电脉冲处理及其辅助金属加工技术研究现状

孙富建; 万上; 肖罡; 李时春; 刘奕梁; 万可谦

doi:10.11973/jxgccl202112001

电脉冲处理及其辅助金属加工技术研究现状

孙富建^1,2,
万上^1,2,
肖罡^1,2,3,
李时春^1,2,
刘奕梁^1,2,
万可谦³

1. 湖南科技大学难加工材料高效精密加工湖南省重点实验室;
2.湖南科技大学机电工程学院, 湘潭 411201;
3. 江西科骏实业有限公司, 南昌 330100

基金项目:

国家自然科学基金青年项目（51805165，52075159）；湖南省自然科学基金资助项目（2019JJ50195）；江西省教育厅科学技术研究项目（GJJ203001）；国家金属材料近净成形工程技术研究中心开放基金资助项目（2020013）

详细信息

作者简介:
孙富建(1986-)，男，山东聊城人，副教授，博士

中图分类号: TG115.26
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- 文章访问数: 11
- HTML全文浏览量: 4
- PDF下载量: 4
出版历程
- 收稿日期: 2020-11-03
- 修回日期: 2021-11-15
- 刊出日期: 2021-12-19

Research Status of Pulse Current Treatment and Assisted Metal Manufacturing Technology

1. Hunan Provincial Key Laboratory of High Efficiency and Precision Machining of Difficult-to-Cut Material;
2.School of Mechanical Engineering, Hunan University of Science and Technology, Xiangtan 411201, China;
3. Jiangxi KMAX Industrial Co., Ltd., Nanchang 330100, China

摘要

摘要: 电脉冲施加于金属材料时会产生热效应与非热效应，两种效应的耦合作用能够促进位错移动和原子扩散，提高空位扩散的迁移率，导致金属材料的微观结构演变，形成电致塑性效应。从电致塑性效应的基本理论出发，综述了电脉冲处理调控金属材料组织结构的研究进展以及电脉冲在辅助塑性加工和切削加工方面的应用情况，指出未来研究重点应集中在电脉冲处理及其辅助加工中热效应和非热效应的耦合机理以及复杂结构零部件加工时的电流密度分布等方面。
- 电脉冲 /
- 热效应 /
- 非热效应 /
- 微观结构转变 /
- 电致塑性效应
Abstract: When pulse currents are applied to metal materials, thermal and non-thermal effects will occur.The coupling of the two effects can promote dislocation movement and atom diffusion and increase the mobility of vacancy diffusion, leading to the evolution of microstructure of metal materials and forming an electroplastic effect.On the basis of the basic theory of electroplastic effects, the research progress on the pulse current treatment regulating the microstructure of metal materials and the application of pulse currents in auxiliary plastic processing and cutting processing are reviewed.It is pointed out that future researches are focused on the coupling mechanism of thermal effects and non-thermal effects in pulse current treatment and pulse current assisted processing, and current density distribution in application to complex structure parts, etc.
- pulse current /
- thermal effect /
- non-thermal effect /
- microstructural transformation /
- electroplastic effect

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参考文献(42)

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电脉冲处理及其辅助金属加工技术研究现状

作者简介: 孙富建(1986-)，男，山东聊城人，副教授，博士

计量

出版历程

Research Status of Pulse Current Treatment and Assisted Metal Manufacturing Technology

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出版历程

目录

作者简介:
孙富建(1986-)，男，山东聊城人，副教授，博士