Micro-arc oxidation method of car part aluminum material

A technology of micro-arc oxidation and auto parts, applied in the direction of anodic oxidation, electrolytic coating, surface reaction electrolytic coating, etc., can solve the problems of large sewage discharge, sewage discharge, power consumption, etc., and achieve pollution-free and improved electrical insulation performance Durability, simple composition effect
CN103643278AInactive Publication Date: 2014-03-19重庆普穗汽车零部件有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
重庆普穗汽车零部件有限公司
Publication Date
2014-03-19
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a micro-arc oxidation method, and particularly relates to a micro-arc oxidation method of a car part aluminum material, the micro-arc oxidation method of the car part aluminum material comprises the following steps: taking the car part aluminum material according to the needs, putting the car part aluminum material into an electrolyzer; using an electrolytic process, putting an electrolyte into the electrolyzer, opening a pulsed power supply to electrolyze the electrolyte to obtain an aluminum material ceramic membrane; washing the ceramic membrane generated on the surface of the electrolyzed aluminum material with distilled water or tap water for 1 to 3 minutes, and using water sand paper for polishing smoothly a ceramic layer of the aluminum material. The provided micro-arc oxidation ceramic membrane of the car part aluminum material is firmly combined with a substrate, is compact in structure, the electrolyte composition of the micro-arc oxidation method is simple, the micro-arc oxidation method is easy to operate and control, the produced micro-arc oxidation ceramic membrane has good wear resistance, corrosion resistance, high temperature impact resistance and electrical insulation property, and the process has no pollution to the environment, so that the durability of the car part aluminum material is greatly improved.
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Description

technical field

[0001] The invention relates to a method for micro-arc oxidation, specifically, a method for micro-arc oxidation of aluminum materials for auto parts. Background technique

[0002] Micro arc oxidation technology (Micro.arc Oxidization) is a kind of discharge through micro plasma on the surface of light alloy. A new technology for in-situ growth of oxide ceramic films through complex electrochemical, plasma chemical and thermochemical processes. It can improve the surface quality of aluminum and aluminum alloy products in automobile air-conditioning accessories, so that the products have a bright surface. High wear resistance, corrosion resistance, long service life and other characteristics, lay the foundation for achieving environmental protection, energy saving goals, and updating automotive air conditioning systems.

[0003] The commonly used methods of aluminum alloy surface treatment are chemical oxidation and anodic oxidation, but these treatment meth...

Claims

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