Qara silikon karbid d\u0259qiq spesifikasiyalara uy\u011fun emal olunur. Yax\u0131ndan n\u0259zar\u0259t olunan fraksion t\u0259rkib v\u0259 hiss\u0259cik formas\u0131 sabit s\u0259th keyfiyy\u0259tini t\u0259min edir. Silikon karbid tozlar\u0131 bir ne\u00e7\u0259 a\u015f\u0131nd\u0131r\u0131c\u0131 z\u0259riflik \u00f6l\u00e7\u00fcs\u00fcnd\u0259 v\u0259 be\u015f, on v\u0259 ya iyirmi be\u015f funtluq miqdarda m\u00f6vcuddur. T\u0259l\u0259b olunduqda daha b\u00f6y\u00fck h\u0259cmd\u0259 d\u0259 sifari\u015f verm\u0259k m\u00fcmk\u00fcnd\u00fcr. O, t\u0259zyiqli p\u00fcsk\u00fcrtm\u0259d\u0259 geni\u015f istifad\u0259 olunur. Daha \u0259trafl\u0131 m\u0259lumat \u00fc\u00e7\u00fcn oxuma\u011fa davam edin. Siz h\u0259m\u00e7inin silikon karbid tozlar\u0131n\u0131n x\u00fcsusiyy\u0259tl\u0259ri v\u0259 sintezi haqq\u0131nda daha \u00e7ox m\u0259lumat \u0259ld\u0259 ed\u0259 bil\u0259rsiniz.<\/p>\n
Silikon karbid tozlar\u0131n\u0131n \u00f6l\u00e7\u00fc paylanmalar\u0131<\/p>\n
Bu m\u0259qal\u0259 silikon karbid tozunun \u00f6l\u00e7\u00fc paylanmalar\u0131n\u0131 t\u0259qdim edir. Bu material a\u015f\u0131nd\u0131rma \u00fcy\u00fcdm\u0259si \u00fcsulu il\u0259 haz\u0131rlanm\u0131\u015fd\u0131r. Son emal olunmu\u015f material\u0131n hiss\u0259cik \u00f6l\u00e7\u00fcs\u00fc 37 nm olmu\u015fdur. Daha sonra bu materiala karbon v\u0259 bor karbid \u0259lav\u0259 edil\u0259r\u0259k 2050 \u00b0C temperaturda t\u0259zyiqsiz sinterl\u0259nmi\u015fdir. Hiss\u0259cik \u00f6l\u00e7\u00fc paylanmalar\u0131 \u00f6t\u00fcr\u00fcc\u00fc elektron mikroskopu (TEM) il\u0259 m\u00fc\u0259yy\u0259n edilmi\u015fdir.<\/p>\n
SiC tozunun \u00f6l\u00e7\u00fc paylanmas\u0131 kristal\u0131n b\u00f6y\u00fcm\u0259si v\u0259 sublimasiya daxil olmaqla m\u00fcxt\u0259lif emal \u00fcsullar\u0131na t\u0259sir g\u00f6st\u0259rir. Bu material\u0131n d90 v\u0259 d10 \u00f6l\u00e7\u00fcl\u0259ri vacibdir, \u00e7\u00fcnki onlar b\u00f6y\u00fcm\u0259 interfeysini, maksimum qabla\u015fd\u0131rma s\u0131xl\u0131\u011f\u0131n\u0131 v\u0259 termal sabitliyi m\u00fc\u0259yy\u0259n edir. Lakin silikon karbid tozunun orta hiss\u0259cik diametri y\u00fcks\u0259k, d90 d\u0259y\u0259ri is\u0259 a\u015fa\u011f\u0131d\u0131r v\u0259 buna g\u00f6r\u0259 d\u0259 d10 d\u0259y\u0259ri daha a\u015fa\u011f\u0131d\u0131r.<\/p>\n
Yuxar\u0131dak\u0131 n\u0259tic\u0259l\u0259r g\u00f6st\u0259rir ki, m\u00fcxt\u0259lif \u00f6l\u00e7\u00fcl\u00fc silikon karbid tozlar\u0131n\u0131n qar\u0131\u015f\u0131\u011f\u0131 \u00e7ap olunmu\u015f hiss\u0259nin s\u0131xl\u0131\u011f\u0131n\u0131 art\u0131ra bil\u0259r. \u018fvv\u0259lki t\u0259dqiqatlarda qar\u0131\u015f\u0131q toz xammal\u0131 s\u0131naq-yan\u0131lma \u00fcsulu il\u0259 haz\u0131rlanm\u0131\u015fd\u0131. Cari t\u0259dqiqatda qar\u0131\u015f\u0131q toz xammal\u0131n\u0131 haz\u0131rlamaq \u00fc\u00e7\u00fcn eksperimental v\u0259 modell\u0259\u015fdirm\u0259 \u00fcsullar\u0131ndan istifad\u0259 olunub. \u0130ki f\u0259rqli \u00f6l\u00e7\u00fcl\u00fc silikon karbid tozlar\u0131n\u0131n qar\u0131\u015fd\u0131r\u0131lmas\u0131 il\u0259 ikimodal toz haz\u0131rlanm\u0131\u015fd\u0131r. Bu tozlar\u0131n s\u0131xl\u0131\u011f\u0131 \u00f6l\u00e7\u00fclm\u00fc\u015f v\u0259 ikimodal qar\u0131\u015f\u0131qdan istifad\u0259 ed\u0259r\u0259k silikon karbid l\u00f6vh\u0259l\u0259r \u00e7ap olunub.<\/p>\n
