Journal of Liaoning Petrochemical University
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Research Status on High Temperature Oxidation of Micro⁃Arc Oxidation of Titanium Alloy
Hao Guodong, Su Shuangyue, Hao Chunli, Liu Binxia
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Titanium alloy is widely used in military and civil fields because of its high strength, corrosion resistance and high specific strength. However, high temperature oxidation reaction will occur when it is used in a high temperature environment, which reduces its performance and limits its application range.Ceramic coatings are prepared in situ on the surface of titanium alloy by means of Micro⁃arc oxidation(MAO) technique. The combining capability of ceramic layer and metal substrate is very strong, has good wear resistance, corrosion resistance and resistance to high temperature and other characteristics, the technological process is simple and efficient, low cost and is friendly to the environment, can greatly improves the oxidation resistance of titanium alloy, prolong its service at high temperatures.This paper reviews the research status of micro⁃arc oxidation technology in the field of high temperature oxidation resistance of titanium alloys.The influences of reaction parameters, electrolyte, reaction time and power mode on the structure and high temperature oxidation resistance of micro⁃arc oxide ceramic coatings are summarized.
2021, 41 (2): 21-26. DOI: 10.3969/j.issn.1672-6952.2021.02.005