Discharge electrode material composed of yttrium and rhenium or

Details Discharge electrode material composed of yttrium and rhenium or Discharge electrode material composed of yttrium and rhenium or

1988-03-30

1989-11-21

Wieder, Kenneth

Electric lamp and discharge devices

With gas or vapor

Electrode composition

252514, 252518, H01J 114

Patent

active

048825190

ABSTRACT:
Disclosed is a discharge electrode material essentially made of yttrium oxide and blended with rhenium or ruthenium. This electrode material is used as the electrode for air plasma cutting, electrode for plasma spraying, and others, and it is excellent in heat resistance and oxidation resistance, and its wear resistance is more than twice as high as that of conventional electrode materials such as zirconium and hafnium.

REFERENCES:
patent: 3784928 (1974-01-01), Crane
patent: 4303848 (1981-12-01), Shimizu et al.

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