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Recent Patents on Engineering

Author(s): Mengchen Yuan* and Zhaolong Li

DOI: 10.2174/1872212118666230430004329

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Recent Patents of Micro-arc Oxidation Technology

Article ID: e300423216386 Pages: 14

  • * (Excluding Mailing and Handling)

Abstract

Micro-arc oxidation (MAO) is a new surface treatment technology that can improve wear resistance, corrosion resistance, high voltage insulation, and other metal properties. Therefore, this technology is widely used in automobile manufacturing, aerospace, ship anti-corrosion, medical equipment, sewage treatment, and other fields. This paper reviews the representative patents of micro-arc oxidation technology at home and abroad. The micro-arc oxidation processing device, the process method of micro-arc oxidation processing, the power supply and electrical parameters of micro-arc oxidation, the preparation of electrolytes, and the methods of anticorrosion and protection of metal surface are analyzed. The development trend of micro-arc oxidation technology in the future is discussed. Micro-arc oxidation is a simple, green, and environment- friendly surface treatment technology, and there will be more patents in the field of micro- arc oxidation in the future.

Erratum In:
Recent Patents of Micro-arc Oxidation Technology

Graphical Abstract

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