{"id":716,"date":"2026-10-11T21:20:22","date_gmt":"2026-10-11T13:20:22","guid":{"rendered":"https:\/\/siliconcarbide.net\/?p=716"},"modified":"2026-10-11T21:20:22","modified_gmt":"2026-10-11T13:20:22","slug":"nitridl%c9%99-birl%c9%99sdirilmis-silikon-karbid-niy%c9%99-8-12-ay-sonra-mohk%c9%99mliyini-itirir","status":"publish","type":"post","link":"https:\/\/siliconcarbide.net\/az\/why-nitride-bonded-silicon-carbide-lose-strength-after-8-12-months\/","title":{"rendered":"Nitridl\u0259 birl\u0259\u015fdirilmi\u015f silikon karbid niy\u0259 8\u201312 aydan sonra m\u00f6hk\u0259mliyini itirir?"},"content":{"rendered":"

Nitridl\u0259 birl\u0259\u015fdirilmi\u015f silikon karbid oksidl\u0259\u015fdirici atmosferd\u0259 8\u201312 aydan sonra niy\u0259 m\u00f6hk\u0259mliyini itirir?<\/strong><\/h1>\n

M\u0259n \u015eanxay v\u0259 \u0259traf\u0131ndak\u0131 keramika v\u0259 metallurgiya zavodlar\u0131nda y\u00fcks\u0259k temperaturlu avadanl\u0131qlarla on iki il i\u015fl\u0259mi\u015f\u0259m. Nitridl\u0259 birl\u0259\u015fdirilmi\u015f silikon karbidl\u0259 ba\u011fl\u0131 \u0259n davaml\u0131 probleml\u0259rd\u0259n biri odur ki, soban\u0131n r\u0259fl\u0259ri, l\u00f6vh\u0259l\u0259ri v\u0259 yerl\u0259\u015fdiricil\u0259ri yerl\u0259\u015fdirildikd\u0259 m\u00f6hk\u0259m g\u00f6r\u00fcn\u00fcr, lakin bir ne\u00e7\u0259 ay normal xidm\u0259td\u0259n sonra \u0259vv\u0259ll\u0259r problemsiz da\u015f\u0131d\u0131qlar\u0131 y\u00fckl\u0259r alt\u0131nda \u00e7atlama\u011fa v\u0259 ya \u0259yilm\u0259y\u0259 ba\u015flay\u0131r. \u018fks\u0259r operatorlar material\u0131n sad\u0259c\u0259 \u201ck\u00f6hn\u0259ldiyini\u201d v\u0259 ya bi\u015firm\u0259 d\u00f6vr\u00fcn\u00fcn \u00e7ox aqressiv oldu\u011funu d\u00fc\u015f\u00fcn\u00fcrl\u0259r. M\u0259nim i\u015fl\u0259diyim sah\u0259l\u0259rd\u0259 is\u0259 \u0259sas s\u0259b\u0259b s\u0259th temperaturda havaya m\u0259ruz qald\u0131qda nitrid ba\u011flanma fazas\u0131n\u0131n t\u0259dric\u0259n oksidl\u0259\u015fm\u0259sidir.<\/p>\n

