Effect of Micro-arc Oxidation on the Mechanical Properties of Hierarchical Porous Ti6Al4V Prepared by Selective Laser Melting

XIANG Yihou; TANG Liwei; WANG Jinghui; WU Guolong; ZHANG Qunli; YAO Jianhua

doi:10.16490/j.cnki.issn.1001-3660.2024.13.009

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Surface Technology ›› 2024, Vol. 53 ›› Issue (13) : 84-95. DOI: 10.16490/j.cnki.issn.1001-3660.2024.13.009

Special Topic—Energy Field Assisted Laser Surface Modification

Effect of Micro-arc Oxidation on the Mechanical Properties of Hierarchical Porous Ti6Al4V Prepared by Selective Laser Melting

XIANG Yihou, TANG Liwei, WANG Jinghui, WU Guolong, ZHANG Qunli, YAO Jianhua

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Abstract

The work aims to investigate the change rule of mechanical properties of porous Ti6Al4V after surface modification through micro-arc oxidation (MAO). In this research, porous Ti6Al4V lattice materials with relative densities of 0.30, 0.38, and 0.47 were prepared by selective laser melting (SLM). The surface was pre-treated by chemical polishing and then the MAO film layer was formed on the surface by the MAO process, and then the microscopic morphology and mechanical properties were analyzed by microscopic observation and uniaxial compression test.

Key words

micro-arc oxidation; selective laser melting; hierarchical porous Ti6Al4V; lattice materials; relative density; mechanical property

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XIANG Yihou, TANG Liwei, WANG Jinghui, WU Guolong, ZHANG Qunli, YAO Jianhua. Effect of Micro-arc Oxidation on the Mechanical Properties of Hierarchical Porous Ti6Al4V Prepared by Selective Laser Melting[J]. Surface Technology. 2024, 53(13): 84-95