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US 4,906,438 AGranted
Ni base alloy for spark plug electrodes of internal combustion engine
AssigneeMitsubishi Kinzoku Kabushiki Kaisha
InventorsKensho Sahira, Hideo Kitamura, Akira Mimura, Nobuyoshi Kurauchi
Life of this patent
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Abstract
An Ni base alloy for use in spark plug electrodes for internal combustion engines which consists essentially by weight of: 0.5 through 1.5% Si; 0.7 through 2.8% Mn; 0.25 through 4.5% Al; and optionally 0.005-1% of one or more elements selected from the group consisting of Y and rare earth elements; and the remainder Ni and incidental impurities.
Claims1
An Ni base alloy for use in spark plug electrodes for internal combustion engines which consists essentially by weight of:
- 0.5 through 1.5% Si;
- 0.7 through 2.8% Mn;
- 0.25 through 4.5% Al;
- 0.005 through 1% of one or more elements selected from the group consisting of Y and rare earth elements;
- and
- the remainder Ni and incidental impurities.
3 more elements
Dependencies are inferred from the claim text.