Electrophysical Model of the Micro-Arc Oxidation Process

被引：4
|
作者：
Golubkov, P. E. [1 ]
Pecherskaya, E. A. [1 ]
Artamonov, D. V. [1 ]
Zinchenko, T. O. [1 ]
Gerasimova, Yu. E. [1 ]
Rozenberg, N. V. [1 ]
机构：
[1] Penza State Univ, Penza, Russia
来源：
RUSSIAN PHYSICS JOURNAL | 2020年 / 62卷 / 11期
基金：
俄罗斯基础研究基金会;
关键词：
micro-arc oxidation; equivalent electrical circuit; mathematical modeling; PLASMA ELECTROLYTIC OXIDATION; CORROSION-RESISTANCE; COATINGS; PEO; MICROSTRUCTURE; MAGNESIUM; PROTECTION; MECHANISM; BEHAVIOR; ALLOY;
D O I：
10.1007/s11182-020-01958-z
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
On the basis of the equivalent electrical circuit proposed by the authors, a mathematical model of the formation of protective coatings by the micro-arc oxidation method has been developed, which allows modeling the forming curve at the anodizing stage. Expressions are derived for the surface porosity of the anodic oxide film and the minimum electron current flowing through the pores during the film breakdown. The conditions for the appearance of vapor-gas bubbles are considered. Using the Kolmogorov-Johnson-Mehl- Avrami equation, the possibility of calculating the fraction of formed crystalline aluminum oxide as a result of a phase transition is shown. The research results can be used to develop a generalized mathematical model of the micro-arc oxidation process.
引用
收藏
页码：2137 / 2144
页数：8
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