Stock material or miscellaneous articles – All metal or with adjacent metals – Having composition – density – or hardness gradient
Patent
1990-10-25
1993-08-10
Zimmerman, John
Stock material or miscellaneous articles
All metal or with adjacent metals
Having composition, density, or hardness gradient
428636, 428662, 428670, 420427, 420461, 420580, C22C 500, C22C 3000, C22C 2702, B32B 1500
Patent
active
052347745
ABSTRACT:
There is provided a non-single crystalline material characterized by containing Ir, Ta and Al at the following respective composition rates:
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patent: 2467675 (1949-04-01), Kurtz et al.
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patent: 3109734 (1963-11-01), Bishop
patent: 3627577 (1971-12-01), Steidel
patent: 3949275 (1976-04-01), Muenz
patent: 3955039 (1976-05-01), Roschy et al.
patent: 4155660 (1979-05-01), Takahashi et al.
patent: 4233185 (1980-11-01), Knapton et al.
patent: 4705610 (1987-11-01), Tenhover et al.
Hasegawa Kenji
Kimura Isao
Shiozaki Atsushi
Touma Kouichi
Canon Kabushiki Kaisha
Zimmerman John
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