Bu \u015feyl\u0259ri bu q\u0259d\u0259r faydal\u0131 ed\u0259n n\u0259dir?<\/u><\/a>:<\/p>\nBu d\u0259li kimi \u00e7\u0259tindir<\/b><\/strong><\/p>\nBir Knoop s\u0259rtliyi<\/b><\/strong> -in, -in 2800 GPa<\/b><\/strong>, Sinterl\u0259nmi\u015f silikon karbid dem\u0259k olar ki, almaz istisna olmaqla, c\u0131z\u0131lmaya v\u0259 h\u0259r c\u00fcr a\u015f\u0131nmaya qar\u015f\u0131 dem\u0259k olar ki, h\u0259r \u015feyd\u0259n yax\u015f\u0131 m\u00fcqavim\u0259t g\u00f6st\u0259rir. Bu o dem\u0259kdir ki, o, s\u00fcr\u00fc\u015fd\u00fcy\u00fc v\u0259 hiss\u0259cikl\u0259rl\u0259 toqqu\u015fdu\u011fu t\u0259tbiql\u0259rd\u0259 dig\u0259r materiallardan xeyli daha uzun\u00f6m\u00fcrl\u00fcd\u00fcr.<\/p>\nAlmaz<\/b><\/strong> Yegan\u0259 daha s\u0259rt \u015fey var. SiC-nin g\u00fcl\u00fcnc d\u0259r\u0259c\u0259d\u0259 s\u0259rtliyi silikon v\u0259 karbon atomlar\u0131 aras\u0131ndak\u0131 super m\u00f6hk\u0259m ba\u011flardan qaynaqlan\u0131r. Bu ba\u011flar m\u00f6hk\u0259mc\u0259 yap\u0131\u015f\u0131r v\u0259 buraxmaq ist\u0259mir!<\/p>\nY\u00fcng\u00fcl, amma m\u00f6hk\u0259m<\/b><\/strong><\/p>\nG\u00f6st\u0259ricil\u0259ri a\u015fan g\u00fcc\u00fc olmas\u0131na baxmayaraq, Sinterl\u0259nmi\u015f SiC-nin s\u0131xl\u0131\u011f\u0131 c\u0259mi 3,15 q\/sm\u00b3-dir.<\/b><\/strong>. Bu al\u00fcminiuma yax\u0131nd\u0131r, ona g\u00f6r\u0259 d\u0259 bu material \u00e7ox y\u00fcng\u00fcld\u00fcr!<\/p>\nBu o dem\u0259kdir ki, metallar\u0131n \u0259v\u0259zin\u0259 sinterl\u0259nmi\u015f SiC-d\u0259n haz\u0131rlanm\u0131\u015f hiss\u0259l\u0259r xeyli y\u00fcng\u00fcl ola bil\u0259r. D\u00f6n\u0259n avadanl\u0131qlar daha az \u00e7\u0259ki il\u0259 daha s\u00fcr\u0259tli f\u0131rlana bil\u0259r. V\u0259 inan\u0131n \u2013 SiC maye al\u00fcminiumda h\u0259qiq\u0259t\u0259n \u00fcz\u00fcr! Buna g\u00f6r\u0259 d\u0259 \u0259ridilmi\u015f metal il\u0259 i\u015fl\u0259m\u0259li nasos hiss\u0259l\u0259ri \u00fc\u00e7\u00fcn \u0259lad\u0131r.<\/p>\n
Korroziyaya v\u0259 oksidl\u0259\u015fm\u0259y\u0259 \u00e7empion kimi m\u00fcqavim\u0259t g\u00f6st\u0259rir<\/b><\/strong><\/p>\nMetallar korroziyaya qar\u015f\u0131 m\u00fcqavim\u0259t g\u00f6st\u0259rm\u0259k \u00fc\u00e7\u00fcn qoruyucu oksid qat\u0131na ehtiyac duyur. Amma Sinterl\u0259nmi\u015f SiC<\/b><\/strong> Onun he\u00e7 bir ba\u011flay\u0131c\u0131lar\u0131 v\u0259 ya \u0259lav\u0259 fazalar\u0131 yoxdur ki, onlara h\u00fccum olunsun. O, dem\u0259k olar ki, h\u0259r hans\u0131 m\u00fchitd\u0259 korroziyan\u0131 sad\u0259c\u0259 la\u011fa qoyur.