BET v\u0259 SEM \u00fcsullar\u0131 il\u0259 \u0259ld\u0259 olunan SiC tozunun \u00f6l\u00e7\u00fc paylanmalar\u0131n\u0131n m\u00fcqayis\u0259si g\u00f6st\u0259rdi ki, bu n\u00fcmun\u0259l\u0259rd\u0259ki SSA d\u0259y\u0259rl\u0259ri q\u0259bul edil\u0259 bil\u0259n h\u0259dl\u0259r daxilind\u0259dir. \u0130ki y\u00fcks\u0259k saf b-SiC tozunun SSA d\u0259y\u0259rl\u0259ri 25\/75 diapazonunda simmetrik oldu\u011fu m\u00fc\u0259yy\u0259n edildi. Bundan \u0259lav\u0259, onlar hesablanm\u0131\u015f SSA d\u0259y\u0259rl\u0259ri il\u0259 yax\u015f\u0131 uy\u011funluq g\u00f6st\u0259rdi: 25\/75 t\u0259rkibi \u00fc\u00e7\u00fcn 48 m2\/g v\u0259 75\/25 t\u0259rkibi \u00fc\u00e7\u00fcn 33,9 m2\/g.<\/p>\n
SIKA tozu vahid hiss\u0259cik \u00f6l\u00e7\u00fcs\u00fc g\u00f6st\u0259rs\u0259 d\u0259, FAU n\u00fcmun\u0259si m\u00fcxt\u0259lif \u00f6l\u00e7\u00fc paylanmalar\u0131 n\u00fcmayi\u015f etdirir. \u018fksin\u0259, FAU tozu ki\u00e7ik, konveks v\u0259 iri hiss\u0259cikl\u0259rd\u0259n ibar\u0259t ayd\u0131n nax\u0131\u015f g\u00f6st\u0259rdi. \u0130ri hiss\u0259cikl\u0259rin s\u0131xl\u0131\u011f\u0131 ki\u00e7ik hiss\u0259cikl\u0259rinkind\u0259n y\u00fcks\u0259k idi. Bu s\u0131xl\u0131q f\u0259rqi qabla\u015fd\u0131rma s\u0131xl\u0131\u011f\u0131ndak\u0131 f\u0259rqd\u0259n ir\u0259li g\u0259lir. Buna baxmayaraq, SIKA xammal\u0131 \u0259vv\u0259lkind\u0259n daha \u00e7ox toz istehlak etdi.<\/p>\n
Silisium karbid tozlar\u0131n\u0131n \u00f6l\u00e7\u00fc paylanmalar\u0131 bir ne\u00e7\u0259 f\u0259rql\u0259 xarakteriz\u0259 olunur. SIKA tozu sonuncudan daha hamar morfoloji ke\u00e7id n\u00fcmayi\u015f etdirir. Lakin SIKA tozu termal \u015foka davam g\u0259tirm\u0259y\u0259 v\u0259 \u00fcst b\u00f6y\u00fcm\u0259 interfeysin\u0259 uy\u011funla\u015fma\u011fa daha \u00e7ox meyllidir. Bu f\u0259rq toxum v\u0259 m\u0259nb\u0259 tozu aras\u0131ndak\u0131 karbon tozu qalxan\u0131n olmamas\u0131 il\u0259 izah olunur. Ancaq bu f\u0259rql\u0259r yaln\u0131z SIKA tozunun t\u0259tbiqinin n\u0259tic\u0259si deyil; isti zona dizayn\u0131nda edil\u0259n k\u0259nar d\u0259yi\u015fiklikl\u0259r bu fenomeni aradan qald\u0131ra bil\u0259r.<\/p>\n
Silikon karbid tozlar\u0131n\u0131n x\u00fcsusiyy\u0259tl\u0259ri<\/p>\n
Silikon karbid tozunun x\u00fcsusiyy\u0259tl\u0259ri onlar\u0131n t\u0259rkibi, \u00e7oxkristall\u0131 qurulu\u015fu v\u0259 \u0259m\u0259l\u0259g\u0259lm\u0259 \u00fcsulu il\u0259 m\u00fc\u0259yy\u0259n edilir. Silikon karbidin t\u0259k kristal\u0131 t\u0259rkibc\u0259 v\u0259 s\u0259rtlikc\u0259 alfa tiplidir. Silikon karbidin bir ne\u00e7\u0259 n\u00f6v\u00fc var. H\u0259r bir n\u00f6v\u00fcn \u00f6z\u00fcn\u0259m\u0259xsus x\u00fcsusiyy\u0259tl\u0259ri var, lakin ham\u0131s\u0131 a\u015f\u0131nd\u0131r\u0131c\u0131 hesab edilir. Silikon karbid tozlar\u0131na b\u0259zi n\u00fcmun\u0259l\u0259r a\u015fa\u011f\u0131dak\u0131lard\u0131r:<\/p>\n
