f7\u3002\u76ee\u524d\uff0c\u5e38\u7528\u7684\u70e7\u7ed3\u6dfb\u52a0\u5242\u6709 B4C+C\u3001BN+C\u3001BP\uff08\u78f7\u5316\u787c\uff09+C\u3001AI+C\u3001AIN+C \u7b49\u3002\u5728\u65e0\u538b\u70e7\u7ed3\u8fc7\u7a0b\u4e2d\u52a0\u5165\u9002\u5f53\u542b\u91cf\u7684 C+B4C SiC\uff0c\u8fd9\u7c7b\u70e7\u7ed3\u7845\u7684\u5de5\u827a\u7b80\u5355\uff0c\u6613\u4e8e\u63a7\u5236\uff0c\u6750\u6599\u5bc6\u5ea6\u8f83\u9ad8\uff0c\u6700\u5927\u5bc6\u5ea6\u4e3a 3.169\/cm3\uff08\u76f8\u5bf9\u5bc6\u5ea6\u4e3a 98.75%\uff09\uff1b\u529b\u5b66\u6027\u80fd\u8f83\u597d\uff0c\u6700\u5927\u6297\u538b\u5f3a\u5ea6\u4e3a 550MPa\u3002<br \/>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \u78b3\u5316\u7845\u539f\u6599\u6700\u597d\u662f D50 \u503c\u4e3a 0.5 - 0.8 \u5fae\u7c73\u7684\u5355\u5fae\u7c89\u3002\u901a\u5e38\u662f\u7ecf\u8fc7\u5316\u5b66\u5904\u7406\u7684\u7eff\u8272\u78b3\u5316\u7845\u5fae\u7c89\uff0c\u5176\u6bd4\u8868\u9762\u79ef\u4e3a 20 \u7acb\u65b9\u7c73\/\u514b\u3002\u6b64\u5916\uff0cB \u7684\u6dfb\u52a0\u91cf\u5e94\u9009\u62e9\u5728 0.5% - 1.5% \u5de6\u53f3\uff0c\u800c C \u7684\u6dfb\u52a0\u91cf\u5219\u53d6\u51b3\u4e8e\u78b3\u5316\u7845\u7c89\u672b\u4e2d\u6c27\u542b\u91cf\u7684\u9ad8\u4f4e\u3002\u5316\u5b66\u6210\u5206 SIC&gt;99%\uff0cF-C&lt;0.1\uff0cSi+SiO2&lt;0.1\uff0cFe2O3&lt;0.08\u3002\u9897\u7c92\u5f62\u72b6\u548c\u5c3a\u5bf8\u7ec4\u6210\uff0c\u9897\u7c92\u5f62\u72b6\u63a5\u8fd1\u7403\u5f62\uff0c\u4ee5\u8fbe\u5230\u6700\u7d27\u51d1\u7684\u5806\u79ef\u3002<br \/>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; B4C\u548cC\u7684\u6dfb\u52a0\u5c5e\u4e8e\u56fa\u76f8\u70e7\u7ed3\u8303\u7574\uff0c\u9700\u8981\u8f83\u9ad8\u7684\u70e7\u7ed3\u6e29\u5ea6\u3002SiC\u70e7\u7ed3\u9a71\u52a8\u529b\u4e3a\uff1a\u7c89\u672b\u9897\u7c92\u8868\u9762\u80fd\uff08Eb\uff09\u4e0e\u591a\u6676\u70e7\u7ed3\u4f53\u6676\u7c92\u6446\u52a8\u9762\uff08Es\uff09\u4e4b\u5dee\uff0c\u5bfc\u81f4\u4f53\u7cfb\u81ea\u7531\u80fd\u964d\u4f4e\u3002\u63ba\u5165\u9002\u91cf\u7684 B4C \u540e\uff0cB4C \u5728\u70e7\u7ed3\u8fc7\u7a0b\u4e2d\u4f4d\u4e8e SiC \u6676\u754c\u4e0a\uff0c\u90e8\u5206\u4e0e SiC \u5f62\u6210\u56fa\u6eb6\u4f53\uff0c\u4ece\u800c\u964d\u4f4e\u4e86 SiC \u7684\u6676\u754c\u5bb9\u91cf\u3002\u63ba\u5165\u9002\u91cf\u7684\u6e38\u79bb C \u6709\u5229\u4e8e\u56fa\u76f8\u70e7\u7ed3\uff0c\u56e0\u4e3a SiC \u8868\u9762\u901a\u5e38\u4f1a\u88ab\u6c27\u5316\uff0c\u4ece\u800c\u751f\u6210\u5c11\u91cf Si02\uff0c\u800c\u52a0\u5165\u9002\u91cf\u7684 C \u6709\u52a9\u4e8e\u4f7f SiC \u8868\u9762\u7684 Si02 \u819c\u7684\u8fd8\u539f\u4f5c\u7528\u88ab\u53bb\u9664\uff0c\u4ece\u800c\u589e\u52a0\u8868\u9762\u80fd Eb\u3002<br \/>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SiC \u7cfb\u7edf\u5728 1.013x105Pa \u548c\u9ad8\u4e8e 1880\u00b0C \u7684\u6e29\u5ea6\u4e0b\u53d1\u751f\u5206\u89e3\u548c\u5347\u534e\u3002SiC \u4f53\u7cfb\u4e2d\u542b\u6709 