Effect of HCPEB surface modification on microstructure and properties of wrought Mg alloy AZ31

CAO Hui~1 HAO Yi~1 ZHANG Wenfeng~1 GAO Bo~1 TU Ganfeng~1 HAO Shengzhi~2 DONG Chuang~2 1

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Effect of HCPEB surface modification on microstructure and properties of wrought Mg alloy AZ31

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- Effect of HCPEB surface modification on microstructure and properties of wrought Mg alloy AZ31
- NUCLEAR TECHNIQUES Vol. 33, Issue 12, (2010)
- 作者机构：
  
  1. 东北大学材料与冶金学院
  2. 大连理工大学三束材料改性教育部重点实验室
- 作者简介：
- 基金信息：
  
  国家十一五科技支撑计划重点项目(2009BAE80B01);教育部博士点新教师基金(200801451082);重点实验室开放课题(DP1050902);中央高校基本科研业务费专项基金(N090602009,N100402010)资助
- DOI：
  CLC： TG661
- Published：01 December 2010
- 稿件说明：
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[1]曹辉,郝仪,张文凤,高波,涂赣峰,郝胜智,董闯.电子束表面改性对变形镁合金AZ31结构和性能的影响[J].核技术,2010,33(12):881-885.

CAO Hui~1 HAO Yi~1 ZHANG Wenfeng~1 GAO Bo~1 TU Ganfeng~1 HAO Shengzhi~2 DONG Chuang~2 1. Effect of HCPEB surface modification on microstructure and properties of wrought Mg alloy AZ31[J]. Nuclear techniques, 2010, 33(12): 881-885.
[1]曹辉,郝仪,张文凤,高波,涂赣峰,郝胜智,董闯.电子束表面改性对变形镁合金AZ31结构和性能的影响[J].核技术,2010,33(12):881-885. DOI：

CAO Hui~1 HAO Yi~1 ZHANG Wenfeng~1 GAO Bo~1 TU Ganfeng~1 HAO Shengzhi~2 DONG Chuang~2 1. Effect of HCPEB surface modification on microstructure and properties of wrought Mg alloy AZ31[J]. Nuclear techniques, 2010, 33(12): 881-885. DOI：

摘要

本文用强流脉冲电子束对变形镁合金AZ31进行表面处理。用光学显微镜、扫描电镜和X射线衍射分析表面处理层形貌和组织结构

并测试显微硬度和摩擦磨损性能。结果表明

处理样品表面完全重熔

残存有数百MPa压应力

且随脉冲次数增加

改性层加深

距表面数百μm范围内显微硬度均呈增加

15次脉冲处理后样品相对抗磨性提高5.6倍。

Abstract

Wrought magnesium alloy AZ31 samples were bombarded by high current pulsed electron beam (HCPEB)

so as to improve the material’s performance of sliding friction and wear resistance.The modified surface layer was characterized using optical microscope

scanning electron microscope and X-ray diffraction.Mechanical properties of microhardness and wear resistance were investigated in detail.The results show that the surface of HCPEB-treated samples melted completely and remained a stress in hundreds of MPa.Also

treated by pulses of increased numbers

microhardness of the sample surface increased in extended depths in hundreds of micrometers. After HCPEB treatment of 15 pulses

wear resistance of sample is 5.6 times greater than the virgin sample.

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Related Author

ZHANG Xiangdong1

2 HAO Shengzhi1 Thierry Grosdidier2 DONG Chuang1 1

高泰瑞

董闯

郝胜智

贺冬云

徐洋

张向东

Related Institution

Key Laboratory of Materials Modification by Laser,Ion and Electron Beams

Key Laboratory of Ministry of Education for Materials Modification by Laser, Ion and Electron Beams, Dalian University of Technology

School of Materials and Metallurgy,Northeastern University.Shenyang 110004.China) 2

Collage of Material Science and Engineering, Jiangsu University

State Key Lab. for Materials Modification by Laser, Ion and Electron Beams, Department of Material Science and Engineering, Dalian University of Technology

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