Waxaan leenahay koox iib ah oo noo gaar ah, koox naqshadeyn ah, koox farsamo, koox QC ah iyo koox baakado ah. Waxaan leenahay habraacyo xakameyn tayo oo adag oo loogu talagalay geeddi-socod kasta. Sidoo kale, dhammaan shaqaalaheenna waxay khibrad u leeyihiin daabacaadda qiimaha la soo sheegay ee Shiinaha ee u adkaysta heerkulka sare ee Cadaadiska Silicon Carbide ee Cagaaran Budada Abrasive ee Cadaadiska ah ee Silicon Carbide, faa'iidada iyo qanacsanaanta macaamiisha ayaa badanaa ah ujeeddadeenna ugu weyn. Xasuuso inaad nala soo xiriirto. Na sii fursad, na sii lama filaan.
Waxaan leenahay koox iib ah oo noo gaar ah, koox naqshadeyn, koox farsamo, koox QC ah iyo koox baakad. Waxaan leenahay habraacyo xakameyn tayo oo adag oo loogu talagalay geeddi-socod kasta. Sidoo kale, dhammaan shaqaalaheenna waxay khibrad u leeyihiin daabacaaddaKaarboohaydraytka Silikoon ee Shiinaha, SicWaa maxay qiimaha wanaagsan? Waxaan macaamiisha siinaa qiimaha warshadda. Iyada oo loo eegayo tayada wanaagsan, hufnaanta waa in fiiro gaar ah loo yeesho oo la ilaaliyo faa'iidada ku habboon ee hooseysa oo caafimaad qabta. Waa maxay keenista degdegga ah? Waxaan gaarsiinta u sameynaa iyadoo loo eegayo shuruudaha macaamiisha. In kasta oo waqtiga keenista uu ku xiran yahay tirada dalabka iyo kakanaanta, haddana waxaan isku daynaa inaan ku bixinno alaabada iyo xalalka waqtiga. Waxaan si daacad ah u rajeyneynaa inaan yeelan karno xiriir ganacsi oo muddo dheer ah.
Sharaxaadda Badeecada
Shirkaddayadu waxay bixisaa adeegyada habka dahaarka SiC iyadoo la adeegsanayo habka CVD ee dusha sare ee garaafitka, dhoobada iyo agabyada kale, si gaasaska gaarka ah ee ka kooban kaarboon iyo silikoon ay uga falceliyaan heerkulka sare si ay u helaan molecules-ka SiC ee saafiga ah, molecules-ka lagu shubo dusha sare ee agabka dahaarka leh, iyagoo sameeya lakab ilaalin SIC ah.
Astaamaha ugu muhiimsan:
1. Iska caabbinta oksaydhka heerkulka sare: iska caabbinta oksaydhka wali aad bay u fiican tahay marka heerkulku gaaro 1600 C.
2. Nadiifnimo sare: waxaa lagu sameeyaa kaydka uumiga kiimikada iyadoo lagu jiro xaalad koloriin heerkul sare leh.
3. Iska caabbinta nabaad-guurka: adkaansho sare, dusha sare oo is haysta, walxo yaryar.
4. Iska caabbinta daxalka: aashitada, alkali, milixda iyo walxaha dabiiciga ah.
Tilmaamaha ugu Muhiimsan ee Dahaarka CVD-SIC
| SiC-CVD Sifooyinka | ||
| Qaab-dhismeedka Crystal | Marxaladda FCC β | |
| Cufnaanta | g/cm ³ | 3.21 |
| Adkaanta | Adkaanshaha Vickers | 2500 |
| Cabbirka Badarka | μm | 2~10 |
| Nadiifinta Kiimikada | % | 99.99995 |
| Awoodda Kulaylka | J·kg-1 ·K-1 | 640 |
| Heerkulka Sublimation | ℃ | 2700 |
| Xoogga Felexural | MPa (RT 4-dhibcood) | 415 |
| Modulus-ka Young | Gpa (4pt laab, 1300℃) | 430 |
| Ballaarinta Kulaylka (CTE) | 10-6K-1 | 4.5 |
| Gudbinta kulaylka | (W/mK) | 300 |
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