Material\u0131n strukturu silindrikdir, xaricind\u0259 a-SiC v\u0259 b-SiC qatlar\u0131 var. Bu material ya\u015f\u0131l silikon karbid v\u0259 ya qara silikon karbid olub tozdan ingotlara q\u0259d\u0259r m\u00fcxt\u0259lif formalarda m\u00f6vcuddur. H\u0259r bir silikon karbid n\u00f6v\u00fc t\u0259tbiqin\u0259 g\u00f6r\u0259 emal olunur v\u0259 arzu olunan x\u00fcsusiyy\u0259tl\u0259ri \u0259ld\u0259 etm\u0259k \u00fc\u00e7\u00fcn \u00fcy\u00fcd\u00fcl\u0259 bil\u0259r. Fiziki v\u0259 kimy\u0259vi x\u00fcsusiyy\u0259tl\u0259rinin kombinasiyas\u0131 say\u0259sind\u0259 silikon karbid m\u00fcxt\u0259lif y\u00fcks\u0259k temperaturlu v\u0259 a\u015f\u0131nmaya davaml\u0131 t\u0259tbiql\u0259rd\u0259 istifad\u0259 \u00fc\u00e7\u00fcn \u0259lveri\u015fli materiald\u0131r.<\/p>\n
SiC kristallar\u0131 \u00fc\u00e7 m\u00fcxt\u0259lif polimorf n\u00f6v\u00fcnd\u0259n ibar\u0259tdir. Alfa silikon karbid beta silikon karbidd\u0259n daha y\u00fcks\u0259k temperaturlarda \u0259m\u0259l\u0259 g\u0259lir v\u0259 onun alt\u0131uclu kristal qurulu\u015fu Wurtzite-\u0259 b\u0259nz\u0259yir. Beta silikon karbid is\u0259 daha kristal qurulu\u015fa malikdir v\u0259 almazla ox\u015fard\u0131r. H\u0259r iki n\u00f6v istehsalda faydal\u0131d\u0131r, lakin alfa silikon karbidin az sayda kommersiya t\u0259tbiql\u0259ri var. Beta silikon karbid \u0259sas\u0259n katalizator d\u0259st\u0259yi \u00fc\u00e7\u00fcn istifad\u0259 olunur.<\/p>\n
Silikon karbid m\u00fcxt\u0259lif s\u0259nayel\u0259rd\u0259 geni\u015f t\u0259tbiq olunan \u00e7ox\u015fax\u0259li a\u015f\u0131nd\u0131r\u0131c\u0131 materiald\u0131r. S\u0259rtliyi say\u0259sind\u0259 a\u015f\u0131nd\u0131r\u0131c\u0131 emal \u00fc\u00e7\u00fcn \u0259la materiald\u0131r. O, h\u0259m\u00e7inin y\u00fcks\u0259k temperaturlara davam g\u0259tirir v\u0259 y\u00fcks\u0259k s\u0259viyy\u0259li avtomobil keramika diskl\u0259rind\u0259, zirehli jiletl\u0259rd\u0259 v\u0259 nasos mil m\u00f6h\u00fcrl\u0259rind\u0259 istifad\u0259 olunur. Silikon karbidin istilik ke\u00e7iriciliyi y\u00fcks\u0259kdir, bu da onu y\u00fcks\u0259k temperaturlu refrakterl\u0259rd\u0259 istifad\u0259y\u0259 ideal edir. H\u0259m\u00e7inin, silikon karbidin qiym\u0259ti t\u0259tbiq sah\u0259sin\u0259 g\u00f6r\u0259 d\u0259yi\u015fir.<\/p>\n
Ya\u015f\u0131l silisium karbid yar\u0131mke\u00e7iricil\u0259r \u00fc\u00e7\u00fcn d\u0259 faydal\u0131d\u0131r. Onun g\u0259rginliy\u0259 qar\u015f\u0131 y\u00fcks\u0259k m\u00fcqavim\u0259ti adi silisiumdan on d\u0259f\u0259 \u00e7oxdur. Bu, 1000 V-dan yuxar\u0131 sisteml\u0259rd\u0259 onu gallium nitridind\u0259n \u00fcst\u00fcn edir. Buna g\u00f6r\u0259 d\u0259 silisium karbid elektrik n\u0259qliyyat vasit\u0259l\u0259rind\u0259, g\u00fcn\u0259\u015f enerjisi inverterl\u0259rind\u0259 v\u0259 sensor sisteml\u0259rind\u0259 y\u00fcks\u0259k d\u0259y\u0259r\u0259 malikdir. \u018fg\u0259r yeni m\u0259hsul haz\u0131rlamaq v\u0259 ya k\u00f6hn\u0259 m\u0259hsul \u00fc\u00e7\u00fcn yeni bazar tapmaq ist\u0259yirsinizs\u0259, silisium karbid keramika ideal h\u0259ll ola bil\u0259r; h\u0259m\u00e7inin silisium karbidin qiym\u0259ti ucuz v\u0259 keyfiyy\u0259ti y\u00fcks\u0259kdir.<\/p>\n
