| 摘要 |
<p>A surface of aluminium alloy or iron alloy coated, on at least a part, with a lead-free copper-based coating layer comprising, by weight, 0.2-15% bismuth, and at least one metal selected from the group consisting of 5-40% nickel, 1-20% chromium, 1-20% iron, and 1-10% cobalt, the balance being copper which is more than 55%. The surface may be of a swashplate used in swashplate type compressors. <IMAGE></p> |
