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???????? ??????? ????????? ?? ??????? ????? ? AC ?????, ?????? ??? ???? ???? ??????. ????????? ??? ?????? ????? ?? ??? ???? ???? ?????, ??????? ????? ??????? ???? ?????? ???? ??????? ???. ?-IT ????? ???? ? ????? AC ??? ??? ????? ???? ???? tungsten.Especially ?? ??????? ??????? ????? ????? ???? AC, ?? ?? replacable ??? electrodes.It ???? ?? ????? contaminationwell ? ????? AC.

鎢鋯電極

Zirconiated ???????? ??????? ?? ???? ????? ????? ?? ??? ?? ????????? ????? ?????? ???????? ??? ?????. ???? ??????, ??? ????????? ???? ????? globose, ???? ?? ????? ?????? ??????? ???? ????? ?????.

??? ??? ???? ?? ???????? ??????? ????????? ??? ?????? ?? ?????. ?? ???? ???? ???? ??? ???? ???? ???? ?? ????????? ? ???????? ??????? ?????????. ?

??????? ??????? ???? ?????? ????? testin ?????? ??? ?????? ????? ?? ???????? ??? ???? ????????? ????????? ?????.

???? ????

????
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?????
????

?????
???????

??????

?????
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???

???
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WZ3

ZrO2

0.20-0.40%

<0.20%

???

2.5-3.0

???

WZ8

ZrO2

0.70-0.90%

<0.20%

???

2.5-3.0

???

??????: 0.8% ??????? Zirconiated ???? ?????? ????????? 0.8% ?? ????? ?????? AC ??? ????? ??????? ?? ??? ????, ?????? ????? ???? ?????, ??? ??? ??? ??????. ?? ?? ??????? ????? ?? ????? ??????? ???? ?????? ???? ??????? ???.

?????: ??????? Zirconiated ??? ????? ????? ?????? AC ?? ??????? ????????? ????????. ?????? ???? ????? ??????? ?? ????? ??? ???? ?????.

 

???? ?????????

DC(A)

AC(A)

In

Mm

Duz ??????(-)

?????(+)

????? ??

????? ???? ??

0.04"

1.0

15-80

?

10-80

20-60

1/16"

1.6

60-150

10-18

50-120

40-100

0.079"

2.0

100-200

12-20

70-160

60-130

3/32"

2.4

150-250

15-25

80-200

80-150

1/8"

3.2

220-350

20-35

150-270

120-200

5/32"

4.0

350-500

35-50

220-350

170-260

3/16"

4.8

420-650

45-65

240-420

220-340

1/4"

6.4

600-900

65-100

360-560

250-450

 
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