Iyada oo la adeegsanayo maamulkeenna wanaagsan, awooddeenna farsamo ee xooggan iyo habka maaraynta oo aad u wanaagsan, waxaan sii wadeynaa inaan macaamiisheenna siino qiimo tayo sare leh oo sumcad leh, qiimo iib oo macquul ah iyo bixiyeyaal wanaagsan. Waxaan higsaneynaa inaan ka mid noqono la-hawlgalayaashaada ugu kalsoonida badan oo aan ku kasbanno qanacsanaantaada Iibiyeyaasha Jumlada ee Wanaagsan ee Shiinaha Nadiifinta Abrasive iyo Sandblasting Silicon Carbide NanoSicIyada oo la adeegsanayo Hab-dhaqanka Kulaylka ee Wanaagsan, Hadafkayaga ugu dambeeya had iyo jeer waa inaan noqono shirkad heer sare ah iyo sidoo kale inaan hormuud ka noqono goobteena. Waxaan hubnaa in khibradeena wax soo saarka leh ee ku saabsan abuurista qalabka ay heli doonto kalsoonida macaamiisha, waxaan rajeyneynaa inaan iskaashi iyo iskaashi la yeelano muddo dheer oo ka sii wanaagsan!
Annagoo adeegsanayna maamul wanaagsan, awood farsamo oo xooggan iyo hab-raac adag oo aad u wanaagsan, waxaan sii wadeynaa inaan macaamiisheenna siino qiimo tayo sare leh oo macquul ah, qiimo iib oo macquul ah iyo bixiyeyaal wanaagsan. Waxaan higsaneynaa inaan ka mid noqono la-hawlgalayaashaada ugu kalsoonida badan oo aan kasbanno qanacsanaantaadaKaarboohaydraytka Silikoon ee Shiinaha, SicHadafkayagu waa "in aan macaamiisheenna u soo bandhigno alaabada iyo xalalka tallaabada koowaad iyo adeegga ugu wanaagsan, sidaas darteed waxaan hubnaa inaad yeelan doonto faa'iido faa'iido leh markaad nala shaqeyso". Haddii aad xiisaynayso mid ka mid ah alaabtayada ama aad rabto inaad ka hadasho dalab gaar ah, fadlan xor u noqo inaad nala soo xiriirto. Waxaan rajeyneynaa inaan xiriir ganacsi oo guuleysta la yeelanno macaamiisha cusub ee adduunka oo dhan mustaqbalka dhow.
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 caabinta oksaydhka heerkulka sare:
Iska caabbinta oksaydhku wali aad bay u fiican tahay marka heerkulku uu 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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