XRD spektrometri silikon karbid tozlar\u0131n\u0131n atom strukturlar\u0131n\u0131n \u00f6yr\u0259nilm\u0259sin\u0259 imkan verir, n\u00fcmun\u0259nin strukturu v\u0259 t\u0259rkibini yax\u0131ndan ara\u015fd\u0131rma\u011fa \u015f\u0259rait yarad\u0131r. Al\u0259tin spektral ay\u0131rdetm\u0259 qabiliyy\u0259ti 1 sm\u207b\u00b9-dir, bu da a\u015fa\u011f\u0131 temperaturlarda bel\u0259 \u00f6l\u00e7m\u0259l\u0259r aparma\u011fa imkan verir. L\u00fcminesensiya v\u0259 Raman siqnallar\u0131 \u00fc\u00e7\u00fcn m\u00fcxt\u0259lif dal\u011fa uzunluqlar\u0131 istifad\u0259 olundu\u011fundan, bu ikisini ay\u0131rmaq vacibdir. Bundan \u0259lav\u0259, bu \u00fcsul m\u00fcxt\u0259lif n\u00fcmun\u0259l\u0259rin x\u00fcsusiyy\u0259tl\u0259rind\u0259ki f\u0259rql\u0259ri m\u00fc\u0259yy\u0259n etm\u0259y\u0259 qadirdir.<\/p>","protected":false},"excerpt":{"rendered":"
Qara silikon karbid d\u0259qiq spesifikasiyalara uy\u011fun emal olunur. Yax\u0131ndan n\u0259zar\u0259t olunan fraksion t\u0259rkib v\u0259 hiss\u0259cik formas\u0131 sabit s\u0259th keyfiyy\u0259tini t\u0259min edir. Silikon karbid tozlar\u0131 bir ne\u00e7\u0259 a\u015f\u0131nd\u0131r\u0131c\u0131 z\u0259riflik \u00f6l\u00e7\u00fcs\u00fcnd\u0259 v\u0259 be\u015f, on v\u0259 ya iyirmi be\u015f funtluq miqdarda m\u00f6vcuddur. Daha b\u00f6y\u00fck h\u0259cmd\u0259 sifari\u015f etm\u0259k m\u00fcmk\u00fcnd\u00fcr. Bu, t\u0259zyiqli p\u00fcsk\u00fcrtm\u0259d\u0259 geni\u015f istifad\u0259 olunur. Daha \u0259trafl\u0131 m\u0259lumat \u00fc\u00e7\u00fcn oxuma\u011fa davam edin. \u2026 Daha \u00e7ox oxu<\/a><\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-6","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/siliconcarbidepowders.com\/az\/wp-json\/wp\/v2\/posts\/6","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/siliconcarbidepowders.com\/az\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/siliconcarbidepowders.com\/az\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/siliconcarbidepowders.com\/az\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/siliconcarbidepowders.com\/az\/wp-json\/wp\/v2\/comments?post=6"}],"version-history":[{"count":4,"href":"https:\/\/siliconcarbidepowders.com\/az\/wp-json\/wp\/v2\/posts\/6\/revisions"}],"predecessor-version":[{"id":10,"href":"https:\/\/siliconcarbidepowders.com\/az\/wp-json\/wp\/v2\/posts\/6\/revisions\/10"}],"wp:attachment":[{"href":"https:\/\/siliconcarbidepowders.com\/az\/wp-json\/wp\/v2\/media?parent=6"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/siliconcarbidepowders.com\/az\/wp-json\/wp\/v2\/categories?post=6"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/siliconcarbidepowders.com\/az\/wp-json\/wp\/v2\/tags?post=6"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}