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在高铬镍合金中添加铝后,在常温下的硬度为维氏(HV)约700,在镍合金中最高。其耐腐蚀性也好。自镍—铬—铝系合金问世后,改变了人们对作为装饰用特別是作为钟表外壳用合金的传统观点。一般钟表外壳用合金多使用有代表性的材
The addition of aluminum to a high-chromium nickel alloy gives a Vickers hardness (HV) of about 700 at room temperature and the highest in nickel alloys. Its corrosion resistance is also good. Since the advent of the nickel-chromium-aluminum alloy, the traditional viewpoints have been changed that the alloy is used as a decoration, especially as a watch case. General watch shell alloy with the use of more representative materials