MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
ISSN-L : 1345-9678
Effect of Contact Configuration on the Tribological Performance of Micro-Textured AISI 1045 Steel under Oscillating Conditions
Minhaeng Cho
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2014 Volume 55 Issue 2 Pages 363-370

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Abstract

The tribological performance of micro-textured AISI 1045 steel was investigated by an oscillating test. This study compared two contact schemes: (1) ball-on-disk and (2) line contact configuration. Texturing fractions of 5, 10, 15, and 20% were used. Results of the ball-on-disk oscillating test revealed that this contact scheme is not appropriate for an ordinary mechanical element in relative contact motion because very high concentrated contact stress is generated. In the case of the line contact test, a load dependency was observed for the coefficient of friction in spite of the lowered contact stress. The coefficient of friction for a load of 50 N was higher than that of the bare specimen over the entire texturing range. However, for a load of 20 N, a reduced coefficient of friction was observed in all cases.

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© 2013 The Japan Institute of Metals and Materials
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