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???????? ??? ????? ????? ????? ????? ??? ?? ??? nonmetallic ?? ????? (????, ??????? ?????, ????????? ?? ?????). ???? ???? ?? ??? ????? ??????? ????? ?????? ???????? elektron (????? ????, ????? ????? ????? ????) ? hodos, ???.

鈰鎢電極

??????? ????????? ?????? TIG ???? :

????????? ??????? ?????? ???? ????? ?? ????? ?????? ??????? (TIG) ?? ?? ???? ????? ?????. ?? ??? ????????, ?? ????????? ??? ?????? ????? ?????? ???? ????? ?????????? ?? ??? ?? ??????. ???????? ??????? ???? ?? ?? ???? ????? ?????????? ?????? ???? ?????? ????? ???????? ??. ??????? ???????? ?? ??????? ?? ??? ?????? ???? ?????? ????? ???? sintering.

TIG ????? ???????? ??????? ?? ???? ??? ?????? ?????? ????? ?? ??????? ???? ????? ??????? ????? ?? ???????? ?????: -

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??????? ??? ???? ????? ?? ????? ??? ?? ?????????, ??????, ????, ??????? ?? cerium. ?????? ???? ??? ??% 1% -4 ???. ?? ??????? ??? ???? ????? ??????? ????? ???, ?????? ???? ????? ???? ?????? (DC) ??? ?????. ?????? ?????? (thoria) ???? ???? ???? ???? ???? ???? ???? ??????? ?? ???? ?????? ?????? ?????. ????????? ?????? (zirconia) ??? ?????? ???? ???? ???????? ????? ?????? (AC) TIG, ???? ??? ????????? ?????.

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???? ??????	WP	????	-	≤0.05	?? ???	0.8 ~ 15	D, E G, S	??? ??????????, ????? AC ????? ?????????, ???????, ?????? ????
Thoriated ??????	WTh10	????	0.9 ~ 1.1ThO2	≤0.05	?? ???	0.8 ~ 15	D, E G, S	????? ??????? ????? ?????? ??????, ?????? ????? ?????? ??????; ?????????????; ????? ?????? DC ?? ???? ????, ???????, ?????? ???? ?????? ???????.
Thoriated ??????	WTh20	????	1.8 ~ 2.2ThO2	≤0.05	?? ???	0.8 ~ 15	D, E G, S
???? ??????	WLa10	????	0.8 ~ 1.2La2O3	≤0.05	?? ???	0.8 ~ 15	D, E G, S	??? ??????????, ??????? ?????? ????? ?????? ?????, ?????? ????? ?????? ??????; ??? ??????? ?? ???? ?????, ????? ???????? ??????? thoriated, ???? ????? ?????? DC.
	WLa15	???? ????	1.3 ~ 1.7 La2O3	≤0.05	?? ???	0.8 ~ 15
	WLa20	????	1.8 ~ 2.2 La2O3	≤0.05	?? ???	0.8 ~ 15
Cerium ??????	WCe10	????	0.8 ~ 1.2CeO2	≤0.05	?? ???	0.8 ~ 15	D, E G, S	??? ??????????, ????? ???? ?? ???? ??????? ???????? ????, ????, ????? ?? ??? ??????, ????? ????? ?? ???????, ?????? ????? ????? ?????.
	WCe15	????	1.3 ~ 1.7CeO2	≤0.05	?? ???	0.8 ~ 15
	WCe20	????	1.8 ~ 2.2CeO2	≤0.05	?? ???	0.8 ~ 15
??????? ??????	WY20	???? ????	1.8 ~ 2.2Y2O3	≤0.05	?? ???	0.8 ~ 15	D, E G, S	???? ??? ???? ???? ?? ????? ????;; ??? ?????????? ???? ????? ????? ??????? ???????? ?????? ?????.
?????? ???? ???? ???? ??????	WMX	????	1.0 ~ 5.0MOx	≤0.05	?? ???	0.8 ~ 15	D, E G, S	???? ???? ???? ???????? ???????, ?????? ????? ??????? ???????? ????? ???? ?? ????????? ???????

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