受微动影响的热交换设备部件用结构合金的摩擦学性能

E. Marchenko, M. Khrushchov, S. M. Kaplunov, V. Panov
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引用次数: 1

摘要

测定了干润滑和水润滑条件下不锈钢和钛合金滑动摩擦的摩擦学特性。摩擦系数随载荷的变化特征和试验时间的延长证实了这些材料的主要磨损机制为摩擦疲劳断裂,而钛合金则伴随着粘接相互作用和塑性犁耕。在此基础上建立的摩擦疲劳曲线使估计材料的摩擦学寿命成为可能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Tribological properties of structural alloys for the heat exchange equipment parts subjected to fretting
Trobological characteristics of sliding friction in stainless steel and titanium alloys in dry and water lubricated conditions have been determined. The character of the coefficient of friction variation with load and the duration of tests have confi rmed the prevailing wear mechanism in these materials to be frictional fatigue fracture that in the case of titanium alloys is accompanied with adhesive interaction and plastic plowing. The frictional fatigue curves built in a result of this investigation make possible to estimate the materials tribological longevity.
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