Abstract
Biomimetic coupling units with different distribution densities were produced on the surface of 6082 aluminum alloy first by imitating the non-smooth wearproof surfaces of natural living things and then by simulating their soft-hard alternated surfaces with the laser surface melting technology. The effects and optimal level of unit distribution density on the abrasive resistance of 6082 aluminum alloy were analyzed via wear tests and simulation analysis. It was found biomimetic coupling units considerably improved the wear resistance of 6082 aluminum alloy. Stress analysis and experiments showed the wear resistance of 6082 aluminum alloy was optimized and enhanced by 53.43% from non-treated alloy when the density distribution coefficient of units was 0.4. Moreover, the wearproof mechanism of biomimetic coupling units was experimentally analyzed and discussed.
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