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Fretting wear behaviour of 304 stainless steel fretted against different counterbody materials
Date Issued
01-12-2013
Author(s)
Kumar, S. A.
Sai, S. K.
Indian Institute of Technology, Madras
Indian Institute of Technology, Madras
Abstract
Effect of counterbody material on fretting wear resistance of 304 stainless steel is investigated in the present study. Fretting wear experiments were carried out at different normal loads on 304 stainless steel samples for 25 000 cycles using four different counterbody materials (alumina, SAE 52100 steel, 304 stainless steel and Ti-6Al-4V). At different normal loads, different fretting regimes were observed: gross slip at 1?96 and 4?98 N, mixed stick slip at 9?8 and 14?7 N and near stick at 19?6 N. Samples fretted against alumina counterbody exhibited higher tangential force coefficient values compared to those fretted with other counterbodies. The 304 stainless steel samples fretted with alumina counterbody exhibited higher wear volume due to higher contact stress and tribochemical reaction between the tribopair. The samples fretted against both 304 stainless steel and SAE 52100 steel counterbodies exhibited almost similar wear volume due to similar levels of adhesion between the contacting materials. However, the wear volume of 304 stainless steel samples fretted against Ti-6Al-4V counterbody was the least among all. It is attributed to the fact that dissimilar metals will result in lesser possibility of adhesion leading to better wear resistance. © 2013 W. S. Maney & Son Ltd.
Volume
7