Nitridl\u0259 birl\u0259\u015fdirilmi\u015f silisium karbid silisium karbid d\u0259n\u0259l\u0259rini bir arada saxlamaq v\u0259 hiss\u0259y\u0259 m\u00f6hk\u0259mlik v\u0259 termal \u015fok m\u00fcqavim\u0259ti verm\u0259k \u00fc\u00e7\u00fcn silisium nitrid matrisind\u0259n as\u0131l\u0131d\u0131r. Azald\u0131c\u0131 v\u0259 ya neytral m\u00fchitd\u0259 bu ba\u011f nisb\u0259t\u0259n sabit qal\u0131r. Soban\u0131n v\u0259 ya f\u0131r\u0131n\u0131n \u0259lav\u0259 hava il\u0259 i\u015fl\u0259m\u0259si \u2013 fasil\u0259li keramika bi\u015firm\u0259 v\u0259 ya b\u0259zi metal istilik m\u00fcalic\u0259si d\u00f6vrl\u0259rind\u0259 tez-tez rast g\u0259lin\u0259n \u2013 hallar\u0131nda oksigen nitrid\u0259 h\u00fccum edir. S\u0259thd\u0259 v\u0259 daha da \u0259h\u0259miyy\u0259tlisi d\u0259n\u0259 s\u0259rh\u0259dl\u0259rind\u0259 nazik silisium z\u0259ngin qat yaran\u0131r. Par\u00e7a q\u0259fil s\u0131radan \u00e7\u0131xm\u0131r; o, t\u0259dric\u0259n \u0259yilm\u0259 m\u00f6hk\u0259mliyini itirir v\u0259 istilik gradientl\u0259rin\u0259 daha h\u0259ssas olur. M\u0259n m\u00fcnt\u0259z\u0259m olaraq yeni vaxt\u0131 40 MPa-dan xeyli yuxar\u0131 \u00f6l\u00e7\u00fcl\u0259n l\u00f6vh\u0259l\u0259ri g\u00f6r\u00fcr\u0259m ki, 1200 \u00b0C il\u0259 otaq temperaturu aras\u0131nda g\u00fcnd\u0259lik 8\u201312 ayl\u0131q d\u00f6vr etdikd\u0259n sonra onlar\u0131n m\u00f6hk\u0259mliyi 20-l\u0259rin a\u015fa\u011f\u0131 s\u0259viyy\u0259l\u0259rin\u0259 enir.<\/p>\n

Praktiki n\u0259tic\u0259 iki c\u00fcr \u00f6z\u00fcn\u00fc g\u00f6st\u0259rir. Birincisi, r\u0259fl\u0259rd\u0259 k\u0259narlardan v\u0259 ya dayaq n\u00f6qt\u0259l\u0259rinin \u0259traf\u0131nda ba\u015flayan inc\u0259 \u00e7atlar yaran\u0131r v\u0259 onlar \u00f6z \u00e7\u0259kisi il\u0259 mal y\u00fck\u00fcn\u00fcn t\u0259siri alt\u0131nda yay\u0131l\u0131r. \u0130kincisi, g\u00f6r\u00fcn\u0259n \u00e7atlar yaranmazdan \u0259vv\u0259l bel\u0259 effektiv y\u00fckda\u015f\u0131ma qabiliyy\u0259ti azal\u0131r, buna g\u00f6r\u0259 operatorlar ya h\u0259r r\u0259f\u0259 qoyulan \u0259\u015fyalar\u0131n say\u0131n\u0131 azald\u0131r, ya da daha y\u00fcks\u0259k s\u0131n\u0131q nisb\u0259tl\u0259rini q\u0259bul edirl\u0259r. H\u0259r iki halda zavod mebell\u0259ri ilkin al\u0131\u015f hesablamalar\u0131nda n\u0259z\u0259rd\u0259 tutuldu\u011fundan daha tez \u0259v\u0259zl\u0259m\u0259li olur. Davaml\u0131 it\u0259l\u0259yici v\u0259 ya rulonlu sobalarla, daha s\u0131x atmosfer n\u0259zar\u0259ti olan zavodlar ad\u0259t\u0259n eyni sinifd\u0259n daha uzun \u00f6m\u00fcr \u0259ld\u0259 edir; \u015eanxay b\u00f6lg\u0259sind\u0259 geni\u015f yay\u0131lm\u0131\u015f fasil\u0259li partiya sobalar\u0131 is\u0259 problemi daha tez g\u00f6st\u0259rir, \u00e7\u00fcnki h\u0259r soyuma prosesi isti s\u0259thl\u0259r\u0259 t\u0259z\u0259 hava daxil olma\u011fa imkan verir.<\/p>\n

