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国外文献 > 1.轴承 > 3. 材料与制造 > 轴承材料

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标 题： An experimental investigation of various materials on thrust washer bearing operation
对不同材料在推力垫圈轴承运行中的实验研究
作 者： R. L. Jackson
I. Green
关键词： Hydrodynamic bearings  [水动力轴承]
Coatings  [ 涂层]
Failure analysis  [ 失效分析]
Automotive transmission fluid  [ 汽车变速箱油]
Bronze  [ 青铜]
Steel  [ 钢]
Polytetrafluoroethylene  [ 聚四氟乙烯]
Surface coatings  [ 表面涂层]
出版年： 2007
期刊名： Proceedings of the Institution of Mechanical Engineers
机械工程师学会会刊
年卷期： 2007, vol.221, no.J7
摘 要： The current research experimentally quantifies and maps the behaviour of various thrust washer configurations under various conditions. The bearings are tested at controlled loads and speeds for a governed period of time (up to 14 h) or until failure. The experimental results show that at some loads and speeds the bearing operates with a near full hydrodynamic film and under more harsh conditions it operates in the boundary lubrication regime. The experimental results indicate that coatings enhance performance by decreasing friction and thus decreasing the heat generated. By decreasing the generated heat, the physical mechanisms of thermoelastic instability and thermoviscous distress are less likely to occur. Using bronze will decrease the friction between the bearings, although it may also decrease the life of the bearing. However, using more than one round washer appears to not significantly benefit washer-bearing performance.

当前的研究通过实验对不同条件下各种推力垫圈配置的行为进行了量化和映射。轴承在受控的载荷和速度下进行测试，持续一定时间（最长14小时）或直至失效。实验结果表明，在某些载荷和速度下，轴承以接近全水动力膜状态运行； 而在更恶劣的条件下，则处于边界润滑状态。实验结果表明，涂层通过降低摩擦从而减少热量产生，从而提升了性能。减少产生的热量，有助于降低热弹性不稳定性和热粘性损伤的发生概率。使用青铜材料可降低轴承之间的摩擦，但可能也会缩短轴承寿命。然而，使用多个圆垫圈似乎对垫圈与轴承的性能改善作用不明显。
中文内容为网络AI翻译，专业术语未必准确，仅供参考。

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