Effect of Normal Stiffness in Loading System on Wear of Carbon Steel—Part 1: Severe-Mild Wear Transition

[+] Author and Article Information
Y. C. Chiou, K. Kato

Department of Mechanical Engineering, Tohoku University, Sendai, Japan

T. Kayaba

Department of Mechanical Engineering, Hachinohe Institute of Technology, Hachinohe, Japan

J. Tribol 107(4), 491-495 (Oct 01, 1985) (5 pages) doi:10.1115/1.3261114 History: Received February 04, 1985; Online October 29, 2009


It is shown that the severe-mild wear transition and the wear rate of 0.45 percent carbon steel pair in dry friction is greatly influenced by the change of normal stiffness from 1 N/mm to 586000 N/mm in loading system. The wear rate increases with the increase of normal stiffness and the severe wear state is predominant under larger normal stiffness at low sliding velocity (0.25 m/s). However, the wear rate decreases with the increase of normal stiffness and the mild wear state is predominant under larger normal stiffness at high sliding velocity (1.57 m/s). This complicated wear behavior is explained by analyzing the effect of normal stiffness and normal load on wear rate-sliding velocity curve. It suggests that the increase of normal stiffness should physically mean the increase of normal load.

Copyright © 1985 by ASME
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