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    • 3. 发明授权
    • Thin-walled bearings
    • 薄壁轴承
    • US06357917B1
    • 2002-03-19
    • US09180532
    • 1998-11-10
    • John LyonFatima Rutherford
    • John LyonFatima Rutherford
    • F16C3306
    • F16C33/12B32B15/015F16C2204/20Y10S384/912
    • Thin-walled bearings (10) each including a layer (16) of an aluminium based, or copper based, bearing material bonded to a steel shell, has an overlay (20) of one or more of the elements lead, tin, indium, copper, nickel, zinc and antimony. A flash (24) less than two micrometers thick and of one or more of the elements iron, chromium, nickel, cobalt, gold, silver and copper, is provided in any convenient way on the initially unmodified exposed surface portion of the overlay. The flash (24) is caused to react with the, or at least one constituent, element of the overlay (20) to modify the surface portion (22) of the overlay to become hard and wear-resistant. The material of the flash (24) forms at least one intermetallic compound, and/or solid solution, with the material of the surface portion (22) of the overlay (20). The bearing may be heated to a temperature at which the flash (24) reacts with the overlay (20) to form the required intermetallic compound, and/or solid solution, at a desired rate.
    • 每个包括结合到钢壳的铝基或铜基轴承材料的层(16)的薄壁轴承(10)具有一个或多个元素铅,锡,铟, 铜,镍,锌和锑。 在覆盖层的初始未修改的暴露表面部分上以任何方便的方式提供小于2微米厚的一种或多种铁,铬,镍,钴,金,银和铜中的一种或多种的闪光(24)。 引起闪光灯(24)与覆盖层(20)的元件或至少一个组成元件反应,以改变覆盖层的表面部分(22)以变硬并耐磨。 闪光(24)的材料与覆盖层(20)的表面部分(22)的材料形成至少一种金属间化合物和/或固溶体。 轴承可以被加热到闪光(24)与覆盖层(20)反应以以期望的速率形成所需的金属间化合物和/或固溶体的温度。