<\/p>\nSiC oksidl\u0259\u015fdirici havada bel\u0259 1650\u00b0C-\u0259 q\u0259d\u0259r \u00f6z m\u00f6hk\u0259mliyini qoruyur! Onun korroziyaya v\u0259 oksidl\u0259\u015fm\u0259y\u0259 davaml\u0131l\u0131\u011f\u0131 son d\u0259r\u0259c\u0259 g\u00fccl\u00fc silikon-karbon ba\u011flar\u0131ndan qaynaqlan\u0131r. Onlar yaln\u0131z super y\u00fcks\u0259k temperaturlara \u00e7atd\u0131qda par\u00e7alan\u0131b oksidl\u0259\u015fm\u0259k ist\u0259yirl\u0259r.<\/p>\n
H\u0259tta d\u00f6z\u00fclm\u0259z istilikd\u0259 bel\u0259 m\u00f6hk\u0259m qal\u0131r<\/b><\/strong><\/p>\nThe kovalent ba\u011flar<\/b><\/strong> SiC-d\u0259 onu h\u0259tta ekstremal temperaturlarda bel\u0259 s\u0259rt v\u0259 m\u00f6hk\u0259m saxlay\u0131r. Sinterl\u0259nmi\u015f SiC tam g\u00fcc\u00fcn\u00fc qoruyur.<\/b><\/strong> t\u0259xmin\u0259n q\u0259d\u0259r 1750\u00b0C<\/b><\/strong> \u2013 bu al-al od kimi! Metallardan f\u0259rqli olaraq z\u0259ifl\u0259m\u0259y\u0259c\u0259k v\u0259 sallanmayacaq.<\/p>\nThe y\u00fcks\u0259k moduluslu<\/b><\/strong> SiC-d\u0259n olmas\u0131 onun a\u011f\u0131r y\u00fckl\u0259r alt\u0131nda t\u0259dric\u0259n deformasiya olmamas\u0131 v\u0259 ya s\u00fcr\u00fcnm\u0259m\u0259si dem\u0259kdir. Bel\u0259likl\u0259, y\u00fcks\u0259k temperaturlarda b\u00f6y\u00fck g\u0259rginlikl\u0259ri da\u015f\u0131maq \u00fc\u00e7\u00fcn ona g\u00fcv\u0259n\u0259 bil\u0259rsiniz. Soban\u0131n hiss\u0259l\u0259ri v\u0259 aerokosmik t\u0259tbiql\u0259r \u00fc\u00e7\u00fcn m\u00fck\u0259mm\u0259ldir!<\/p>\n\u0130dar\u0259 edir termal \u015foku<\/b><\/strong><\/p>\nBir \u0130stilik ke\u00e7iriciliyi<\/b><\/strong> -in, -in 125 Vt\/mK<\/b><\/strong>, SiC istilik enerjisini s\u00fcr\u0259tl\u0259 \u00f6t\u00fcr\u00fcr v\u0259 k\u0259skin temperatur d\u0259yi\u015fiklikl\u0259rin\u0259 d\u00f6z\u0259 bilir. Bu, sinterl\u0259nmi\u015f SiC-y\u0259 imkan verir \u018fla termal \u015fok m\u00fcqavim\u0259ti<\/b><\/strong> Dig\u0259r keramikalara nisb\u0259t\u0259n.<\/p>\nK\u0259skin temperatur d\u0259yi\u015fiklikl\u0259ri b\u0259rab\u0259rsiz geni\u015fl\u0259nm\u0259 s\u0259b\u0259bind\u0259n k\u00f6vr\u0259k materiallar\u0131n \u00e7atlamas\u0131na s\u0259b\u0259b ola bil\u0259r. Amma SiC \u00e7atlam\u0131r, \u00e7\u00fcnki istiliyi \u00e7ox yax\u015f\u0131 ke\u00e7irir. O, temperatur dal\u011falanmalar\u0131na problemsiz uy\u011funla\u015fa bilir.<\/p>\n
