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Study on biodegradation of the second phase Mg17Al12 in Mg-Al-Zn Alloys: In vitro experiment and thermodynamic calculation
C. Liu; H. Z. Yang; P. Wan; K. H. Wang; L. L. Tan; K. Yang
2014
Source PublicationMaterials Science & Engineering C-Materials for Biological Applications
ISSN0928-4931
Volume35Pages:1-7
AbstractThe in vitro biodegradation behavior of Mg17Al12 as a second phase in Mg-Al-Zn alloys was investigated via electrochemical measurement and immersion test. The Hank's solutions with neutral and acidic pH values were adopted as electrolytes to simulate the in vivo environment during normal and inflammatory response process. Furthermore, the local orbital density functional theory approach was employed to study the thermodynamical stability of Mg17Al12 phase. All the results proved the occurrence of pitting corrosion process with crackings for Mg17Al12 phase in Hank's solution, but with a much lower degradation rate compared with both AZ31 alloy and pure magnesium. Furthermore, a preliminary explanation on the biodegradation behaviors of Mg17Al12 phase was proposed. Crown Copyright (C) 2013 Published by Elsevier B.V. All rights reserved.
description.department[liu, chen ; wang, kehong] nanjing univ sci & technol, dept mat sci & engn, nanjing 210094, jiangsu, peoples r china. [liu, chen ; yang, huazhe ; wan, peng ; tan, lili ; yang, ke] chinese acad sci, inst met res, shenyang 110016, peoples r china. [yang, huazhe] china med univ, dept biophys, shenyang 110001, peoples r china. ; tan, ll (reprint author), chinese acad sci, inst met res, shenyang 110016, peoples r china. ; lltan@imr.ac.cn ; kyang@imr.ac.cn
KeywordMg17al12 Phase Magnesium Alloy Biodegradation Thermodynamical Stability Simulated Body-fluid Magnesium Alloys Mechanical-properties Vivo Corrosion Az31 Particles Behavior Stress
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/72553
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
C. Liu,H. Z. Yang,P. Wan,et al. Study on biodegradation of the second phase Mg17Al12 in Mg-Al-Zn Alloys: In vitro experiment and thermodynamic calculation[J]. Materials Science & Engineering C-Materials for Biological Applications,2014,35:1-7.
APA C. Liu,H. Z. Yang,P. Wan,K. H. Wang,L. L. Tan,&K. Yang.(2014).Study on biodegradation of the second phase Mg17Al12 in Mg-Al-Zn Alloys: In vitro experiment and thermodynamic calculation.Materials Science & Engineering C-Materials for Biological Applications,35,1-7.
MLA C. Liu,et al."Study on biodegradation of the second phase Mg17Al12 in Mg-Al-Zn Alloys: In vitro experiment and thermodynamic calculation".Materials Science & Engineering C-Materials for Biological Applications 35(2014):1-7.
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