Study on the effect of LuCl<sub>3</sub> doping on the characteristics of titanium alloy micro-arc oxidation coatings-Reference-Cited by-同舟云学术

Study on the effect of LuCl₃ doping on the characteristics of titanium alloy micro-arc oxidation coatings

Published:2024-07-19 Issue:8 Volume:115 Page:674-684
ISSN:1862-5282
Container-title:International Journal of Materials Research
language:en
Short-container-title:

Author:

Wang Xiangjie¹²,Wang Ping¹²^ORCID,Duan Yanfei¹²,Luo Xu¹,Zheng Youping¹

Affiliation:

1. The State Key Laboratory of Vanadium and Titanium Resources Comprehensive Utilization , Panzhihua , P.R. China

2. School of New Energy and Materials , Southwest Petroleum University , Chengdu , P.R. China

Abstract

Abstract The micro-arc oxidation of TC4 titanium alloy was carried out by adding LuCl3. The effect of LuCl3 addition on the properties of the micro-arc oxidized coatings, and the rate of weight loss by erosion under simulated oil field conditions, were analysed. The results show that the increase of oxidation voltage after the addition of LuCl3 makes the surface structure of the coatings denser. The coating is mainly composed of Rutile TiO2, Anatase TiO2, and a small amount of Lu2O3 phase. The kinetic potential polarization curves showed that the addition of LuCl3 can increase the corrosion potential and decrease the corrosion current density of TC4 titanium alloy, and at the same time reduce the rate of erosion weight loss of micro-arc oxidized coatings under simulated oilfield conditions. The overall performance of the coatings is best when the concentration of LuCl3 is 0.3 g L−1.

Publisher

Walter de Gruyter GmbH

Link

https://www.degruyter.com/document/doi/10.1515/ijmr-2024-0049/pdf

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