Otaq temperaturunda sinterl\u0259nmi\u015f SiC-nin x\u00fcsusiyy\u0259tl\u0259ri<\/b><\/strong><\/p>\nBudur sinterl\u0259nmi\u015f SiC-nin otaq temperaturunda (20\u00b0C) \u0259sas g\u00f6st\u0259ricil\u0259rind\u0259n b\u0259zil\u0259ri:<\/p>\n
\n- <\/b>S\u0131xl\u0131q<\/b><\/strong>\u2013 3.15 g\/cc (y\u00fcng\u00fcl!)<\/li>\n
- <\/b>S\u0259rtlik<\/b><\/strong>\u2013 2800 GPa (d\u0259li b\u0259rk!)<\/li>\n
- <\/b>Q\u0131r\u0131lma modulu<\/b><\/strong>\u2013 380 MPa<\/li>\n
- <\/b>\u00c7ekm\u0259 m\u00f6hk\u0259mliyi<\/b><\/strong>\u2013 250 MPa<\/li>\n
- <\/b>Kompressiv m\u00f6hk\u0259mlik<\/b><\/strong>\u2013 3900 MPa<\/li>\n
- <\/b>Elastik modulus<\/b><\/strong>\u2013 410 GPa<\/li>\n
- <\/b>Termiki geni\u015fl\u0259nm\u0259<\/b><\/strong>\u2013 4 x 10\u207b\u2076 in\/in \u00b0C (a\u015fa\u011f\u0131 geni\u015fl\u0259nm\u0259)<\/li>\n
- <\/b>\u0130stilik ke\u00e7iriciliyi<\/b><\/strong>\u2013 125 Vt\/mK (istiqili yax\u015f\u0131 ke\u00e7irir)<\/li>\n
- <\/b>Poisson nisb\u0259ti<\/b><\/strong>\u2013 0.16<\/li>\n<\/ul>\n
Bu m\u00f6c\u00fcz\u0259vi material\u0131n istifad\u0259l\u0259ri<\/b><\/strong><\/h2>\nM\u00f6ht\u0259\u015f\u0259m x\u00fcsusiyy\u0259tl\u0259r qar\u0131\u015f\u0131\u011f\u0131 say\u0259sind\u0259 sinterl\u0259nmi\u015f silikon karbid a\u015f\u0131nma, korroziya v\u0259 \u015fidd\u0259tli istiliyin problem yaratd\u0131\u011f\u0131 i\u015fl\u0259r \u00fc\u00e7\u00fcn m\u00fck\u0259mm\u0259l se\u00e7imdir:<\/p>\n
\n- <\/b>M\u00f6h\u00fcrl\u0259r \u00fczl\u0259\u015fir<\/b><\/strong>Nasoslar a\u015f\u0131nd\u0131r\u0131c\u0131 slanclar\u0131n\u0131 y\u00fcks\u0259k s\u00fcr\u0259t v\u0259 t\u0259zyiqd\u0259 da\u015f\u0131y\u0131r. SiC m\u00f6h\u00fcrl\u0259ri bu s\u0131na\u011fa d\u00f6z\u0259 bil\u0259r.<\/li>\n
- <\/b>Y\u00fcks\u0259k istilik sobas\u0131 hiss\u0259l\u0259ri<\/b><\/strong>M\u0259s\u0259l\u0259n, borular, dayaqlar v\u0259 termoc\u00fct \u00f6rt\u00fckl\u0259ri. SiC \u0259n isti sobalarda bel\u0259 m\u00f6hk\u0259mdir.<\/li>\n
- <\/b>A\u015f\u0131nmaya davaml\u0131 astarlar<\/b><\/strong>Abrasiv rudalar v\u0259 ya tozlar da\u015f\u0131yan konveyer kanallar\u0131 v\u0259 hopperl\u0259r \u00fc\u00e7\u00fcn. SiC a\u015f\u0131nmayacaq!<\/li>\n
- <\/b>Qaz turbini hiss\u0259l\u0259ri<\/b><\/strong>oksidl\u0259\u015fm\u0259y\u0259, korroziyaya v\u0259 d\u0259li temperaturlara davam g\u0259tirm\u0259li olan.<\/li>\n
- <\/b>Yand\u0131r\u0131c\u0131lar \u00fc\u00e7\u00fcn nozullar<\/b><\/strong>v\u0259 sobalar. SiC korroziyaya v\u0259 istiliy\u0259 davaml\u0131d\u0131r.<\/li>\n