\u018fslind\u0259 par\u00e7alanman\u0131 l\u0259ngid\u0259n amil, ba\u011flanma fazas\u0131n\u0131 m\u0259hdudla\u015fd\u0131r\u0131c\u0131 faktor kimi q\u0259bul etdiyiniz zaman olduqca sad\u0259dir. Prosesin imkan verdiyi q\u0259d\u0259r pik temperaturu v\u0259 temperaturda qalma m\u00fcdd\u0259tini m\u00fcmk\u00fcn q\u0259d\u0259r a\u015fa\u011f\u0131 saxlay\u0131n; 1350 \u00b0C-d\u0259n yuxar\u0131 h\u0259r \u0259lav\u0259 50 \u00b0C qaytar\u0131lan hiss\u0259l\u0259rd\u0259 \u00f6l\u00e7d\u00fcy\u00fcm oksidl\u0259\u015fm\u0259 s\u00fcr\u0259tini n\u0259z\u0259r\u0259\u00e7arpacaq d\u0259r\u0259c\u0259d\u0259 art\u0131r\u0131r. Tand\u0131r dizayn\u0131 imkan verdikd\u0259, y\u00fcks\u0259k temperaturda saxlama zaman\u0131 q\u0131sa m\u00fcdd\u0259tli qaz bo\u015faltmas\u0131 v\u0259 ya azac\u0131q reduktiv atmosfer oksigenin qism\u0259n t\u0259zyiqini kifay\u0259t q\u0259d\u0259r azald\u0131r v\u0259 istifad\u0259nin \u00f6mr\u00fcn\u00fc bir ne\u00e7\u0259 ay uzad\u0131r. Mexaniki y\u00fckl\u0259m\u0259 d\u0259 eyni d\u0259r\u0259c\u0259d\u0259 vacibdir. Yaln\u0131z uclar\u0131nda dayaqlanan v\u0259 a\u011f\u0131r, b\u0259rab\u0259rsiz a\u015f\u0131nma y\u00fck\u00fc da\u015f\u0131yan nitritl\u0259 birl\u0259\u015fdirilmi\u015f SiC material\u0131n\u0131n alt s\u0259thind\u0259 daha y\u00fcks\u0259k dart\u0131lma g\u0259rginlikl\u0259ri yaran\u0131r; s\u0259th oksidl\u0259\u015fm\u0259 n\u0259tic\u0259sind\u0259 z\u0259ifl\u0259dikd\u0259 bu g\u0259rginlikl\u0259r \u00e7atlar\u0131n daha erk\u0259n yaranmas\u0131na s\u0259b\u0259b olur. \u00dc\u00e7 n\u00f6qt\u0259li v\u0259 ya davaml\u0131 daya\u011fa ke\u00e7m\u0259k, yaxud h\u0259r l\u00f6vh\u0259y\u0259 d\u00fc\u015f\u0259n maksimum y\u00fck\u00fc 15\u201320 % azaldmaq material sinifini d\u0259yi\u015fm\u0259d\u0259n tez-tez ilkin \u0259v\u0259zl\u0259m\u0259 interval\u0131n\u0131 b\u0259rpa edir.<\/p>\n

