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材料工程  2013 

磁场干涉下锌黄铜自配副干摩擦学特性的研究

DOI: 10.3969/j.issn.1001-4381.2013.08.004, PP. 23-27

Keywords: 磁场,干滑动摩擦,铜合金,电力机车

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Abstract:

室温下采用改进的MPV-1500型摩擦试验机,研究锌黄铜自配副的磁场干摩擦学特性和磁场干涉机理。结果表明磁场的施加和增大加剧了抗磁性锌黄铜的摩擦和磨损,增大了摩擦面的粗糙度,降低了摩擦面的氧元素含量,主要氧化物为Cu64O;随着磁场的增大,锌黄铜的磨损率和摩擦副的摩擦因数均有增大趋势,欲克服磁场对抗磁性锌黄铜干摩擦学特性的不利影响,可在其背面添置铁磁性材料;配副材料选配、对摩面的相对尺寸以及装卡装置的磁性均可影响实验研究结果。

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