Effect of Mg10Al2Nd Master Alloy on the Grain Refinement of Mg3Nd Alloy

WANG Lei; FENG Yi cheng; ZHAO Si cong; GUO Er jun; CHEN Yan hong; WANG Li ping

doi:1015938/jjhust201905002

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Effect of Mg10Al2Nd Master Alloy on the Grain Refinement of Mg3Nd Alloy

更新时间：2026-08-31

- Effect of Mg10Al2Nd Master Alloy on the Grain Refinement of Mg3Nd Alloy
- Vol. 24, Issue 5, Pages: 7-12(2019)
- 作者机构：
  
  哈尔滨理工大学材料科学与工程学院,黑龙江,哈尔滨,150040
- 作者简介：
- 基金信息：
- DOI：1015938/jjhust201905002
  CLC： TG1462
- Published：2019
- 稿件说明：
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WANG Lei, FENG Yi cheng, ZHAO Si cong, et al. Effect of Mg10Al2Nd Master Alloy on the Grain Refinement of Mg3Nd Alloy[J]. 2019, 24(5): 7-12.
DOI：

WANG Lei, FENG Yi cheng, ZHAO Si cong, et al. Effect of Mg10Al2Nd Master Alloy on the Grain Refinement of Mg3Nd Alloy[J]. 2019, 24(5): 7-12. DOI： 1015938/jjhust201905002.

摘要

采用光学显微镜（OM），扫描电子显微镜（SEM），X射线衍射分析（XRD）等试验方法研究了Mg10Al2Nd中间合金对Mg3Nd合金的晶粒细化行为。研究结果表明：Mg10Al2Nd中间合金由αMg基体和Al2Nd颗粒组成，添加Mg10Al2Nd中间合金可以细化Mg3Nd合金，并且随着中间合金含量增加细化效果增强，添加20%的Mg10Al2Nd中间合金可使Mg3Nd合金晶粒尺寸从1242±135 μm细化至173±19 μm。晶粒细化的机理是溶质效应与Al2Nd的异质形核协同作用。

Abstract

In this study

the grain refinement behavior of Mg10Al2Nd master alloy to Mg3Nd alloy was studied by optical microscope (OM)

scanning electron microscope (SEM) and Xray diffraction (XRD) The experimental results showed that Mg10Al2Nd master alloy is composed of αMg and particle Al2Nd phases The addition of Mg10Al2Nd master alloy can refine Mg3Nd alloy

and the refining effect is enhanced as the content of Mg10Al2Nd increases By adding 20% Mg10Al2Nd

the grain size of Mg3Nd alloy was refined from 1242±135 μm to 173±19 μm The mechanism of grain refinement is the synergistic effect of solute effect and heterogeneous nucleation of Al2Nd

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Related Author

FENG Yi-cheng

ZHANG Ling-zhu

WANG Li-ping

MA Xu-liang

JIANG Wen-yong

GUO Er-jun

LIU Hong-hui

CHEN Dong-dong

Related Institution

1School of Materials Science and Engineering, Harbin University of Science and Technology

2 AECC Harbin Dong`an Engine Co LTD

Key Laboratory of Neutronics and Radiation Safety， Institute of Nuclear Safety Technology， Chinese Academy of Sciences

School of Material Science and Engineering，Harbin University of Science and Technology

哈尔滨理工大学材料科学与工程学院

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