Multilayer sliding material for high-speed engine and method of
producing same
    1.
    发明授权
    Multilayer sliding material for high-speed engine and method of producing same 失效
    用于高速发动机的多层滑动材料及其制造方法

    公开(公告)号:US5328772A

    公开(公告)日:1994-07-12

    申请号:US834085

    申请日:1992-02-12

    摘要: A multilayer sliding material for high-speed engine, comprising a steel back metal, a Cu or Cu-base alloy plating layer, a Cu-Pb bearing alloy layer, and an overlay, said steel back metal having 155 or more of Vickers hardness and 42 kgf/mm.sup.2 or more of 0.2% yield strength, a Cu-Pb bearing alloy layer containing 15-30 wt % of Pb and 0.5-2.0 wt % of Sn and having 0.25 cal/cm.s..degree. C. or more of thermal conductivity, 75 or more of Vickers hardness and 18 kgf/mm.sup.2 or more of tensile strength, said overlay of a lead base alloy containing 2-8 wt % of Sn and 3-11 wt % of In and having more than 250.degree. C. of melting start temperature. The material has a superior antiseizure property at high speed of engine. In particular, the rising of the melting start temperature of the metal of the overlay and the thermal conductivity of the bearing alloy provides a superior sliding property of plain bearing at high speed of engine.

    摘要翻译: 一种用于高速发动机的多层滑动材料,包括钢背金属,Cu或Cu基合金镀层,Cu-Pb轴承合金层和覆盖层,所述钢背金属具有维氏硬度为155以上的维氏硬度, 42kgf / mm2以上0.2%屈服强度的Cu-Pb轴承合金层,含有15〜30重量%的Pb和0.5〜2.0重量%的Sn,并具有0.25cal / cm 3。 所述覆盖层包含2-8重量%的Sn和3-11重量百分比的In,以及所述的导热系数为75以上,维氏硬度为75Kg / mm2以上,拉伸强度为18kgf / 熔点开始温度超过250℃。 该材料在发动机高速下具有优异的抗发现性能。 特别地,覆盖层金属的熔化开始温度的升高和轴承合金的导热性提高了滑动轴承在高速发动机下的优异的滑动性能。