Journal
TRIBOLOGY INTERNATIONAL
Volume 77, Issue -, Pages 97-105Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.triboint.2014.04.017
Keywords
Surface texturing; Laser processing; Friction test; Starved lubrication
Categories
Funding
- National Natural Science Foundation of China [51075271, 51375305]
- Foundation for Innovative Research Groups of the National Natural Science Foundation of China [51121063]
- National Commercial Aircraft Manufacturing Engineering Technology Research Center [SAMC12-JS-15-025]
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Laser peen texturing (LPT), which is a new surface texturing technology, was proposed to fabricate micro-dimple arrays on copper surface. Pin-on-disk experiments were conducted under different normal loads and sliding speeds to investigate friction and wear behaviors of untextured and textured samples in starved lubrication. It was found that friction performance of the surface is improved significantly after LPT. Microscope observation and EDS analysis showed that textured surface could reduce both abrasive and adhesive wear as compared to untextured surface. Results also indicated that an optimum texture density might exist at which surface shows the best friction and wear behavior. (C) 2014 Elsevier Ltd. All rights reserved.
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