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Effects of groove-textured surface combined with Sn–Ag–Cu lubricant on friction-induced vibration and noise of GCr15 bearing steel
Tribology International ( IF 6.1 ) Pub Date : 2020-08-01 , DOI: 10.1016/j.triboint.2020.106316
Yawen Xue , Xiaoliang Shi , Hongyan Zhou , Guanchen Lu , Jin Zhang

Abstract Taking GCr15 steel as the research object, the groove-textured surfaces (GTSs) and the composite antifriction surfaces (CASs) with the grooves and Sn–Ag–Cu were prepared. Experimental researches on the tribological performance, friction-induced vibration and noise of SS (smooth surface), GTSs and CASs were conducted. The results showed that SS exhibited the obviously abrasive wear characteristics, thus the uneven surface was obtained, leading to the high-frequency scream. The fluctuation of friction force caused by the grooves on GTSs could suppress the high-frequency scream but cause the low-frequency chatter. The cooperate effect of grooves and Sn–Ag–Cu increased the fluctuation amplitude of friction force, hence CASs profile with obvious wrinkles was formed, suppressing the friction-induced vibration and noise.

中文翻译:

槽纹表面结合Sn-Ag-Cu润滑剂对GCr15轴承钢摩擦振动和噪声的影响

摘要 以GCr15钢为研究对象,制备了凹槽纹理表面(GTSs)和带有凹槽和Sn-Ag-Cu的复合减摩表面(CASs)。对SS(光滑表面)、GTSs和CASs的摩擦学性能、摩擦振动和噪声进行了实验研究。结果表明,SS表现出明显的磨粒磨损特性,从而获得不平坦的表面,导致高频尖叫。GTS 上的凹槽引起的摩擦力波动可以抑制高频尖叫,但会引起低频颤振。凹槽与Sn-Ag-Cu的协同作用增加了摩擦力的波动幅度,从而形成了具有明显皱纹的CASs轮廓,抑制了摩擦引起的振动和噪声。
更新日期:2020-08-01
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