Microstructure and Corrosion Properties of Bio-Composite Coating Containing Ti Formed on AZ91 Alloy | |
Wang Yaming1,2; Wang Fuhui1,3; Ouyang Jiahu; Jia Dechang; Zhou Yu | |
刊名 | RARE METAL MATERIALS AND ENGINEERING
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2009-12-01 | |
卷号 | 38页码:739-742 |
关键词 | Mg alloy biocoating microstructure corrosion |
ISSN号 | 1002-185X |
通讯作者 | Wang Yaming() |
英文摘要 | The pure Ti layer was presetted on AZ91 surface by cold spraying; consequently the top Ti layer was subjected to the microarc oxidation treatment to enhance the bioactivity. The microstructure of coatings on Mg alloy was examined using SEM, XRD and EDS methods. The corrosion resistance of the A291 alloy with Ti coating in simulated body fluid (SBF) was evaluated by dynamic potential polarizing test. The results show that the presetted Ti layer, with about 100 mu m thickness, is rather rough in the surface. After microarc oxidation treatment, a thin film with rather fine discharging pores was formed on the Ti layer surface. The newly formed film is mainly composed of Ti(2)O(3) phase, also containing a small amount of amorphous component such as Ca and P. The micoarc oxidation treatment is helpful to improve the bioactivity and density of Ti layer. The self-corrosion potential of composite coating containing Ti is increased by about 0.3 V in SBF, which indicates that the corrosion resistance capacity is improved. |
WOS研究方向 | Materials Science ; Metallurgy & Metallurgical Engineering |
语种 | 英语 |
出版者 | NORTHWEST INST NONFERROUS METAL RESEARCH |
WOS记录号 | WOS:000273803000022 |
内容类型 | 期刊论文 |
源URL | [http://ir.imr.ac.cn/handle/321006/96532] ![]() |
专题 | 金属研究所_中国科学院金属研究所 |
通讯作者 | Wang Yaming |
作者单位 | 1.Harbin Engn Univ, Harbin 150001, Peoples R China 2.Harbin Inst Technol, Inst Adv Ceram, Harbin 150001, Peoples R China 3.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China |
推荐引用方式 GB/T 7714 | Wang Yaming,Wang Fuhui,Ouyang Jiahu,et al. Microstructure and Corrosion Properties of Bio-Composite Coating Containing Ti Formed on AZ91 Alloy[J]. RARE METAL MATERIALS AND ENGINEERING,2009,38:739-742. |
APA | Wang Yaming,Wang Fuhui,Ouyang Jiahu,Jia Dechang,&Zhou Yu.(2009).Microstructure and Corrosion Properties of Bio-Composite Coating Containing Ti Formed on AZ91 Alloy.RARE METAL MATERIALS AND ENGINEERING,38,739-742. |
MLA | Wang Yaming,et al."Microstructure and Corrosion Properties of Bio-Composite Coating Containing Ti Formed on AZ91 Alloy".RARE METAL MATERIALS AND ENGINEERING 38(2009):739-742. |
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