Microstructure, mechanical properties and bio-corrosion properties of Mg-Zn-Mn-Ca alloy for biomedical application
文献类型：期刊论文
| 作者 | E. L. Zhang ; L. Yang |
| 刊名 | Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing
 |
| 出版日期 | 2008 |
| 卷号 | 497期号:1-2页码:111-118 |
| 关键词 | Magnesium alloy Calcium Microstructure Mechanical properties Corrosion properties in-vivo corrosion wt.percent zn tensile properties magnesium alloys az91d alloy behavior bone temperature refinement additions |
| ISSN号 | 0921-5093 |
| 中文摘要 | Microstructure, mechanical properties and bio-corrosion properties of as-cast Mg-Zn-Mn-Ca alloys were investigated for biomedical application in detail by optical microscopy, scanning electronic microscopy (SEM), mechanical properties testing and electrochemical measurement. SEM and optical microscopy observation indicated that the grain size of the as-cast alloys significantly decreased with the increasing of Ca content up to 0.5 wt%. Further increasing of Ca content did not refine the grain more. The phase constitute was mainly controlled by the atomic ratio of Zn to Ca. When the ratio was more than 1.0-1.2, the alloy was mainly composed of primary Mg and lamellar eutectic (alpha-Mg+Ca(2)Mg(6)Zn(3)), while the alloy was composed of primary Mg and divorced eutectic (alpha-Mg+ Mg(2)Ca +Ca(2)Mg(6)Zn(3)) when the atomic ratio was less than 1.0-1.2. The yield strength of the as-cast alloy increased but the elongation and the tensile strength increased first and then decreased with the increasing of Ca content. It was thought that Mg2Ca phase deteriorated the tensile strength and ductility. Electrochemical measurements indicated that Mg(2)Ca phase improved the corrosion resistance of the as-cast alloy. (C) 2008 Elsevier B.V. All rights reserved. |
| 原文出处 | |
| 公开日期 | 2012-04-13 |
| 源URL | [http://210.72.142.130/handle/321006/33309]  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 推荐引用方式 GB/T 7714 | E. L. Zhang,L. Yang. Microstructure, mechanical properties and bio-corrosion properties of Mg-Zn-Mn-Ca alloy for biomedical application[J]. Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing,2008,497(1-2):111-118. |
| APA | E. L. Zhang,&L. Yang.(2008).Microstructure, mechanical properties and bio-corrosion properties of Mg-Zn-Mn-Ca alloy for biomedical application.Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing,497(1-2),111-118. |
| MLA | E. L. Zhang,et al."Microstructure, mechanical properties and bio-corrosion properties of Mg-Zn-Mn-Ca alloy for biomedical application".Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing 497.1-2(2008):111-118. |
入库方式： OAI收割
来源：金属研究所
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