M\u0259n h\u0259m\u00e7inin qaytar\u0131lan l\u00f6vh\u0259l\u0259ri oksidl\u0259\u015fmi\u015f qat\u0131n qal\u0131nl\u0131\u011f\u0131na g\u00f6r\u0259 yoxlay\u0131ram. Bir ne\u00e7\u0259 y\u00fcz mikron qal\u0131nl\u0131\u011f\u0131nda vahid a\u00e7\u0131q boz s\u0259th filmi normald\u0131r; k\u0259narlarda lokal daha qal\u0131n qab\u0131q v\u0259 ya tozla\u015fma ad\u0259t\u0259n sobada isti n\u00f6qt\u0259nin olmas\u0131 v\u0259 ya t\u00f6vsiy\u0259 olunan h\u0259dd\u0259n yuxar\u0131 uzunm\u00fcdd\u0259tli m\u0259ruz qalma dem\u0259kdir. Atmosfer oxunu\u015flar\u0131n\u0131, maksimum r\u0259f y\u00fck\u00fcn\u00fc v\u0259 ilk \u00e7atlar g\u00f6r\u00fcnm\u0259zd\u0259n \u0259vv\u0259l ke\u00e7\u0259n d\u00f6vr say\u0131n\u0131 qeyd ed\u0259n fabrikl\u0259r ad\u0259t\u0259n eyni nitridl\u0259 birl\u0259\u015fdirilmi\u015f SiC \u00fcz\u0259rind\u0259 orta \u00f6mr\u00fc t\u0259xmin\u0259n 10 aydan 14\u201316 aya q\u0259d\u0259r uzada bilirl\u0259r. Orijinal s\u0131x y\u00fckl\u0259m\u0259 n\u00fcmun\u0259sini v\u0259 tam hava atmosferini saxlayanlar is\u0259 l\u00f6vh\u0259l\u0259ri daha q\u0131sa, daha baha ba\u015fa g\u0259l\u0259n c\u0259dv\u0259ll\u0259 \u0259v\u0259zl\u0259yir v\u0259 yeni d\u0259stin niy\u0259 \u0259vv\u0259lkind\u0259n daha uzun\u00f6m\u00fcrl\u00fc olmad\u0131\u011f\u0131n\u0131 d\u00fc\u015f\u00fcnm\u0259y\u0259 davam edirl\u0259r.<\/p>\n

Material\u0131n \u00f6z\u00fc ba\u011flanma fazas\u0131 qorunduqda uzunm\u00fcdd\u0259tli xidm\u0259t g\u00f6st\u0259rm\u0259y\u0259 qadirdir. Sah\u0259d\u0259 g\u00f6rd\u00fcy\u00fcm f\u0259rq dem\u0259k olar ki, he\u00e7 vaxt xammal keyfiyy\u0259tinin q\u0259fil d\u0259yi\u015fm\u0259si deyil; f\u0259rq ondan ibar\u0259tdir ki, zavod oksidl\u0259\u015fm\u0259ni v\u0259 y\u00fckl\u0259nm\u0259ni n\u0259zar\u0259t olunan d\u0259yi\u015f\u0259nl\u0259r kimi mi, yoxsa qa\u00e7\u0131lmaz fon \u015f\u0259raiti kimi q\u0259bul edir.<\/p>","protected":false},"excerpt":{"rendered":"

Why Nitride Bonded Silicon Carbide Lose Strength After 8\u201312 Months in Oxidizing Atmospheres I\u2019ve spent twelve years dealing with high-temperature equipment around Shanghai and the surrounding ceramics and metallurgy plants. One of the most consistent problems I see with nitride bonded silicon carbide is that the kiln shelves, plates, and setters look solid when they… <\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"off","neve_meta_content_width":70,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","ngg_post_thumbnail":0,"footnotes":""},"categories":[30],"tags":[],"class_list":["post-716","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\/716","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=716"}],"version-history":[{"count":1,"href":"https:\/\/siliconcarbide.net\/az\/wp-json\/wp\/v2\/posts\/716\/revisions"}],"predecessor-version":[{"id":717,"href":"https:\/\/siliconcarbide.net\/az\/wp-json\/wp\/v2\/posts\/716\/revisions\/717"}],"wp:attachment":[{"href":"https:\/\/siliconcarbide.net\/az\/wp-json\/wp\/v2\/media?parent=716"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/siliconcarbide.net\/az\/wp-json\/wp\/v2\/categories?post=716"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/siliconcarbide.net\/az\/wp-json\/wp\/v2\/tags?post=716"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}