Discharge electrode material composed of yttrium and rhenium or ruthenium

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United States of America Patent

PATENT NO 4882519
SERIAL NO

07175431

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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.

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Patent Owner(s)

Patent OwnerAddress
TOHO KINZOKU CO LTDOSAKA 541

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Maeno, Yoshinori Neyagawa, JP 30 255
Matsuda, Fukuhisa Kawanishi, JP 1 0
Mikita, Hiroshi Neyagawa, JP 1 0
Umezu, Sadao Neyagawa, JP 1 0
Ushio, Masao Toyonaka, JP 6 183

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