Warshad Iibinaysa Shiineeys Silikoon Carbide Sisic Shiidi Foosto Qaab Sic ah oo loogu talagalay Shiidida Warshadda

Sharaxaad Gaaban:


  • Meesha Asalka ah:Shiinaha
  • Qaab-dhismeedka Crystal:Marxaladda FCCβ
  • Cufnaanta:3.21 g/cm;
  • Adkaanta:2500 Vickers;
  • Cabbirka Badarka:2 ~ 10μm;
  • Nadiifinta Kiimikada:99.99995%;
  • Awoodda Kulaylka:640J·kg-1·K-1;
  • Heerkulka Sublimation:2700℃;
  • Xoogga Feexural-ka:415 Mpa (RT 4-Dhibcood);
  • Modulus-ka Young:430 Gpa (4pt laab, 1300℃);
  • Ballaarinta Kulaylka (CTE):4.5 10-6K-1;
  • Qaboojinta Kulaylka:300 (W/MK);
  • Faahfaahinta Badeecada

    Calaamadaha Alaabta

    Waxa kaliya ee aan sameyno had iyo jeer waa la xiriira mabda'ayada "Macmiilka marka hore, Kalsooni ku qabo 1aad, u heellan baakadaha cuntada iyo ilaalinta deegaanka ee Warshadaha Iibinta ee Shiinaha ee Silicon Carbide Sisic Shiiding Foorno Qaabaysan oo loogu talagalay Mashiinka Shiidista, Waxaan si diirran u soo dhaweyneynaa macaamiisha, ururada ururada iyo asxaabta meel kasta oo adduunka ah si ay noola soo xiriiraan oo ay u codsadaan iskaashi si loo helo faa'iidooyin wadajir ah.
    Waxa kaliya ee aan sameyno had iyo jeer waa la xiriira mabaadi'dayada "Marka hore macmiilka, Kalsooni ku qabo 1aad, u heellan baakadaha cuntada iyo ilaalinta deegaanka eeShiinaha SAE1026 Tuubada Sharafta leh, S45c Tube la ShaandheeyayWax soo saarkeena waxaa loo dhoofiyay in ka badan 30 waddan iyo gobollo si ay u noqdaan ilo-dhaqaale oo qiimo jaban leh. Waxaan si daacad ah u soo dhaweyneynaa macaamiisha gudaha iyo dibaddaba inay noo yimaadaan si ay noola gorgortamaan ganacsiga.
    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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