"Iyada oo ku saleysan suuqa gudaha iyo ballaarinta ganacsiga dibadda" waa istaraatiijiyadeenna horumarinta ee Shiinaha Badeecada Cusub ee Qaybaha Baakadaha ah ee 88% Qiimaha Silicon Carbide Madow, Nagu kalsoonow, waxaad ka heli kartaa dawo wanaagsan warshadaha walxaha baabuurta.
"Iyada oo ku saleysan suuqa gudaha iyo ballaarinta ganacsiga dibadda" waa istaraatiijiyaddeenna horumarintaBudada Silikoon Madow ee Shiinaha iyo Kaarboohaydraytka Silikoon MadowWaxaan si diirran u soo dhaweyneynaa macaamiisha gudaha iyo dibadda si ay u soo booqdaan shirkaddayada oo ay u yeeshaan wadahadal ganacsi. Shirkaddayadu waxay had iyo jeer ku adkeysaneysaa mabda'a ah "tayo wanaagsan, qiimo macquul ah, adeeg heer sare ah". Waxaan diyaar u nahay inaan idinla dhisno iskaashi muddo dheer ah, saaxiibtinimo leh oo labada dhinacba faa'iido u leh.
Dahaarka CVD-SiC wuxuu leeyahay astaamo qaab-dhismeed isku mid ah, walxo isku dhafan, iska caabin heerkul sare, iska caabin oksaydh, daahirnimo sare, iska caabin aashito iyo alkali iyo falgal dabiici ah, oo leh sifooyin jireed iyo kiimiko oo deggan.
Marka la barbardhigo walxaha graphite-ka ee saafiga sare leh, graphite-ku wuxuu bilaabaa inuu oksaydheeyo 400C, taasoo sababi doonta luminta budada oksaydheynta awgeed, taasoo keenta wasakhowga deegaanka ee aaladaha durugsan iyo qolalka faakiyuumka, waxayna kordhisaa wasakhda deegaanka ee saafiga sare leh.
Si kastaba ha ahaatee, dahaarka SiC wuxuu ilaalin karaa xasilloonida jireed iyo kiimikada 1600 digrii. Waxaa si weyn loogu isticmaalaa warshadaha casriga ah, gaar ahaan warshadaha semiconductor-ka.
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. SIC-ga la sameeyay si adag ayuu ugu xiran yahay saldhigga garaafitka, isagoo siinaya sifooyin gaar ah saldhigga garaafitka, sidaas darteedna wuxuu ka dhigayaa dusha sare ee garaafitka mid is haysta, aan lahayn porosity, iska caabin heerkul sare, iska caabin daxaleed iyo iska caabin oksaydh.
Codsiga:
Astaamaha ugu muhiimsan:
1. Iska caabinta oksaydhka heerkulka sare:
Iska caabbinta oksaydhku wali aad bay u fiican tahay marka heerkulku gaaro 1700 C.
2. Nadiifnimo sare: waxaa lagu sameeyaa kaydka uumiga kiimikada iyadoo 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 Dahaadhka CVD-SIC:
| SiC-CVD | ||
| Cufnaanta | (g/cc)
| 3.21 |
| Xoogga dabacsanaanta | (Mpa)
| 470 |
| Ballaarinta kulaylka | (10-6/K) | 4
|
| Gudbinta kulaylka | (W/mK) | 300 |
Awoodda Bixinta:
10000 Xabbo/Xabbadood bishiiba
Baakadeynta iyo Gaarsiinta:
Baakad: Baakad Caadi ah oo Xoog leh
Bacda Poly + Sanduuqa + Kartoonka + Baaldiga
Dekedda:
Ningbo/Shenzhen/Shanghai
Waqtiga Hogaaminta:
| Tirada (Qaybaha) | 1 – 1000 | >1000 |
| Waqtiga la qiyaasay (maalmo) | 15 | In laga wada xaajoodo |
"Iyada oo ku saleysan suuqa gudaha iyo ballaarinta ganacsiga dibadda" waa istaraatiijiyadeenna horumarinta ee Shiinaha Badeecada Cusub ee Qaybaha Baakadaha ah ee 88% Qiimaha Silicon Carbide Madow, Nagu kalsoonow, waxaad ka heli kartaa dawo wanaagsan warshadaha walxaha baabuurta.
Badeecad Cusub oo Shiinaha ahBudada Silikoon Madow ee Shiinaha iyo Kaarboohaydraytka Silikoon MadowWaxaan si diirran u soo dhaweyneynaa macaamiisha gudaha iyo dibadda si ay u soo booqdaan shirkaddayada oo ay u yeeshaan wadahadal ganacsi. Shirkaddayadu waxay had iyo jeer ku adkeysaneysaa mabda'a ah "tayo wanaagsan, qiimo macquul ah, adeeg heer sare ah". Waxaan diyaar u nahay inaan idinla dhisno iskaashi muddo dheer ah, saaxiibtinimo leh oo labada dhinacba faa'iido u leh.
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