Effect of blanking on magnetic and mechanical properties of non-oriented electrical steel

被引：1
|
作者：
Cui, Ronggao [1 ,2 ]
Li, Shuhui [1 ,2 ]
He, Ji [1 ,2 ]
机构：
[1] Shanghai Jiao Tong Univ, State Key Lab Mech Syst & Vibrat, Shanghai 200240, Peoples R China
[2] Shanghai Jiao Tong Univ, Shanghai Key Lab Digital Manufacture Thin Walled, Shanghai 200240, Peoples R China
来源：
18TH INTERNATIONAL CONFERENCE ON METAL FORMING 2020 | 2020年 / 50卷
基金：
中国国家自然科学基金;
关键词：
Blanking; magnetic properties; mechanical properties;
D O I：
10.1016/j.promfg.2020.08.005
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
World-wide blanking is the most popular technique for producing the non-oriented electrical steel lamination. However, blanking has a great effect on magnetic property and mechanical property, such as the introduction of uneven residual stress, the deterioration of magnetic properties and the increase of micro-hardness. In this research, non-oriented electrical steel sheets are investigated via blanking test by 3 kinds of punches. The blanking edges are examined by the optical microscopy and micro-hardness test to visualize the distribution of micro-hardness. The magnetic properties are also measured. The results show that the blanking clearance has a great influence on magnetic properties and mechanical properties of the blanked material. (C) 2020 The Authors. Published by Elsevier B.V.
引用
收藏
页码：22 / 25
页数：4
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