Nitridl\u0259 birl\u0259\u015fdirilmi\u015f silikon karbid reaksiya il\u0259 birl\u0259\u015fdirilmi\u015f SiC v\u0259 ya sinterl\u0259nmi\u015f SiC q\u0259d\u0259r diqq\u0259t c\u0259lb etmir. Bu problem deyil. O, soba arabalar\u0131n\u0131 da\u015f\u0131maq, al\u00fcminium h\u00fcceyr\u0259l\u0259rini astarlamaq v\u0259 oksidl\u0259 birl\u0259\u015fdirilmi\u015f k\u0259rpicin d\u00f6z\u0259 bilm\u0259diyi a\u015f\u0131nmaya m\u0259ruz qalmaqla m\u0259\u015f\u011fuldur. M\u0259n NSiC \u2014 h\u0259m\u00e7inin NBSiC v\u0259 ya nitrid-ba\u011fl\u0131 SiC kimi yaz\u0131lan \u2014 il\u0259 kifay\u0259t q\u0259d\u0259r vaxt ke\u00e7irmi\u015f\u0259m ki, bunu a\u00e7\u0131q-ayd\u0131n dey\u0259 bilim: bu s\u0131x SiC-nin \u201cb\u00fcdc\u0259 versiyas\u0131\u201d deyil. Bu, f\u0259rqli i\u015f \u00fc\u00e7\u00fcn n\u0259z\u0259rd\u0259 tutulmu\u015f f\u0259rqli materiald\u0131r.<\/p>\n
Resept ka\u011f\u0131z \u00fcz\u0259rind\u0259 sad\u0259dir. Silisium karbid d\u0259n\u0259cikl\u0259rini g\u00f6t\u00fcr\u00fcrs\u00fcn\u00fcz, silisium metali \u0259lav\u0259 edirsiniz, formas\u0131n\u0131 verirsiniz, sonra azotda bi\u015firirsiniz. Silisium silisium nitritin\u0259 \u00e7evrilir v\u0259 bu nitrit SiC d\u0259n\u0259cikl\u0259rini birl\u0259\u015fdir\u0259n ba\u011flay\u0131c\u0131 rolunu oynay\u0131r. Tipik n\u00fcmun\u0259l\u0259rin t\u0259rkibi t\u0259xmin\u0259n 70\u201380% SiC v\u0259 20\u201330% Si\u2083N\u2084 olur. Nitridl\u0259\u015fm\u0259 zaman\u0131 q\u0131salma az oldu\u011fundan, dig\u0259r keramikalardak\u0131 kimi \u0259yilm\u0259 probleml\u0259ri olmadan b\u00f6y\u00fck l\u00f6vh\u0259l\u0259r, k\u0259rpicl\u0259r v\u0259 m\u00fcr\u0259kk\u0259b formal\u0131 \u0259\u015fyalar haz\u0131rlamaq m\u00fcmk\u00fcnd\u00fcr.<\/p>\n
<\/p>\n
S\u0131xl\u0131q ad\u0259t\u0259n 2,6\u20132,8 g\/sm\u00b3 aral\u0131\u011f\u0131nda olur. Standart n\u00f6vl\u0259rd\u0259 a\u00e7\u0131q porozitet tez-tez 12\u201317% civar\u0131ndad\u0131r. Bu porozitet insanlar\u0131n ilk yanl\u0131\u015f ba\u015fa d\u00fc\u015fd\u00fcy\u00fc m\u0259qamd\u0131r. Bu, \u00f6z-\u00f6zl\u00fcy\u00fcnd\u0259 q\u00fcsur deyil. M\u0259hz buna g\u00f6r\u0259 material tam s\u0131x cismin \u00e7atlamas\u0131na s\u0259b\u0259b olacaq termal \u015foka davam g\u0259tir\u0259 bilir v\u0259 soba arabas\u0131nda reaksiya il\u0259 birl\u0259\u015fdirilmi\u015f SiC-d\u0259n y\u00fcng\u00fcld\u00fcr. B\u0259zi m\u00fcasir n\u00f6vl\u0259r yenid\u0259n bi\u015firilir v\u0259 ya s\u0259th g\u00f6zenekl\u0259rini silika qatar\u0131 il\u0259 ba\u011flamaq \u00fc\u00e7\u00fcn formala\u015fd\u0131r\u0131l\u0131r. Onlar s\u00fcng\u0259rd\u0259n daha \u00e7ox m\u00f6h\u00fcrl\u0259nmi\u015f refrakter kimi davran\u0131rlar.<\/p>\n
