Characteristics of anodic coatings oxidized to different voltage on AZ91D Mg alloy by micro-arc oxidization technique

doi:10.1002/maco.200403822

	Characteristics of anodic coatings oxidized to different voltage on AZ91D Mg alloy by micro-arc oxidization technique
	Wang, Y; Wang, J ; Zhang, J; Zhang, Z
	2005-02-01
发表期刊	MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION
ISSN	0947-5117
卷号	56 期号:2 页码:88-92
文章类型	Article
摘要	With increasing applied voltage, three types of anodic coatings, passive film, micro-spark ceramic coating and spark ceramic coating were made by micro-arc oxidization (MAO) technique on AZ91D magnesium alloy in alkali-silicate solution. The structure, composition characteristics and the electrochemical properties of coatings were also studied with SEM, XRD and EIS (electrochemical impedance spectroscopy) technique, respectively. It is found that the electrochemical properties are closely related to the structure and composition characteristics of the anodic coatings. At the same time, the characteristics of the three types of anodic coatings differ significantly, among them, the micro-spark ceramic coating, prepared in the voltage range of 170similar to220V exhibits compact, homogeneous structure and highest corrosion-resistance.; With increasing applied voltage, three types of anodic coatings, passive film, micro-spark ceramic coating and spark ceramic coating were made by micro-arc oxidization (MAO) technique on AZ91D magnesium alloy in alkali-silicate solution. The structure, composition characteristics and the electrochemical properties of coatings were also studied with SEM, XRD and EIS (electrochemical impedance spectroscopy) technique, respectively. It is found that the electrochemical properties are closely related to the structure and composition characteristics of the anodic coatings. At the same time, the characteristics of the three types of anodic coatings differ significantly, among them, the micro-spark ceramic coating, prepared in the voltage range of 170similar to220V exhibits compact, homogeneous structure and highest corrosion-resistance.
关键词	Koh-aluminate Solutions Surface-treatment Oxidation Magnesium Sparking Layers Films Anof
学科领域	Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
DOI	10.1002/maco.200403822
URL	查看原文
收录类别	SCI
语种	英语
WOS记录号	WOS:000227241500003
引用统计	被引频次：45[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.qdio.ac.cn/handle/337002/2300
专题	海洋环境腐蚀与生物污损重点实验室
作者单位	1.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China 2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China 3.Ocean Univ Qingdao, Qingdao 266003, Peoples R China 4.State Key Lab Corros & Protect Met, New Delhi 110016, India
推荐引用方式 GB/T 7714	Wang, Y,Wang, J,Zhang, J,et al. Characteristics of anodic coatings oxidized to different voltage on AZ91D Mg alloy by micro-arc oxidization technique[J]. MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION,2005,56(2):88-92.
APA	Wang, Y,Wang, J,Zhang, J,&Zhang, Z.(2005).Characteristics of anodic coatings oxidized to different voltage on AZ91D Mg alloy by micro-arc oxidization technique.MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION,56(2),88-92.
MLA	Wang, Y,et al."Characteristics of anodic coatings oxidized to different voltage on AZ91D Mg alloy by micro-arc oxidization technique".MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION 56.2(2005):88-92.

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