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Friction and wear behaviors of surface nanocrystalline layer prepared on medium manganese surfacing layer under oil lubrication

Authors
Journal
Tribology International
0301-679X
Publisher
Elsevier
Volume
80
Identifiers
DOI: 10.1016/j.triboint.2014.07.007
Keywords
  • Rolling
  • Hard
  • Friction
  • Wear

Abstract

Abstract A nanocrystalline surface layer was fabricated on a medium manganese surfacing layer by rolling technology. The tribological behavior of the nanocrystalline layer was investigated under oil lubrication. The thickness of the nanocrystalline layer is 10μm. Experimental results show that the friction coefficient and wear volume are reduced by 10% and 80%, respectively. After surface nanocrystallization, there occurs a transition from the combined action of abrasive wear and fatigue wear to the abrasive wear. The advantages realized in the tribology properties of the treated sample may be attributed to the enhancement of the hardness and the surface residual compressive stress and homogeneous oil-lubricated film.

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