Research progress of micro-arc oxidation technology of titanium alloys
China has developed the largest titanium industry system at present in the world,focusing on deepening the application and service behavior of titanium and titanium alloys,and vigorously develop-ing new surface treatment technologies to improve the life of materials.Among them,micro-arc oxida-tion is the most representative surface modification technology,which is environmentally friendly and implements the sustainable development strategy.Therefore,the research achievement of titanium and titanium alloys micro-arc oxidation technology at home and abroad are summarized.The technological principle of micro-arc oxidation is described,and the influence of electrolyte,electrical parameters and additives on titanium and titanium alloys micro-arc oxidation is expounds.The investigate progress of corrosion resistance,wear resistance and bonding strength of titanium alloys micro-arc oxidation ceram-ic films is also reviewed.Finally,the next research focus of titanium alloy micro-arc oxidation techno-logy is prospected.It is necessary to accelerate the research and development of energy-saving power supply devices to realize batch production of workpieces,continue to strengthen the research on micro-arc oxidation mechanism and systematic design of process,and build a complete technology library.
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