[Nuqul] Foornooyinka silikoon carbide & Alumina ee loo habeeyey oo u adkaysta xirashada, Dahaarka Dhoobada, foornada, saxannada, baloogyada, dahaarka, tuubooyinka
Taxanaha wax soo saarka ee leh saameynta xagasha iyo xoqidda
Xagal hoose iyo xoqid simbiriirixan
Marka qulqulka walxaha xoqan uu ku dhaco dusha sare ee xirashada xagal gacmeed ama uu barbar socdo, xoqidda simbiriirixanaysa ayaa dhici doonta.
Dhoobada silikoon ee horumarsan waxay u adeegi karaan sidii iska caabin xirasho iyo iska caabin daxalka foornada dhoobada iyo dahaarka. Alaabooyinkan waxaa la xaqiijiyay inay yihiin walxo waxtar leh oo loo isticmaalo gudbinta, farsamaynta, iyo kaydinta ee macdanta iyo aragtiyo kale. Dhumucda foornadayadu waxay u dhaxaysaa 8mm ilaa 45mm taasoo buuxin karta shuruudaha macaamiisha badankood.
Adkaanta Moh ee SiSiC waa 9.5, halka adkaanta New Moh ay tahay 13. Maaddadu waxay leedahay iska caabin aad u fiican oo ku wajahan nabaad-guurka iyo daxalka, xoqid aad u fiican - iska caabin iyo ka-hortagga oksaydhka. Waa 4 ilaa 5 jeer ka xoog badan carbide silicon ah oo ku xiran nitride. Cimriga adeeggu waa 5 ilaa 7 jeer ka dheer walxaha alumina. MOR ee RBSiC waa 5 ilaa 7 jeer ka dheer SNBSC, waxaa loo isticmaali karaa qaabab aad u adag. Dahaarka dhoobada ah ee u adkaysta xirashada ayaa ah mid gudbisa si loo hagaajiyo waxqabadka wax soo saarka iyo hufnaanta shaqada, iyo sidoo kale dhimista kharashyada dayactirka.
Dhoobada saxda ah waxay leeyihiin aqoon maaddi ah, khibrad la adeegsaday iyo xirfado injineernimo. Tani waxay si wax ku ool ah u hubin kartaa in xalalka ugu fiican la siiyo macaamiisheenna. Foornooyinka dhoobada ah ee silikoon carbide iyo dahaarka waxaa badanaa loo isticmaalaa codsiyada sida duufaannada, tuubooyinka, tuubooyinka, hoppers-ka, tuubooyinka, suunka gudbiyaha iyo nidaamyada wax soo saarka. Nidaamka dhexdiisa, waxaa jira walxo dhaqaaqaya oo dusha sare ka simbiriirixanaya. Marka shaygu ku simbiriirixanayo walxo, si tartiib tartiib ah ayuu qaybaha u xidhaa ilaa aysan waxba ka hadhin. Deegaannada xiran ee sare, tani waxay si joogto ah u dhici kartaa waxayna sababi kartaa dhibaatooyin badan oo qaali ah. Qaab-dhismeedka ugu weyn waxaa lagu hayaa iyadoo la isticmaalayo walxo aad u adag, sida dhoobada silikoon carbide iyo dhoobada alumina oo ah dahaar allabari ah. Isla mar ahaantaana, dhoobada silikoon carbide waxay u adkeysan kartaa xirasho dheer ka hor inta aan loo baahnayn in la beddelo, cimriga adeegga dhoobada silikoon carbide waa 5 ilaa 7 jeer ka dheer walxaha alumina.
Sifooyinka iyo Dahaarka ee Xargaha ee u Adkeysta Silicon Carbide:
U adkaysta kiimikada
Ku dahaaran koronto
Nabaad-guurka farsamada iyo adkeysiga xoqidda
La beddeli karo
Faa'iidooyinka Foornooyinka iyo Dahaarka Dharka ee u adkaysta Dhoobada:
Waxaa loo isticmaali karaa meelaha loo baahan yahay dulqaad adag ama dahaadh khafiif ah
Waxaa loo isticmaali karaa in dib loogu soo nooleeyo meelaha u nugul xirashada
Waxaa loo isticmaali karaa habab badan oo lagu dhejiyo sida alxanka iyo dhejiska
Loogu talagalay codsiyo gaar ah
Aad u adkaysi u leh daxalka
Xalka yareynta xirashada fudud
Waxay ilaalisaa qaybaha dhaqdhaqaaqa ee ku xiran jawiyada xirashada badan
Si weyn ayuu uga dheereeyaa oo uga fiican yahay xalalka yareynta xirashada
Heerkulka ugu badan ee isticmaalka aadka u sarreeya oo gaaraya 1380°C
Foornada Dahaarka Dhoobada ee Alumina
Agabka aasaasiga ah ee ResisTek ee "Dharka iska caabinta" waa oxide alumina ah oo aad u saafi ah (Alpha). Maanta dhoobada alumina ee 92% nadiif ah waa xalka ugu fiican marka la eego waxqabadka ilaalinta xirashada iyo kharashyada agabka. Si kastaba ha ahaatee, waxyaabaha kale ee alumina sida 95% iyo 99% daahirnimada badanaa waxaa sameeya macaamiishu iyadoo lagu saleynayo xaalado gaar ah, kuwaas oo u baahan daahirnimo sare, saameyn ama adkeysi codsigooda.

Astaamaha
Hanti wanaagsan oo u adkaysta xirashada iyo cimri dheer oo adeeg ah; dusha sare oo siman, isku-darka is-jiidjiid hooseeya, cufnaanta hoose iyo miisaanka fudud; u adkaysta dhammaan noocyada aashitada, alkali iyo cusbada; isku-darka ballaarinta kulaylka hooseeya iyo conductivity kulaylka, heerkulka hawlgalka wuxuu noqon karaa ilaa 1000 senti-degree.
Meelaha Codsiyada:
| • Nidaamyada shiididda | • Meelaha lagu isticmaalo Isku-darka |
| • nidaamyada kala-soocidda | • gudbiye silsilad ah |
| • duufaanno | • faafiye |
| • tuubooyin | • nidaamyada ka saarista boodhka dhuxusha, dambaska, iyo wasakhda |
| • tuubooyinka | • tuubooyinka dareeraha wasakhda ah |
| • Hooper | • Duufaanno heerkul sare leh |
| • Guryaha hawo-qaadayaasha | • dhirta milixda leh |
Shirkadda Shandong Zhongpeng Special Ceramics Co., Ltd waa mid ka mid ah xalalka ugu waaweyn ee walxaha cusub ee dhoobada ah ee silicon carbide ee Shiinaha. Dhoobada farsamada ee SiC: Adkaanshaha Moh waa 9 (adkeysiga New Moh waa 13), oo leh iska caabin aad u fiican oo ka dhan ah nabaad-guurka iyo daxalka, xoqid aad u fiican - iska caabin iyo ka-hortagga oksaydhka. Nolosha adeegga ee badeecada SiC waa 4 ilaa 5 jeer ka dheer 92% walxaha alumina. MOR ee RBSiC waa 5 ilaa 7 jeer ka badan SNBSC, waxaa loo isticmaali karaa qaabab badan oo adag. Habka xigashada waa mid degdeg ah, gaarsiintu waa sidii la ballanqaaday tayadana waa mid aan la barbar dhigi karin. Had iyo jeer waxaan ku adkaysannaa inaan ka hortagno yoolalkayaga oo aan qalbiyadeenna dib ugu celinno bulshada.
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