- <\/b>Keramika zirehi<\/b><\/strong>SiC-d\u0259n haz\u0131rlanm\u0131\u015fd\u0131r, metal zirehd\u0259n y\u00fcng\u00fcld\u00fcr, amma h\u0259l\u0259 d\u0259 g\u00fcll\u0259l\u0259ri dayand\u0131r\u0131r.<\/li>\n
- <\/b>3D \u00e7ap olunmu\u015f komponentl\u0259r<\/b><\/strong>SiC-d\u0259 f\u0259rdi formalarda m\u00fcmk\u00fcn olan.<\/li>\n<\/ul>\n
Sinterl\u0259nmi\u015f silikon karbid s\u0259rt \u015f\u0259rait\u0259 g\u00fcl\u0259n super material kimidir. O, almazab\u0259nz\u0259r s\u0259rtlik v\u0259 a\u015fa\u011f\u0131 s\u0131xl\u0131q kimi m\u00f6ht\u0259\u015f\u0259m x\u00fcsusiyy\u0259tl\u0259ri birl\u0259\u015fdir\u0259r\u0259k dig\u0259r materiallar\u0131n tez s\u0131radan \u00e7\u0131xd\u0131\u011f\u0131 \u015f\u0259raitd\u0259 uzun\u00f6m\u00fcrl\u00fc olmas\u0131n\u0131 t\u0259min edir. Bu, sinterl\u0259nmi\u015f SiC-ni \u00e7\u0259tin t\u0259tbiql\u0259r \u00fc\u00e7\u00fcn son d\u0259r\u0259c\u0259 d\u0259y\u0259rli keramika edir.<\/p>","protected":false},"excerpt":{"rendered":"
Sintered Silicon Carbide – A Super Material That Can Handle Almost Anything Can you think of a material that’s nearly as hard as diamond, floats in water, can take scorching heats, laughs off chemicals trying to eat it away, and keeps its strength no matter what you throw at it? Well, sintered silicon carbide is that […]<\/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-608","post","type-post","status-publish","format-standard","hentry","category-sic-knowledge"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/siliconcarbide.net\/az\/wp-json\/wp\/v2\/posts\/608","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/siliconcarbide.net\/az\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/siliconcarbide.net\/az\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/siliconcarbide.net\/az\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/siliconcarbide.net\/az\/wp-json\/wp\/v2\/comments?post=608"}],"version-history":[{"count":3,"href":"https:\/\/siliconcarbide.net\/az\/wp-json\/wp\/v2\/posts\/608\/revisions"}],"predecessor-version":[{"id":611,"href":"https:\/\/siliconcarbide.net\/az\/wp-json\/wp\/v2\/posts\/608\/revisions\/611"}],"wp:attachment":[{"href":"https:\/\/siliconcarbide.net\/az\/wp-json\/wp\/v2\/media?parent=608"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/siliconcarbide.net\/az\/wp-json\/wp\/v2\/categories?post=608"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/siliconcarbide.net\/az\/wp-json\/wp\/v2\/tags?post=608"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}