Abstract
In this paper, friction stir processing (FSP) with B4C particles (B4Cp) is used to improve the surface modification of 6061 aluminum alloy. Optical microscopy, scanning election microscopy, and energy-dispersive X-ray analysis have been performed to investigate the microstructure and the distribution of B4Cp. Wear resistance and microhardness were evaluated in detail. It is observed that the increasing number of FSP passes causes a more uniform distribution of B4Cp. The homogeneous distribution of B4Cp was observed in the weld zone, which significantly improved the wear resistance and microhardness of the surface composite layer as compared to those of the as-received Al alloy.
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Zhao, Y., Huang, X., Li, Q. et al. Effect of friction stir processing with B4C particles on the microstructure and mechanical properties of 6061 aluminum alloy. Int J Adv Manuf Technol 78, 1437–1443 (2015). https://doi.org/10.1007/s00170-014-6748-9
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DOI: https://doi.org/10.1007/s00170-014-6748-9