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Research on the corrosion resistance and formation of double-layer calcium phosphate coating on AZ31 obtained at varied temperatures
Y. J. Lu; P. Wan; B. C. Zhang; L. L. Tan; K. Yang; J. X. Lin
2014
Source PublicationMaterials Science & Engineering C-Materials for Biological Applications
ISSN0928-4931
Volume43Pages:264-271
AbstractIn this study, the effect of varied processing temperatures on the corrosion resistance and formation of dual-layer calcium phosphate coating on AZ31 was investigated. The microstructure, phase and morphology were characterized by a scanning electron microscope (SEM), energy-dispersive X-ray spectroscopy (EDS), and X-ray diffractometer (XRD), respectively. The in vitro degradation behavior of coated AZ31 samples were evaluated by electrochemical and immersion tests in simulated body fluid. The results showed that the varied processing temperatures responded to different microstructure, phase and morphology; and a dual-layer coating was formed during the deposition process at 70 degrees C. Meanwhile the higher processing temperature induced a faster coating formation rate and greater surface coverage. The in vitro degradation tests in simulated body fluid indicated that the corrosion rates of AZ31 alloy were effectively decreased with increasing processing temperature, which was attributed to the denser protective coating. The formation mechanism of dual-layer coating influenced by deposition temperature was proposed. (C) 2014 Elsevier B.V. All rights reserved.
description.department[lu, yanjin ; lin, jinxin] chinese acad sci, fujian inst res struct matter, fuzhou 350002, peoples r china. [lu, yanjin ; wan, peng ; zhang, bingchun ; tan, lili ; yang, ke] chinese acad sci, inst met res, shenyang 110016, peoples r china. ; yang, k (reprint author), chinese acad sci, inst met res, 72 wenhua rd, shenyang 110016, peoples r china. ; kyang@imr.ac.cn ; franklin@fjirsm.ac.cn
KeywordMagnesium Alloy Chemical Deposition Calcium Phosphate Coating Degradation Coated Magnesium Alloy In-vitro Degradation Simulated Body-fluid Hydrothermal Treatment Sintering Temperature Hydroxyapatite Behavior Microstructure Precipitation Surface
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/73330
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Y. J. Lu,P. Wan,B. C. Zhang,et al. Research on the corrosion resistance and formation of double-layer calcium phosphate coating on AZ31 obtained at varied temperatures[J]. Materials Science & Engineering C-Materials for Biological Applications,2014,43:264-271.
APA Y. J. Lu,P. Wan,B. C. Zhang,L. L. Tan,K. Yang,&J. X. Lin.(2014).Research on the corrosion resistance and formation of double-layer calcium phosphate coating on AZ31 obtained at varied temperatures.Materials Science & Engineering C-Materials for Biological Applications,43,264-271.
MLA Y. J. Lu,et al."Research on the corrosion resistance and formation of double-layer calcium phosphate coating on AZ31 obtained at varied temperatures".Materials Science & Engineering C-Materials for Biological Applications 43(2014):264-271.
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