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???? ?????? ?????? WC ??? ???? ????? ?? ????? ????? ???????? ???? ??? ??? ????? ?????? ?? ???????. ??? ??? ???? ?????? ???? ???? ????? ?????? submicron ???????? ????? WC ?????? ??? ???? ?????. ????? ??????? ?????????? ???? ??? ?? ???? ????? ???? ????? ??????? ????? ???????? ???????. ??????????
?????? ??????? ??????? ?? ????? ?????? ???? ?????? ?????? ?? ????? ?????. ??????????
??????? ????? ??? WO3 ????? ?? ??? ?????? ?? ????? ??????? ???????? ?????? WO3 ?? APT (??? AMT) ???? ?????????. ??? ??????? ?? ??? ????? ??????. ??????????
??????? ????? ????? ?? ????? WO3 ? 16.5 ????? ??????? ?????? ???? 1 ???? ?? ?????? Hensell. ???? ????? ?????? ????? ?? ????? ?????? ?????? (1.2 ??) ???? ?? ??? 3RD ???????? (??????? & lt? 0.1? H2O). ???? ????? ??????? ?? ??? ??? ???? ?????? ??????? ?? ???? ??? ?????? ?? ???? ????????. ??????????
??????? ??? ?????? ??: ?????? ????? ??????? 1-??????????? 1350 ℃ (????). ??????? ???? 2-??????????? 1650 ℃ (?????). ??????????
??????? ?????????? ?? ???? ??????? ????? ?? ??? ???????? ???????? ??? WO2 ?????? (OH) 2. ?????? ?? ??? ??? ?????: WO3 → (WO2.9) → → WO2.72 WO2 → W → → W2C WC. ????? ???????? ???? ???? WO2.72 needlelike ????? ??? ??? WO2 ??????? ?????? ????? ????? ??? ???? ?? WC ?? ???? ?? ??? ?????. ?????? ????? ??????? (????? 6.13? ?????? C)? ??????? ????? ?????? ??????? ????? ??? ?????? ?? ???? ????? ????? ?? ???????. ??????????
????? ?????? ??????? (Cr3C2 ???? ?? undoped) ????? ????? ??? ???????? ???? ?????? ????? ??? 3.0 ? 3.5cm2 ? ?-1. ??? ???????? ??????? ?????? ??? 0.15um.
??? ??? ???? ?? ????? ?? ????? ????? ????????? ??? ????? ?? ??????? ??? ?? ???? ?????? ??????????: sales@chinatungsten.com or by telephone: +86 592 5129696.
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