Abstract
Chromium alloy has been widely employed in industry due to high strength and corrosion resistance. However, poor tribological performance directly affect the lifetime of chromium-based components. In order to improve surface properties of chromium alloy, we investigate the effect of typical patterns including micro-dimples, micro-grooves and micro-grids on their friction and wear behaviors generated by laser surface texturing. Experimental results show that laser-textured surfaces significantly reduce the wear volume up to 57%, especially for surface patterns with micro-grids. The enhanced wear performance is mainly caused by the increased microhardness in local quenched zones, the capability of trapping wear debris and uniform stress distribution during friction sliding process.
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