M\u00fcqavim\u0259ti s\u0131x SiSiC-d\u0259n a\u015fa\u011f\u0131d\u0131r. Otaq temperaturunda q\u0131r\u0131lma modulu adi sobada v\u0259 refrakter sinifl\u0259rd\u0259 onlarla MPa ola bil\u0259r, reaksiya il\u0259 birl\u0259\u015fdirilmi\u015f \u015f\u00fcalar \u00fc\u00e7\u00fcn e\u015fitdiyiniz 250 MPa deyil. \u018fsas m\u0259qam temperaturda ba\u015f ver\u0259nl\u0259rdir. Nitridl\u0259 birl\u0259\u015fdirilmi\u015f silikon karbid, reaksiya il\u0259 birl\u0259\u015fdirilmi\u015f SiC-d\u0259 s\u0259rb\u0259st silikon yum\u015falma\u011fa ba\u015flad\u0131\u011f\u0131 n\u00f6qt\u0259d\u0259n xeyli yuxar\u0131 y\u00fckda\u015f\u0131ma qabiliyy\u0259tini qoruyur. Praktiki xidm\u0259t temperaturu ad\u0259t\u0259n atmosfer, y\u00fck v\u0259 material\u0131n inc\u0259 s\u00fcrt\u00fcnm\u0259 t\u00f6km\u0259 b\u0259d\u0259ni yoxsa daha kobud s\u0131x\u0131lm\u0131\u015f k\u0259rpic olmas\u0131 kimi amill\u0259rd\u0259n as\u0131l\u0131 olaraq 1450\u20131600 \u00b0C diapazonunda g\u00f6st\u0259rilir. Y\u00fck\u0259 davaml\u0131l\u0131\u011f\u0131 yoxlamadan marketinq r\u0259q\u0259mini ir\u0259li s\u00fcrs\u0259niz, yen\u0259 d\u0259 l\u00f6vh\u0259 \u0259yil\u0259c\u0259k.<\/p>\n
Termik ke\u00e7iricilik cordierit v\u0259 mullitl\u0259 m\u00fcqayis\u0259d\u0259 yax\u015f\u0131d\u0131r, ad\u0259t\u0259n s\u0131x RBSiC-d\u0259n a\u015fa\u011f\u0131d\u0131r. Gen\u0259lm\u0259 azd\u0131r. Bu kombinasiya v\u0259 nitrit ba\u011f\u0131 mebell\u0259rin istil\u0259nm\u0259 v\u0259 soyudulma zaman\u0131 bazar ert\u0259si nazik \u00e7at yaranmaq \u0259v\u0259zin\u0259 sa\u011f qalmas\u0131n\u0131n s\u0259b\u0259bidir.<\/p>\n
Kimy\u0259vi c\u0259h\u0259td\u0259n o, bir \u00e7ox s\u0259naye atmosferl\u0259rind\u0259 dayan\u0131ql\u0131d\u0131r. \u018frim\u0131\u015f al\u00fcminium v\u0259 kriolit m\u0259\u015fhur n\u00fcmun\u0259dir: nitridl\u0259 birl\u0259\u015fdirilmi\u015f SiC reduksiya h\u00fcceyr\u0259l\u0259rind\u0259 yan divar material\u0131 kimi se\u00e7ildi, \u00e7\u00fcnki karbon yan\u0131rd\u0131 v\u0259 oksid k\u0259rpic uzun\u00f6m\u00fcrl\u00fc deyildi. O, h\u0259m\u00e7inin a\u015f\u0131nmaya, bir \u00e7ox c\u00fcruflara v\u0259 siklonlardak\u0131 \u00e7irkli qazlara gil ba\u011flanm\u0131\u015f SiC k\u0259rpicind\u0259n daha yax\u015f\u0131 d\u00f6z\u00fcr. O, \u00f6l\u00fcms\u00fcz deyil. G\u00fccl\u00fc q\u0259l\u0259yl\u0259r, qal\u0131q s\u0259rb\u0259st silisiumla z\u0259if nitritl\u0259\u015fm\u0259 v\u0259 isti \u00fczl\u00fcnd\u0259 s\u0259hl\u0259nkar oksidl\u0259\u015fm\u0259 h\u0259l\u0259 d\u0259 onu korlayacaq.<\/p>\n
