【摘 要】
：
由日本大同金属有限公司研制成功并取得了德国专利权的这种轴承 ,由钢背、中间金属层和耐磨层组成。耐磨层由 Al— 7%～1 5% Sn— 0 .5%～ 3% Si构成 ,其维氏硬度50。构成轴承中
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由日本大同金属有限公司研制成功并取得了德国专利权的这种轴承 ,由钢背、中间金属层和耐磨层组成。耐磨层由 Al— 7%～1 5% Sn— 0 .5%～ 3% Si构成 ,其维氏硬度50。构成轴承中间层的铝合金的成分为 ,% :Mn≤ 1 .7,Cu≤ 1 .2 ,Mg≤ 1 .8;其维氏硬度为外层铝合金硬度的 60 %～
By Japan Datong Metal Co., Ltd. successfully developed and made the German patent of this bearing, the steel back, the middle layer of metal and wear-resistant layer. The wear-resistant layer is composed of Al-7% -15% Sn-0 .5% -3% Si and has Vickers hardness of 50. The composition of the aluminum alloy bearing intermediate layer,%: Mn ≤ 1.7, Cu ≤ 1.2, Mg ≤ 1.8; its Vickers hardness of the outer aluminum alloy hardness of 60%
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