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??????? ????? (WC) ??? ?????? ????? ??????? ?????? ????? ????? ?? ????? ???? ??????? ?. ?????? ??????? ????? ???, ??????? ????? ????? ??? ???? ????? ?????, ??? ?? ???? ????? ???? ???? ?????? ?????? ??????? ?????????, ??? ?????, ??????, ???? ????? ????????, ????????.
????? ???? ??????? ??? ? ???? ????? ????? ???? ?????, ?? ????? ???? ?? ? 550 GPA, ???? ???? ???? ???? ????? ?? ???????. ?? ???? ?? ???????? ?? ???? ?????? ??? ???? ????? ????? ????? ?? ?????? ?? ????? ????? ???? ?????? ????? ????? ????????, ??? ???, ????? ?? ????, ??????, ????????.
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??????? ????? ????? ??? ????? ?????? ?????? ??????? ????? ???? ?? ?????? ?? ????? (???? ???? ?????, ?????, ??????? / ????? ?????? ???? ?? ????) ?????? ??? ????? ?? ??????. ??? ???? ???? ????? ????, ????? ?????, ????? ?? ?? ???? ?????? ?????????? ??????, ???? ???? ?????? ?????? ??????? ????? ?????. ??? ???? ???? ?????? ???????? ??? ?????? ????? ?? ????? 0ast ?? ?????? ???? ??.
???????? ?????? ??????? ????? ?????
???? ??? ??????? ????????? ???? ?? ??????? ?????, ??"? ?semicarbide ???????, W2C. ??? ???????? ?????? ????? ?????? ???????? ???????????? ?????? ????? ?? ???? ??????. ?????????? ?????? ??"? ?????? ???????? ????? ??? ???? ?????? ????? ????? ????????? ????? ????, ????, ???? ???? ??????? ????? ?????? ????? ?????? ??????. ????? ?? WC ????? ?500-600 ????? ??????. ??? ???? ???? ?????? ???? ??? ?? ?? ??? ??????? ????? ????????????? ????? / ???? ??? ????????? ???. ??? ???? ?? ?? ?????? ????????? ??? ????? ??? 400 ????? ??????, ???? ????-?????? H2 ?? ????? ????? ???. WC ?????? ????? ??? ???? ?????.
?????? ????????? ??????? ????? ?????
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??????? ????? ?? ????? ???? ????? ?2,870 ° C, ????? ????? ?? 6000 ????? ??????, ???? ??? ???? ??? ??? ?760mm ?? Hg, ??????? ????? ?? 84.02 W · m-1 · K-1, ????? ??????? ????? ?? 5.8 ???????? · m-1 · K-1. ??????? ????? ??? ??? ????, ????? ~ 9 ????? ???, ??? ???? ???? ?? 1,700-2,400. ?? ?? ??????? ?? ???? ??? ?? ? 550 GPA, ????? ??? ?? 439 GPA, ?????? ????? ?? 270 GPA. ?? ?? ??? ???? ???? ?????? ????"? 6800, ?? ???? ????? ?????????? ???? ????? ?? ?? 35 ???"?.
??????? ?? ?? ???? ??? ??? ?? ?? ??????? ????? ???? ??? 6220 ? '/ s.
?? ??????? ?????? ????? ??, ???????? ?? ??????? ????? ????? ??? ???? ??? ?? ??? ?????.
??"? ??? ????? ????? ?? ??? ??? ???? ?????? ??????. ?????? ?? ????? ???? ?? ????? WC-Co ???? ?? ??????? ?Co ?????? eutectic ?????? ??????.????? ???? ?? ???? ??? ?? ????? η-carbides ?? ???? (W, Co) 6C ????? ???????, ??????? ??????? ??? ?? ?????? ??? ????? ??? ??????? ????? ???? ?????? ???? WC-Co ??? ????.
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???????? ??????? ?? ????? ???:
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