Si\u3001Si2\u3001Si3\u3001C\u3001C2\u3001C3\u3001C4\u3001C5\u3001SiC\u3001Si2C\u3001SiC2 \u7b49\u6c14\u76f8\uff0c\u5728 SiC \u6676\u4f53\u751f\u957f\u8fc7\u7a0b\u4e2d\uff0c\u6e29\u5dee\u662f\u5347\u534e\u8fc7\u7a0b\u7684\u57fa\u672c\u9a71\u52a8\u529b\uff0c\u6574\u4e2a\u8fc7\u7a0b\u7531\u8d28\u91cf\u4f20\u8f93\u4e3b\u5bfc\u3002SiC \u4f53\u7cfb\u4e2d\u7684\u8fd9\u4e9b\u4e0d\u540c\u6c14\u76f8\u901a\u8fc7\u6269\u6563\u51dd\u805a\u5728 SiC \u6676\u6bcd\u4e0a\uff0c\u5bfc\u81f4 SiC \u6676\u4f53\u9897\u7c92\u7684\u751f\u957f\u3002\u5bf9\u4e8e C+B4C \u70e7\u7ed3\u52a9\u5242\u4f53\u7cfb\u7684\u6837\u54c1\uff0c\u7531\u4e8e\u4e3b\u8981\u662f\u56fa\u76f8\u70e7\u7ed3\uff0c\u6240\u9700\u7684\u70e7\u7ed3\u6e29\u5ea6\u8f83\u9ad8\uff0c\u5e76\u4e14\u5728 1300 \u2103 \u5de6\u53f3\u901a\u5165\u6c29\u6c14\u4f5c\u4e3a\u4fdd\u62a4\u6c14\u6c1b\uff0c\u56e0\u4e3a\u5728 1300 \u2103 \u4ee5\u4e0a\u7684\u9ad8\u6e29\u4e0b\uff0c\u6c29\u6c14\u6709\u5229\u4e8e\u51cf\u5c11 SiC \u7684\u5206\u89e3\u3002\u8861\u91cf SiC \u70e7\u7ed3\u4f53\u7684\u8d28\u91cf\u6709\u4e24\u4e2a\u5fc5\u8981\u6761\u4ef6\uff1a\u5b54\u9699\u7387\u8d8a\u4f4e\u8d8a\u81f4\u5bc6\uff1b\u6676\u7c92\u8d8a\u5c0f\u8d8a\u597d\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; The sintering of silicon carbide ceramic containing C and B4C elements as sintering aids is solid-phase sintering, and the sintering process is mainly controlled by the diffusion mechanism, with an optimum sintering temperature of 2150\u00b0C. The sintering process is simple and easy to control. Add the appropriate content of C + B4C sintering additives [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[30],"tags":[],"class_list":["post-574","post","type-post","status-publish","format-standard","hentry","category-sic-knowledge"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/siliconcarbide.net\/zh\/wp-json\/wp\/v2\/posts\/574","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/siliconcarbide.net\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/siliconcarbide.net\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/siliconcarbide.net\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/siliconcarbide.net\/zh\/wp-json\/wp\/v2\/comments?post=574"}],"version-history":[{"count":3,"href":"https:\/\/siliconcarbide.net\/zh\/wp-json\/wp\/v2\/posts\/574\/revisions"}],"predecessor-version":[{"id":577,"href":"https:\/\/siliconcarbide.net\/zh\/wp-json\/wp\/v2\/posts\/574\/revisions\/577"}],"wp:attachment":[{"href":"https:\/\/siliconcarbide.net\/zh\/wp-json\/wp\/v2\/media?parent=574"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/siliconcarbide.net\/zh\/wp-json\/wp\/v2\/categories?post=574"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/siliconcarbide.net\/zh\/wp-json\/wp\/v2\/tags?post=574"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}