High current pulsed electron beam modification on   fretting wear behavior of D2 die steel

WU Aimin  1  LIU Hanwei  2  ZOU Jianxin  1  ZHOU Zhongrong  2  DONG Chuang  1  1

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High current pulsed electron beam modification on fretting wear behavior of D2 die steel

更新时间：2021-03-12

- High current pulsed electron beam modification on fretting wear behavior of D2 die steel
- NUCLEAR TECHNIQUES Issue 9, (2002)
- 作者机构：
  
  1. 大连理工大学三束材料改性国家重点实验室
  2. 西南交通大学摩擦学研究所
  3. 大连理工大学三束材料改性国家重点实验室大连理工大学材料工程系大连,116024
  4. ,成都,610031
- 作者简介：
- 基金信息：
- DOI：
  CLC： TG174.4
- Published：01 September 2002
- 稿件说明：
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[1]吴爱民,刘捍卫,邹建新,周仲荣,董闯.D2钢电子束表面改性抗微动磨损性能研究[J].核技术,2002(09):758-765.

WU Aimin 1 LIU Hanwei 2 ZOU Jianxin 1 ZHOU Zhongrong 2 DONG Chuang 1 1. High current pulsed electron beam modification on fretting wear behavior of D2 die steel[J]. Nuclear techniques, 2002, (9): 758-765.
[1]吴爱民,刘捍卫,邹建新,周仲荣,董闯.D2钢电子束表面改性抗微动磨损性能研究[J].核技术,2002(09):758-765. DOI：

WU Aimin 1 LIU Hanwei 2 ZOU Jianxin 1 ZHOU Zhongrong 2 DONG Chuang 1 1. High current pulsed electron beam modification on fretting wear behavior of D2 die steel[J]. Nuclear techniques, 2002, (9): 758-765. DOI：

摘要

利用强流脉冲电子束（HCPEB）技术对D2钢进行了表面改性处理。结果表明

电子束轰击试样近表层组织结构发生了很大变化

且亚表层显微硬度明显增加。微动磨损结果显示

电子束处理可以改善D2钢抗微动磨损性能

预涂覆TiN和Cr层效果更明显。磨痕SEM分析表明

涂覆Cr层的样品微动磨损主要机制是粘着和氧化

而TiN涂层及电子束直接处理试样主要磨损机制则是表面疲劳微裂纹的扩展和断裂产生的剥落颗粒

在摩擦面造成磨粒磨损

同时也伴随轻微的粘着和氧化

其磨损机制相对比较复杂

Abstract

This paper studied the effect of high current pulsed electron beam (HCPEB) treatment on fretting wear ability of D2 die steel. It is shown that the most pronounced structural changes occur in the near-surface region

where the energy deposition is at its maximum. The fretting tests under dry condition were carried out on both treated and untreated specimens. The HCPEB treatment increases the fretting wear resistance significantly

and the improvement is further enhanced by surface pre-alloying by TiN and Cr. SEM analysis of the wear scars showed that the fretting wear mechanism of Cr coating is adhesive and oxidation wear

that of the TiN coating and non-coating D2 die steel is particle detachment through the propagation and fracture of fatigue microcracks on surface

and slight adhesive and oxidation wear is found

its wear mechanism is more complex.

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Related Institution

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中国科学院兰州化物所固体润滑国家重点实验室

材料科学与工程系

大连理工大学三束材料改性国家重点实验室

Science and Technology on Reactor System Design Technology Laboratory, Nuclear Power Institute of China

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