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    • 3. 发明授权
    • Sliding bearing for light alloy housing
    • 滑动轴承轻合金外壳
    • US5432013A
    • 1995-07-11
    • US112263
    • 1993-08-27
    • Tadashi TanakaMasaaki SakamotoKoichi YamamotoYoshiaki SatoTohru Kato
    • Tadashi TanakaMasaaki SakamotoKoichi YamamotoYoshiaki SatoTohru Kato
    • B32B15/01F16C33/12
    • B32B15/017F16C33/12F16C2204/20F16C2204/22Y10S384/912Y10T428/12687Y10T428/12701Y10T428/1275
    • A sliding bearing has a back metal made of a copper alloy which has a high followability with respect to deformation of a light alloy housing, and with this construction, the sliding bearing is excellent in fretting resistance and migration resistance. The multi-layer sliding bearing for a light alloy housing includes an aluminum alloy bearing layer, and a back metal layer, the back metal layer being made of a copper alloy which has a thermal expansion coefficient of not less than 15.times.10.sup.-6 /.degree.C., a 0.2% yield strength of not less than 295 N/mm.sup.2 and a heat transfer coefficient of not less than 0.40 Cal/cm.cndot.sec.cndot..degree.C. A Pb-alloy overlay layer can be formed on the bearing layer. A bonding layer can be formed between the bearing layer and the back metal layer. A flash plating layer can be formed on an entire surface of the bearing. When a large interference is not obtained, or under sever conditions as when the temperatures of the bearing and the lubricating oil rise in a high-speed range of the internal combustion engine or as when the inertia force of the housing increases, an excellent bearing performance is achieved by the sliding bearing of the present invention.
    • 滑动轴承具有由铜合金制成的背金属,其对于轻合金壳体的变形具有高的跟随性,并且通过这种结构,滑动轴承具有优良的耐摩擦性和耐迁移性。 用于轻合金壳体的多层滑动轴承包括铝合金轴承层和背金属层,后金属层由铜合金制成,其热膨胀系数不小于15×10 -6 /℃ 0.2%屈服强度不低于295N / mm2,传热系数不低于0.40Cal / cm·sec。 可以在轴承层上形成Pb合金覆盖层。 可以在承载层和背面金属层之间形成结合层。 可以在轴承的整个表面上形成闪镀层。 当没有获得大干扰时,或者在严格的条件下,当轴承和润滑油的温度在内燃机的高速范围内升高时,或当壳体的惯性力增加时,优异的轴承性能 是通过本发明的滑动轴承实现的。
    • 7. 发明授权
    • Aluminum alloy bearing
    • 铝合金轴承
    • US5453244A
    • 1995-09-26
    • US337140
    • 1994-11-10
    • Tadashi TanakaMasaaki SakamotoTohru KatoYoshiaki Sato
    • Tadashi TanakaMasaaki SakamotoTohru KatoYoshiaki Sato
    • C22C21/00C22C21/02C22C21/04C22C21/10F16C33/12
    • C22C21/003C22C21/02C22C21/04C22C21/10F16C33/121Y10T428/12701Y10T428/12757Y10T428/12764Y10T428/12951
    • There is disclosed a novel aluminum alloy bearing which exhibits a more excellent fatigue resistance than conventional bearings even under such conditions of use as at a high temperature and under a high load. The aluminum alloy bearing has an aluminum bearing alloy layer containing, by weight, 1 to 10% Zn, 0.1 to 5% Cu, 0.05 to 3% Mg, 0.1 to 2% Mn, 0.1 to 5% Pb, 0.1 to 2% V, and 0.03 to 0.5% in total of Ti--B, and further may optionally contain not more than 8% Si, 0.05 to 0.5% Sr, and Ni, Co and Cr. The alloy may be bonded to a steel metal back sheet, and a surface layer may be formed on the surface of the bearing. By use of the composition of the alloy of the invention, the fatigue resistance of the aluminum alloy bearings has been improved, and such an improved bearing can fully achieve a bearing performance even under severe conditions of use as at high temperature and under a high load.
    • 公开了一种新颖的铝合金轴承,即使在高温和高负载下的使用条件下,也能表现出比传统轴承更优异的耐疲劳性能。 铝合金轴承具有铝合金轴承合金层,其含有1〜10%的Zn,0.1〜5%的Cu,0.05〜3%的Mg,0.1〜2%的Mn,0.1〜5%的Pb,0.1〜2%的V ,Ti-B总计为0.03〜0.5%,进一步含有8%以下的Si,0.05〜0.5%的Sr,Ni,Co,Cr。 该合金可以结合到钢金属背板上,并且可以在轴承的表面上形成表面层。 通过使用本发明的合金组成,铝合金轴承的耐疲劳性得到改善,即使在高温和高负载下的苛刻使用条件下,这种改进的轴承也能充分获得轴承性能 。