期刊
WEAR
卷 238, 期 1, 页码 70-77出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/S0043-1648(99)00342-7
关键词
initial-steady wear transition; hardness; subsurfaces; transfer particles; transversal cross-sections; vacuum; transfer; wear particles
After some sliding distance of initial wear of metals, the wear mode transforms to the steady state with a lower wear rate than in initial wear. The mechanism of the transition has been investigated in this study with special attention on the changes in hardness in the transfer particles, the wear particles and the subsurfaces of sliding materials. Ni, Cu and Al pins were under sliding contact with identical disks in an oxygen of 1.0 x 10(5) Pa and in a vacuum of 1.6 x 10(-4) Pa. The transversal cross-sections of the transfer particles and the subsurfaces of both sliding specimens, together with the cross-sections of the wear particles were prepared for the Vickers' hardness test. The initial-steady wear transition appeared in the rubbings of Ni/Ni and Cu/Cu in the vacuum, and of Al/Al in oxygen. In these cases, the subsurface of the disk was made almost as hard as the transfer particles and the wear particles. The little difference in hardness among the interfacial materials prevents the transfer from the sliding surface to the transfer particle, which results in the transition to lower wear mode. (C) 2000 Elsevier Science S.A. All rights reserved.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据