| Zn元素对Mg-25Sn合金组织和力学性能的影响 |
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| 引用本文： | 王蓉,房灿峰,徐尊严,王荫洋,仲崇宇. Zn元素对Mg-25Sn合金组织和力学性能的影响[J]. 稀有金属材料与工程, 2021, 50(3): 1032-1036 |
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| 作者姓名： | 王蓉 房灿峰 徐尊严 王荫洋 仲崇宇 |
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| 作者单位： | 大连理工大学 辽宁省凝固控制与数字化制备技术重点实验室,大连理工大学 辽宁省凝固控制与数字化制备技术重点实验室,大连理工大学 辽宁省凝固控制与数字化制备技术重点实验室,大连理工大学 辽宁省凝固控制与数字化制备技术重点实验室,大连理工大学 辽宁省凝固控制与数字化制备技术重点实验室 |
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| 基金项目： | 国家自然科学基金(51374047);江苏省自然科学基金(BK20181162);中央高校基本科研业务费专项资金(DUT18LAB03) |
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| 摘 要： | 以Mg 粉、Sn 粉和Zn 粉为初始原料,采用机械合金化和热压烧结的方法制备Mg-25Sn-xZn 合金.研究了Zn 添加量对Mg-25Sn 合金显微组织和性能的影响.结果表明:Mg-25Sn-xZn 体系的机械合金化过程中,Zn 元素不参与合金化反应,但Zn 的引入降低了Mg+Mg2Sn 混合物的尺寸.除固溶外,烧结...
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| 关 键 词： | 镁合金 机械合金化 热压烧结 |
| 收稿时间： | 2020-05-16 |
| 修稿时间： | 2020-06-27 |
Effect of Zn on Microstructures and Mechanical Properties of Mg-25Sn Alloys |
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| Wang Rong,Fang Canfeng,Xu Zunyan,Wang Yinyang and Zhong Chongyu. Effect of Zn on Microstructures and Mechanical Properties of Mg-25Sn Alloys[J]. Rare Metal Materials and Engineering, 2021, 50(3): 1032-1036 |
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| Authors: | Wang Rong Fang Canfeng Xu Zunyan Wang Yinyang Zhong Chongyu |
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| Affiliation: | Key Laboratory of Solidification Control and Digital Preparation Technology Liaoning Province,Dalian University of Technology,Key Laboratory of Solidification Control and Digital Preparation Technology Liaoning Province,Dalian University of Technology,Key Laboratory of Solidification Control and Digital Preparation Technology Liaoning Province,Dalian University of Technology,Key Laboratory of Solidification Control and Digital Preparation Technology Liaoning Province,Dalian University of Technology,Key Laboratory of Solidification Control and Digital Preparation Technology Liaoning Province,Dalian University of Technology |
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| Abstract: | Mg-25Sn-xZn alloys were prepared by mechanical alloying and hot-press sintering methods using Mg powders, Sn powders and Zn powders as raw materials. The effects of the Zn content on microstructures and mechanical properties of the Mg-25Sn alloys were studied. The results show that Zn didn"t participate with the alloying reaction in the mechanical alloy process of Mg-25Sn-xZn system, but the introduction of Zn reduced the size of Mg+Mg2Sn mixture. The Zn in the sintered Mg-25Sn-xZn was completely transformed into MgZn2 phase except the solution. And with the increase of the Zn content, the size of MgZn2 phase gradually increased. MgZn2 phase was preferentially distributed along Mg grain boundary and around Mg2Sn particle phase. When the Zn addition is 6wt%, the Mg-25Sn alloy exhibited excellent mechanical properties, hardness, yield strength, fracture strength and strain are 1.60GPa, 388MPa, 497MPa and 7.5% respectively. |
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| Keywords: | magnesium alloy mechanical alloying hot-press sintering |
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