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Metals 2017, 7(3), 90; doi:10.3390/met7030090

Investigation on Friction and Wear of Cold Rolled High Strength Steel against an AISI52100 Counterpart

School of Aerospace and Mechanical Engineering, Korea Aerospace University, 76 Hanggongdaehang-ro, Deogyang-gu, Goyang-si, Gyeonggi-do 412-791, Korea
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Author to whom correspondence should be addressed.
Academic Editor: Filippo Berto
Received: 2 February 2017 / Revised: 25 February 2017 / Accepted: 6 March 2017 / Published: 10 March 2017
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Abstract

This article investigates the friction and wear of cold rolled high strength steel at various displacement amplitudes. Reciprocal sliding tests are carried out using a ball-on-flat testing apparatus. The tangential force occurring at the contact surface between a high strength steel specimen and an AISI52100 ball is measured during the tests. After each test, the worn surface profile on the steel specimen is determined. Experimental results show that the ratio of the maximum tangential to the normal force remains at 0.7 after an initial rapid increase, and the ratio does not greatly change according to the imposed displacement amplitudes (in the range of 0.05 mm and 0.3 mm). The wear volume loss on the steel specimen increases according to the number of cycles. It is determined that the wear rate of the specimen changes with respect to the imposed displacement amplitude. That is, the wear rate rapidly increases within the displacement amplitude range of 0.05 mm to 0.09 mm, while the wear rate gradually increases when the displacement amplitude is greater than 0.2 mm. The obtained results provide the friction and wear behaviors of cold rolled high strength steel in fretting and reciprocal sliding regimes. View Full-Text
Keywords: fretting; sliding; friction; wear; cold rolled high strength steel; AISI52100 fretting; sliding; friction; wear; cold rolled high strength steel; AISI52100
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Hur, J.; Kim, K. Investigation on Friction and Wear of Cold Rolled High Strength Steel against an AISI52100 Counterpart. Metals 2017, 7, 90.

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