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US 12,630,902 B2Granted
Heat-resistant IR-PT alloy
AssigneesIshifuku Metal Industry Co., Ltd., Denso Corporation
InventorsKenta Terai, Shunsuke Takeya, Hayato Yasuhara, Akihiro Shibata, Ryohei Akiyoshi, Yuji Kaji
Life of this patent
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Abstract
Provided is a heat-resistant Ir alloy, which is further improved in Vickers hardness while maintaining satisfactory processability. Specifically, provided is a heat-resistant Ir alloy, including: 5 mass % to 30 mass % of Pt; 0.5 mass % to 5 mass % of Ta; and 0.003 mass % to 0.15 mass % of at least one kind selected from the group consisting of: Sc; Hf; and W, with the balance being Ir.
Claims1
A heat-resistant Ir alloy, comprising:
- 5 mass % to 30 mass % of Pt;
- 0.5 mass % to 5 mass % of Ta;
- and
- 0.003 mass % to 0.15 mass % of at least one kind selected from the group consisting of:
- Sc and Hf,
- with the balance being Ir and inevitable impurities.
3 more elements
Dependencies are inferred from the claim text.