Optimization of Micro-Arc Oxidation Electrode Structure by Finite Element Analysis

Author:

Wang Gui1,Xu Jin Yong2,Tang Yan1,Gao Cheng2,Shi Xiao Chao1

Affiliation:

1. Guilin University of Electronic and Technology

2. Guilin University of Electronic Technology

Abstract

In order to realize the application of finite element analysis in structural optimization of micro-arc oxidation electrode, effects of two kinds of electrode mode (one and two cathodes) on thickness and surface morphology of ceramic coatings prepared by micro-arc oxidation on aluminum alloy were researched by experiment. Meanwhile, Ansoft Maxwell finite element software was used to analysis the main influence factor (electric field intensity). We contrasted the analysis conclusion above with the forecast results in experiment. Effect of electric field intensity on thickness and surface morphology of ceramic coatings were explained from micro level, the correctness of the finite element analysis software was verified. The results show that three electrodes mode is better than two electrodes mode, the former can not only make the thickness of ceramic coatings thicker, but also make sure the size and quantity of discharge channel bigger and more, and growth power enough.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

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