Anodic Oxide Coating Preparation of Aluminum Alloy With Dirrect Current

doi:10.3696/j.issn.1672-6952.2010.01.012

Journal of Liaoning Petrochemical University ›› 2010, Vol. 30 ›› Issue (1): 41-43.DOI: 10.3696/j.issn.1672-6952.2010.01.012

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Anodic Oxide Coating Preparation of Aluminum Alloy With Dirrect Current

ZHANG Xing

Liaoning Shihua University, Fushun Liaoning 113001, P.R.China

Received:2009-09-04 Published:2010-03-25 Online:2017-07-05

铝合金直流电阳极氧化膜的制备

张兴

辽宁石油化工大学,辽宁抚顺113001

作者简介:张兴(1960- ),男,山东单县,副教授。

Abstract

Abstract:

As sample, industrial pure aluminum L2 after surface preparation and anodic oxide coating with D.C. was studied. The effect of oxidation time and voltage on thickness and hardness of anodic oxide coating was discussed. The results of SEM, EDS and analysis of the cross section of the sample coated oxide film show that optimal condition of anodic oxide coating preparations are as follows: 200 g/L H₂SO₄,1 g/L Al₂O₃, D.C. 10 V, 40 min oxidant time, (20±1) ℃. Under this condition, uniform, harder and tighter with the basal body of the sample can be obtained. Moreover, it was found that the film is become thicker and the hardness is deceased with increasing the oxidant time.

Key words: Aluminum alloy , , Direct current , , Anodic oxide coating , , Film thickness , , Film hardness

摘要： 以工业纯铝L2为试样,对其表面经预处理后进行直流电阳极氧化,考察了氧化时间、氧化电压对氧
化膜厚度、膜硬度的影响,并对经阳极氧化的试样横截面进行SEM 和EDS测试分析。研究结果表明,在电解液成分
H₂SO₄的质量浓度为200g/L、Al₂O₃的质量浓度为1g/L,直流氧化电压为10V,氧化时间为40min,温度为(20±
1)℃的条件下,可以获得均匀、与试样基体结合紧密、膜硬度相对较高的的氧化膜。而且随着氧化时间的增加,可以
得到相对较大的膜厚度,但膜硬度相对降低。

关键词: 铝合金 , 直流电 , , 阳极氧化膜 , , 膜厚度 , 膜硬度

ZHANG Xing. Anodic Oxide Coating Preparation of Aluminum Alloy With Dirrect Current[J]. Journal of Liaoning Petrochemical University, 2010, 30(1): 41-43.

张兴. 铝合金直流电阳极氧化膜的制备[J]. 辽宁石油化工大学学报, 2010, 30(1): 41-43.

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Anodic Oxide Coating Preparation of Aluminum Alloy With Dirrect Current

铝合金直流电阳极氧化膜的制备

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