| US 7,507,305 B2 | ||
| Wear-resistant copper-based alloy | ||
| Minoru Kawasaki, Toyota (Japan); Tadashi Oshima, Aichi-gun (Japan); Takao Kobayashi, Seto (Japan); Kazuyuki Nakanishi, Seto (Japan); and Hideo Tachikawa, Nisshin (Japan) | ||
| Assigned to Toyota Jidosha Kabushiki Kaisha, Toyota-shi (Japan) | ||
| Appl. No. 10/580,463 PCT Filed Dec. 10, 2004, PCT No. PCT/JP2004/018870 § 371(c)(1), (2), (4) Date May 25, 2006, PCT Pub. No. WO2005/005190, PCT Pub. Date Jun. 30, 2005. |
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| Claims priority of application No. 2003-419734 (JP), filed on Dec. 17, 2003. | ||
| Prior Publication US 2007/0125458 A1, Jun. 07, 2007 | ||
| Int. Cl. C22C 9/06 (2006.01) | ||
| U.S. Cl. 148—435 [420/487; 420/587] | 11 Claims |

| 1. A wear-resistant copper-based alloy, comprising, by weight, 4.7 to 22.0% nickel, 0.5 to 5.0% silicon, 2.7 to 22.0% iron,
1.0 to 15.0% chromium, 0.01 to 1.97% cobalt,
2.7 to 22.0% tantalum and/or hafnium, and the balance of copper with inevitable impurities.
|