| Effect of cooling rate and composition on microstructures and properties of Zn-Mg alloys |
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| 引用本文： | 王香 陆红梅 李新林 李莉 郑玉峰. Effect of cooling rate and composition on microstructures and properties of Zn-Mg alloys[J]. 中国有色金属学会会刊, 2007, 17(A01): 122-125 |
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| 作者姓名： | 王香 陆红梅 李新林 李莉 郑玉峰 |
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| 作者单位： | Center for Biomedical Materials and Engineering, Harbin Engineering University, Harbin 150001, China |
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| 摘 要： | The Zn-Mg alloys with Mg additions of 35%, 40% and 45%（mass fraction） were prepared by conventional casting method, with the aim to develop new biodegradable materials. The effects of cooling rate and composition on the microstructures, hardness and corrosion resistance were studied by XRD, SEM, microhardness and corrosion testing techniques. The corrosion behaviors of experimental alloys in simulated body fluids were analyzed. The results show that the amount of the petal-like MgZn2 phase decreases, as well as the hardness of the alloys, but that of the polygonal MgZn2 phase increases with the increase of Mg content when the cooling rate is constant. When the alloy composition is constant, the MgZn2 phase changes easily from petal-like to polygon, and the hardness decreases with the decrease of the cooling rate.
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| 关 键 词： | 锌 镁 合金 微观结构 腐蚀行为 |
| 收稿时间： | 2007-07-15 |
| 修稿时间： | 2007-09-10 |
Effect of cooling rate and composition on microstructures and properties of Zn-Mg alloys |
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| WANG Xiang, LU Hong-mei, LI Xin-lin, LI Li, ZHENG Yu-feng. Effect of cooling rate and composition on microstructures and properties of Zn-Mg alloys[J]. Transactions of Nonferrous Metals Society of China, 2007, 17(A01): 122-125 |
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| Authors: | WANG Xiang LU Hong-mei LI Xin-lin LI Li ZHENG Yu-feng |
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| Abstract: | |
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| Keywords: | Zn-Mg alloys microstructure corrosion behavior |
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