??????? ???? ????
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??????? ????? (WC) ??? ?????? ??????? ????? (??????, ?????) ?????? ????? ????? ?? ??????? ??????? ????. ?????? ??????? ????? ???, ??????? ????? ??? ???? ????? ????, ??? ?? ???? ????? ???? ???? ?????? ?????? ??????? ?????????, ??? ?????, ??????, ???? ????? ????????, ????????.
??????? ????? ??? ? ???? ????? ????? ???? ?????, ?? ????? ???? ?? ? 550 GPA, ???? ???? ???? ???? ????? ?? ???????. ?? ???? ?? ???????? (α-Al2O3) ?? ???? ?????? ??? ???? ????? ????? ????? ?? ?????? ?? ????? ????? ???? ?????? ????? ????? ????????, ????? ?? ????, ??????, ????????.
??????? ????? ????
???? ??????? ????? ??? ?????? ??? ????? W ???????? ?????. ?? ???? ????? ????? ?????? ??? ????? ??? ??? ??????? ?????. ????? ?? ????? ????? ????? ????? ????? ????????????? - carburization ?? ???? ??????? - ????? ?? ????? ???? ????? ?? ??????? ???? ???? ????? ????? ?? ??????? (0.15-12μm). ?? ?????? ????? ?????? ????? ????? ???? ???? ???? ?? ???? ????.
?????? ?????? ?? carburisation ???? ????? ?? ???? ??????? ?????? ?? ???? ??????? ???? ?? ???? ???? ???? (????? ????? ?? ?????) ??????? ?????????? ???? 1,300 ? - 1,600 ° C ??????? ????.???????? ????? ?????? ???????? ???? ??????? ?? ???? ??????? ??????? ????? ?? ????? ????? ?? ????? ??"?.
???? ???? ????? ?? ???? ??"? ????? ???? ?????? ?? ???? Hardmetal ????? ??? ?? ????? ??????, ?????? ???? ?? stoichiometric ?stoichiometric (6.13% C) ???? ??? stoichiometric. ??? ?? ?? ??? ???? ???? ?????, ??? ?? ???? ?? ?????? ?????? ??????: ???? ????? ?? ???????, ??????? ???? ???????, ?????? ?????? (???????) ??????????.
????? ???????? ????? carburised ?"? (1,700-2,200 ????? ??????) ?? ???? ??? 10 ???? ?50μm, ??? ?????? ?? 5 ?????? 10μm ??????? ???? ??.???? ??????? ????????? ?????? ??? ???.
??????? ????? ???? ????? ????? ?????? ??? ????? hardmetals ?????? ????. ???? ?????? ?? ????? ?????, ??????? ????? ???? ?sintered. ??????? ????? sintered ??? ??? ??????? ????? ????? ??????? ????, ????? ?????? ????, ?????? ????? ????? ???? ?? ??????? ????? ?? ????? ??????? ???? ??????? ?????, ????? ??.
?? ?? ?? ????? ????? ??????? ?????, ?? ???? ????? ????? ????"? ?????:sales@chinatungsten.com ?? ??????: +86 592 5129696.
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