Kiln mebeli g\u00fcnd\u0259lik i\u015fdir. Sanitariya \u0259\u015fyalar\u0131, s\u00fcfr\u0259 qablar\u0131, elektrik porselan\u0131 v\u0259 texniki keramika \u00fc\u00e7\u00fcn battlar, platalar, seterl\u0259r, s\u00fctunlar v\u0259 \u015f\u00fcalar. Kordyeritl\u0259 m\u00fcqayis\u0259d\u0259 sobada daha y\u00fcks\u0259k temperatur, daha yax\u015f\u0131 y\u00fck, daha nazik k\u0259sikl\u0259r v\u0259 daha az \u00f6l\u00fc k\u00fctl\u0259 \u0259ld\u0259 edirsiniz. Bu son m\u0259qam poeziya deyil. Az yanacaq d\u0259st\u0259yi k\u00fctl\u0259si daha \u00e7ox m\u0259hsul v\u0259 h\u0259r d\u00f6vrd\u0259 daha az yanacaq dem\u0259kdir.<\/p>\n
Al\u00fcminium is\u0259 dig\u0259r b\u00f6y\u00fck evdir. Pot x\u0259tl\u0259rind\u0259ki yan divar bloklar\u0131 termal ke\u00e7iricilik, mexaniki m\u00f6hk\u0259mlik v\u0259 hamam kimyas\u0131 m\u00fcqavim\u0259ti t\u0259l\u0259b edir. NSiC bu i\u015fi zavodlar\u0131n q\u0259bul ed\u0259 bil\u0259c\u0259yi x\u0259rcl\u0259 yerin\u0259 yetirir. A\u00e7\u0131q soban\u0131n a\u015fa\u011f\u0131 baca zonas\u0131, tullant\u0131dan enerjiy\u0259 \u00e7evir\u0259n a\u015f\u0131nma zonalar\u0131 v\u0259 m\u0259d\u0259n\u00e7ilikd\u0259 v\u0259 ya enerji sah\u0259sind\u0259 siklon astarlar\u0131 eyni m\u0259ntiq\u0259 \u0259saslan\u0131r: s\u0259rt SiC d\u0259n\u0259si, istiliy\u0259 davaml\u0131 ba\u011flay\u0131c\u0131 v\u0259 k\u0259rpic v\u0259 ya t\u00f6km\u0259 par\u00e7a \u015f\u0259klind\u0259 qura\u015fd\u0131r\u0131la bil\u0259n forma.<\/p>\n
A\u015f\u0131nma hiss\u0259l\u0259ri \u2014 plit\u0259l\u0259r, nozullar, nasos hiss\u0259l\u0259ri \u2014 isti v\u0259 a\u015f\u0131nd\u0131r\u0131c\u0131 m\u00fchitd\u0259 \u00f6z\u00fcn\u00fc g\u00f6st\u0259rir, lakin reaksiya il\u0259 birl\u0259\u015fdirilmi\u015f SiC-nin dem\u0259k olar ki, s\u0131f\u0131ra yax\u0131n porozitetin\u0259 ehtiyac\u0131n\u0131z yoxdursa. \u018fg\u0259r slan soyuqdursa v\u0259 yegan\u0259 d\u00fc\u015fm\u0259n s\u00fcr\u00fc\u015fm\u0259 a\u015f\u0131nmas\u0131d\u0131rsa, s\u0131x SiSiC astar ad\u0259t\u0259n daha uzun\u00f6m\u00fcrl\u00fc olur. \u018fg\u0259r d\u00fc\u015fm\u0259n istilik, a\u015f\u0131nma v\u0259 termal sikll\u0259\u015fm\u0259dirs\u0259, NSiC a\u011f\u0131ll\u0131 se\u00e7im kimi g\u00f6r\u00fcn\u00fcr.<\/p>\n
Reaksiya il\u0259 birl\u0259\u015fdirilmi\u015f silikon karbid daha s\u0131x, daha m\u00f6hk\u0259m v\u0259 daha b\u0259rkidir. O, t\u0259xmin\u0259n 1350\u20131380 \u00b0C-d\u0259n a\u015fa\u011f\u0131 temperaturlarda m\u00fck\u0259mm\u0259l \u015f\u00fcalar, rulonlar v\u0259 d\u0259qiq a\u015f\u0131nma hiss\u0259l\u0259ri istehsal edir. Bu h\u0259dd\u0259n yuxar\u0131 is\u0259 s\u0259rb\u0259st silisium h\u00f6kmranl\u0131q edir. NSiC-nin mikrostrukturunda metal hovuzu olmad\u0131\u011f\u0131ndan o, daha y\u00fcks\u0259k temperaturda i\u015fl\u0259m\u0259y\u0259 davam edir. H\u0259m\u00e7inin n\u0259h\u0259ng bloklara silisium infiltrasiya etm\u0259yin m\u0259nas\u0131 olmayan iri refrakter formalar \u00fc\u00e7\u00fcn praktik se\u00e7imdir.<\/p>\n
