The research on technical parameters optimization of AZ91D Magnesium Alloy Micro-arc Oxidation

YAN Feng-yun1; FAN Song-yan2; QIANG Xu-dong1; ZHANG Wen-qun2

Views : 0 下载量: 328 CSCD: 6

Export
Share
Collection
Album

The research on technical parameters optimization of AZ91D Magnesium Alloy Micro-arc Oxidation
Issue S1, Pages: 240-242(2008)
Published： 2008 ，
DOI：

扫描看全文

[1]阎峰云,范松岩,强旭东,张文群.AZ91D镁合金微弧氧化工艺参数的研究[J].特种铸造及有色合金,2008(S1):240-242.

YAN Feng-yun1, FAN Song-yan2, QIANG Xu-dong1, et al. The research on technical parameters optimization of AZ91D Magnesium Alloy Micro-arc Oxidation. [J]. Special Casting & Nonferrous Alloys (S1):240-242(2008)
[1]阎峰云,范松岩,强旭东,张文群.AZ91D镁合金微弧氧化工艺参数的研究[J].特种铸造及有色合金,2008(S1):240-242. DOI：

YAN Feng-yun1, FAN Song-yan2, QIANG Xu-dong1, et al. The research on technical parameters optimization of AZ91D Magnesium Alloy Micro-arc Oxidation. [J]. Special Casting & Nonferrous Alloys (S1):240-242(2008) DOI：

摘要

微弧氧化技术是一种在金属表面原位生长陶瓷膜的先进成形技术

是镁合金表面处理技术的重点发展方向

微弧氧化过程复杂

选择合适的工艺参数

优化工艺过程

对进一步提高膜层的性能来说至关重要。本课题通过试验研究了电流密度、占空比、频率和氧化时间对AZ91D镁合金陶瓷膜性能的影响

对工艺参数进行了优化。试验结果表明

AZ91D镁合金微弧氧化最佳的工艺参数:电流密度为1.0A/dm2、频率为600Hz、占空比为20%、微弧氧化时间为20min。

Abstract

Micro-arc oxidation is an advanced surface protective treatment technology of forming ceramic coatings on the metals. It is a development direction of magnesium alloy surface treatment technology. The processes of Micro-arc oxidation is complicated and chooses suitable process parameters

and optimize the process to further improve the performance of the oxidation coating is essential. In this paper through a lot of tests

studies current density

frequency

duty cycle and oxidation time on the AZ91D ceramic coating. The result of experiment shows

best technical parameters is: current density 1.0 A/dm2

frequency 600 Hz

duty cycle 20%

oxidation time 20min.