Effects of H2O2 on Characteristics of Films Formed on Surface of Ti6Al4V in Electrolyte by Micro-Arc Oxidation

Ya Ping Zhang; Xiang Dong Liu; Jing Zhang

doi:10.4028/www.scientific.net/AMM.217-219.1301

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 217-219Effects of H2O2 on Characteristics of Films Formed...

Effects of H₂O₂ on Characteristics of Films Formed on Surface of Ti6Al4V in Electrolyte by Micro-Arc Oxidation

Abstract:

Using micro-arc oxidation technology in preparation Ti6Al4V alloy surface oxidation film, adding to the electrolyte H2O2, influence of H2O2 addition amount of oxidation film characteristics has been studied. The results show that, H2O2 addition amount of 4.0 g·L-1, positive critical arcs voltage minimum, for 338 V. SEM analysis showed that, electrolyte of H2O2 addition amount by 1.0 g·L-1 increased to 4.0 g·L-1, film hole diameter after decreasing, micro-arc oxidation film layer of density increases. Oxidation film surface roughness reduced to 7.619 when H2O2 addition amount for 4 g·L-1. With H2O2 addition amount from 1.0 g·L-1 increased to 4.0 g·L-1, micro-arc oxidation film in the wear process mass loss is reduced, wear resistance for promotion.

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Periodical:

Applied Mechanics and Materials (Volumes 217-219)

Pages:

1301-1305

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.217-219.1301

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Online since:

November 2012

Authors:

Ya Ping Zhang, Xiang Dong Liu, Jing Zhang

Keywords:

Micro-Arc Oxidation (MAO), Oxidation Film, Roughness, Wear Resistance

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