Rekristalla\u015fd\u0131r\u0131lm\u0131\u015f SiC b\u0259zi soba atmosferl\u0259rind\u0259 daha y\u00fcks\u0259k temperaturlara d\u00f6z\u00fcr v\u0259 daha t\u0259miz qal\u0131r, lakin daha g\u00f6zenekli v\u0259 ad\u0259t\u0259n z\u0259if olur. Oksid-ba\u011fl\u0131 SiC daha ucuzdur v\u0259 istilik m\u00f6hk\u0259mliyi il\u0259 z\u0259rb\u0259y\u0259 davaml\u0131l\u0131qda geri qal\u0131r. Sinterl\u0259nmi\u015f SiC is\u0259 premium s\u0131x qohumdur v\u0259 qiym\u0259ti d\u0259 ona uy\u011fun olur. NSiC o diapazonda yerl\u0259\u015fir ki, m\u00fc\u0259ssis\u0259l\u0259r laboratoriya keramika almadan b\u00f6y\u00fck par\u00e7alarda SiC performans\u0131na ehtiyac duyurlar.<\/p>\n
Natamam nitrl\u0259m\u0259 s\u0259ssiz qatildir. Bir blok xaricd\u0259n m\u00fck\u0259mm\u0259l g\u00f6r\u00fcn\u0259 bil\u0259r v\u0259 qal\u0131q silikonu v\u0259 ya z\u0259if n\u00fcv\u0259ni gizl\u0259d\u0259 bil\u0259r. Al\u00fcminium h\u00fcceyr\u0259sind\u0259 bu erk\u0259n korroziyaya s\u0259b\u0259b olur. Tand\u0131r l\u00f6vh\u0259sind\u0259 is\u0259 s\u0259thi tozland\u0131ran v\u0259 m\u00f6hk\u0259mliyi azaldan oksidl\u0259\u015fm\u0259y\u0259 \u00e7evrilir. G\u00f6zenekli b\u0259d\u0259nd\u0259ki n\u0259mlik v\u0259 sonra s\u00fcr\u0259tli bi\u015firm\u0259 is\u0259 ba\u015fqa bir klassik n\u00fcmun\u0259dir. Buxar sizin istehsal c\u0259dv\u0259liniz\u0259 m\u0259h\u0259l qoymur.<\/p>\n
\u0130nsanlar h\u0259m\u00e7inin y\u00fcks\u0259k temperaturda s\u0131x d\u00fc\u015f\u00fcnc\u0259ni g\u00f6zenekli sinf\u0259 t\u0259tbiq edirl\u0259r. NSiC m\u00f6h\u00fcrl\u00fc boru deyil. \u018fg\u0259r atmosfer i\u00e7\u0259ri daxil ola bil\u0259rs\u0259, oksidl\u0259\u015fm\u0259 v\u0259 kondensat kimyas\u0131 vacibdir. V\u0259 \u0259g\u0259r t\u0259tbiq orta temperaturda y\u00fcks\u0259k s\u00fcr\u0259tli slurrydirs\u0259, ehtiyac\u0131n\u0131z olmayan termal \u015fok s\u0131\u011fortas\u0131n\u0131 alm\u0131\u015f ola bil\u0259rsiniz.<\/p>\n
\u201cSiC k\u0259rpic\u201d g\u00f6nd\u0259rib \u00fcmid etm\u0259yin. Onu nitridl\u0259 birl\u0259\u015fdirilmi\u015f adland\u0131r\u0131n. Zirv\u0259 temperaturunu, atmosferi, y\u00fck\u00fc, d\u00f6vr m\u00fcdd\u0259tini v\u0259 kimy\u0259vi t\u0259rkibi \u2014 al\u00fcminium vannas\u0131, q\u0259l\u0259vi buxar, u\u00e7u\u015f k\u00fcl\u00fc, glazur damc\u0131lar\u0131, hiss\u0259y\u0259 faktiki toxunan h\u0259r n\u0259 varsa \u2014 g\u00f6st\u0259rin. S\u0131xl\u0131q, g\u00f6r\u00fcn\u0259n