submicron particle

Adding proper WS2 submicron particle into the grease used in rolling bearing can reduce the friction factor, consumption, wastage of grease and prolong the working life of grease.

在滚动轴承用润滑脂中添加适量WS2亚微米粒子，能有效降低轴承在高温环境下工作时的摩擦因数，降低能耗，并能减少润滑脂消耗，延长润滑脂的工作寿命。

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The nano-sized PTFE particle generat metal fluoride, forms physical boundary film and repair the injured surface. Submicron-sized PTFE works as rolling element, micron-sized PTFE hinders relative motion of the friction surfaces due to the distortion from pressing.

纳米PTFE微粒通过生成金属氟化物、微粒修复作用和形成物理边界膜，亚微米PTFE通过滚动体作用。微米PTFE在摩擦副间发生变形而阻碍摩擦表面相对运动。

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The results of experiment show that WS2 submicron particle can enhance the tribology property, including anti-wear, antifriction and extreme pressure, of two main high temperature grease-lithium complex grease and complex calcium sulfonate grease.

本文的主要研究结果有：1.通过实验发现WS2亚微米粒子能大大提高两种主要高温润滑脂：复合锂基润滑脂和复合磺酸钙基润滑脂的抗磨、减摩、抗极压等摩擦学性能。

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It is discovered that, under a lower temperature, the metal is lubricated mainly by WS2 adsorption membrane which is formed between metal friction surfaces besides crystal interior layer slipping of WS2 submicron particle in the grease.

发现在较低的温度下，润滑脂中所含的WS2亚微米粒子除了依靠晶体内部层间滑移减少摩擦外，主要依靠在金属摩擦表面形成WS2吸附膜，以起到润滑作用。

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