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NbSe2/Cu新型自润滑复合材料制备及其摩擦学性能

, PP. 121-127

Keywords: NbSe2,Cu基复合材料,物理性能,摩擦,磨损

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Abstract:

以片层状NbSe2为原料,通过粉末冶金复压复烧的方法制备出不同质量分数的NbSe2/Cu复合材料。对复合材料的显微结构、物理性能及摩擦磨损性能进行了研究。结果表明,NbSe2的加入可显著提高材料的摩擦学性能。这是由于复合材料在摩擦热和变形挤压的共同作用下,基体中NbSe2被逐渐挤出,形成了NbSe2的固体润滑膜。NbSe2表面镀Cu可提高NbSe2与Cu基体的界面结合强度,所形成的固体自润滑膜不易脱落且更加完整,从而使复合材料具有更优异的物理性能和摩擦学性能。

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