m\u0259sam\u0259lilik, isti \u00e7atlama modulu v\u0259 qal\u0131q s\u0259rb\u0259st silikon g\u00f6st\u0259ricil\u0259rini soru\u015fun. Soban\u0131n aksesuarlar\u0131 \u00fc\u00e7\u00fcn is\u0259 par\u00e7an\u0131n slip-cast inc\u0259 d\u0259n\u0259li, yoxsa kobud presl\u0259nmi\u015f olub-olmad\u0131\u011f\u0131n\u0131 \u00f6yr\u0259nin. Bu iki m\u0259hsul eyni c\u00fcr a\u015f\u0131nm\u0131r v\u0259 istiliyi eyni c\u00fcr \u00f6t\u00fcrm\u00fcr.<\/p>\n
Nitridl\u0259 birl\u0259\u015fdirilmi\u015f SiC materiald\u0131r ki, oksid mebell\u0259ri yorulduqda istifad\u0259 edirsiniz, reaksiya il\u0259 birl\u0259\u015fdirilmi\u015f SiC is\u0259 y\u00fcks\u0259k temperatur m\u0259hdudiyy\u0259tl\u0259rin\u0259 malikdir v\u0259 ya b\u00f6y\u00fck \u00f6l\u00e7\u00fcl\u0259rd\u0259 \u00e7ox bahal\u0131d\u0131r, v\u0259 zavod h\u0259l\u0259 d\u0259 i\u015fl\u0259m\u0259lidir. Bu, cazib\u0259dar deyil. Bu, sobadan d\u00fcz \u00e7\u0131xan l\u00f6vh\u0259, \u00e7\u00f6km\u0259y\u0259n yan divar v\u0259 son kampaniyadan sonra da qalacaq astard\u0131r. Sinifi v\u0259zif\u0259y\u0259 uy\u011fun t\u0259yin edin v\u0259 o, el\u0259 d\u0259 qalacaq.<\/p>","protected":false},"excerpt":{"rendered":"
Hotter Than RBSiC, Tougher Than the Old Bricks: A Practical Guide to Nitride Bonded Silicon Carbide Nitride bonded silicon carbide does not get the same attention as reaction bonded SiC or sintered SiC. That is fine. It is busy holding up kiln cars, lining aluminum cells, and taking abrasion that oxide-bonded brick cannot survive. I […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-54","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/nitridebondedsic.com\/az\/wp-json\/wp\/v2\/posts\/54","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nitridebondedsic.com\/az\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nitridebondedsic.com\/az\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nitridebondedsic.com\/az\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nitridebondedsic.com\/az\/wp-json\/wp\/v2\/comments?post=54"}],"version-history":[{"count":2,"href":"https:\/\/nitridebondedsic.com\/az\/wp-json\/wp\/v2\/posts\/54\/revisions"}],"predecessor-version":[{"id":56,"href":"https:\/\/nitridebondedsic.com\/az\/wp-json\/wp\/v2\/posts\/54\/revisions\/56"}],"wp:attachment":[{"href":"https:\/\/nitridebondedsic.com\/az\/wp-json\/wp\/v2\/media?parent=54"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nitridebondedsic.com\/az\/wp-json\/wp\/v2\/categories?post=54"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nitridebondedsic.com\/az\/wp-json\/wp\/v2\/tags?post=54"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}