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????? ????? Wollaston ?? ????? ???? ?????? ????? ?????? ???? ????? ?? ????? ???????? ???? (1808-1815), ????? ?????? ??????? ?? WDCoolidge ?? ?????? ?? ???? ??????? ???? ?1909-1913 ?????? ?? ?????? ????? ?????. ????? ?????, ?? ??? ??????? ????? ?????? ???????? ?? ???? ???????. ???? ????? ??? ????? ???? ?? ?????? ?????? ???????? ?????? ?????? ???????. ??? ??? ????? ???? ?????, ???? Zr, HF, NB, ?? ??, ????????? ????? ?? ????? ??? ?????? ???????? ?????? ????, ??? ????????? ????? ????, ?????? ?????, ??????? ??? ???? ??????? ??? ?? "?????" ????? ?? ????? ????? ???? ?? ??? ????.

???????? ???? ??????? ?????? ???? ?????: ????? ?sintering.

???????? ???? ??????? ????? ??? 1 - ?????

???? ??????? ?????? ???? ??????? ???? ??????? ???????: ????? ??? ????? (????? uniaxial) isostatic ??? ??????? ?????? (????? ???? ??????????). ??????? ?????, ???? ?????? ????, ??? ??, ????? ???, ????? ??????, ????? ???, ?? ????? ????, ??? ??? ??????? ????????.
???? ??????? ?? ??? ????? ??? ?????? ?????? ????? ??? ?????? ???. ?? ???, ???? ?????? ????? ?????? ??? ?????, ??? ????? ?? ????? ?? ??? ?????.???? ??????? ??? ??? generaIIy ??? sufliciently, ?? ??? ?????? ????? ??????? ??? ?????.?????? ????, ?? "???? ????? ???? sintered ????.

Comp ???????? ???? ??????? ???? ??? 1 - sintering

LN ?? ??? ?????? ?? ???? ?? ???? ?????, ?? ?????? ?????? ????, ????? sintering.????? ??????? ?? sintering ??? ??? ????? ???? ????? ?? ??????? ????????? ???????? ??????? ??????? ??? ?????? ?????? ???????? ????? ???. Sintering ?? ??????? ?????? ???? ??? ????? ????????? ?? 2000 ?? 3050 ℃ ??? ???? ???? ?? ?? ??? sintering ????? (????? ??????? ?????) ?? sintering ????? (?????? ????? ????? ???????).??????? ???? ?????? ????? ????? ??????? ?? 90% ???????? ?????????, ?? ??? ???? ??? ????? ???? 92-98%.

??? ????? ?????? ?sintering ??? ?????? ?? ??? ???? ????? ?? ??????? ?????? ??????, ??????? ???? ??????? ?????? ????? ????, ???????? ????????, ?( ?????, ??????? ??? ????? ????? ??? ????) ?????.?????? ???? ???? ???? ?? ??? ????? diffusional ?? ???? ???? ???? ???????? ??? ?????? ?? ????? ????? (??? ??? ????). ??? ????????, ???????? (????? ?? ???? subgrain ????? ???), ????? ???? (???????? ?????? ??????? ??? ?????? ??????? ?????), ?????? ????? ?????? ????? sintering, ?? ????? ?????? ?????? ??????.

?? ?? ?? ????? ????? ???????, ?? ???? ????? ????? ????"? ?????: sales@chinatungsten.com ?? ??????: +86 592 5129696

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