Effect of  Deformation on Structure and Mechanical Properties of Non-Orientation Silicon Steel 50W470

孙述利; 郭东城; 刘江; 宋文军; 杨宗翰; 罗玉田

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Effect of Deformation on Structure and Mechanical Properties of Non-Orientation Silicon Steel 50W470

更新时间：2026-01-21

- Effect of Deformation on Structure and Mechanical Properties of Non-Orientation Silicon Steel 50W470
- Special Steel Vol. 26, Issue 5, Pages: 14-15(2005)
- 作者机构：
  
  1. 太原科技大学材料学院,太原,030024
  2. 太原钢铁有限公司,太原,030003
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：07 March 2005，
  
  Online First：30 March 2023，
  
  Published：30 March 2005
- 稿件说明：
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孙述利, 郭东城, 刘江, et al. Effect of Deformation on Structure and Mechanical Properties of Non-Orientation Silicon Steel 50W470[J]. Special Steel, 2005, 26(5): 14-15.
DOI：

孙述利, 郭东城, 刘江, et al. Effect of Deformation on Structure and Mechanical Properties of Non-Orientation Silicon Steel 50W470[J]. Special Steel, 2005, 26(5): 14-15. DOI：

摘要

2.0~2.8mm的50W470无取向硅钢(%:≤0.005C

1.45~1.65Si

0.2~0.4Al)经20辊森吉米尔可逆式轧机5道次轧制成0.5mm的轧卷

各道次压下率15%~35%

总压下率为75%~80%。试验结果表明

经5道次轧制后钢中晶粒全部细纤维化

抗拉强度由坯料的480~560MPa增加至885~905MPa

伸长率δ

由25%~28%降至0.7%~0.8%。经X射线衍射谱线型分析表明

经5道次轧制后的无取向硅钢50W470中存在残余内应力(第2类内应力)是形成冲片椭圆度的重要原因。

Abstract

The 0.5 mm non-orientation silicon steel 50W470 (≤0.005C

1.45～1.65Si

0.2~0.4Al)coil was rolled by twenty- high Sendzimir mill from 2.0~2.8 mm plate with pass reduction 15%～35% and total reduction 75%~80%.The test results showed that with 5 pass rolling the grains in steel were all fibration

the tensile strength increased to 885~905 MPa from 480~560 MPa rolling billet

clongation s decreased to 0.79%~0.8% from 25%～28%.And the X-ray diffraction spectrum analysis showed that with 5 pass rolling the residual stress(secondary stress)existed in non-orientation silicon steel 50W470 which was main cause to form elliptical type stamping.

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