Effect of Normalizing and Annealing Process on High Frequency Magnetic Properties and Strength of Cold-Rolled Non-Oriented Silicon Steel

林媛; 苗晓

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Effect of Normalizing and Annealing Process on High Frequency Magnetic Properties and Strength of Cold-Rolled Non-Oriented Silicon Steel

更新时间：2026-01-21

- Effect of Normalizing and Annealing Process on High Frequency Magnetic Properties and Strength of Cold-Rolled Non-Oriented Silicon Steel
- Special Steel Vol. 35, Issue 3, Pages: 65-67(2014)
- 作者机构：
  
  太钢不锈钢股份有限公司技术中心,太原,030003
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：09 December 2013，
  
  Online First：02 September 2022，
  
  Published：02 September 2014
- 稿件说明：
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林媛, 苗晓. Effect of Normalizing and Annealing Process on High Frequency Magnetic Properties and Strength of Cold-Rolled Non-Oriented Silicon Steel[J]. Special Steel, 2014, 35(3): 65-67.
DOI：

林媛, 苗晓. Effect of Normalizing and Annealing Process on High Frequency Magnetic Properties and Strength of Cold-Rolled Non-Oriented Silicon Steel[J]. Special Steel, 2014, 35(3): 65-67. DOI：

摘要

冷轧无取向硅钢(/%:0.003C

2.35Si

0.22Mn

0.011P

0.002S

0.36Al

0.003 0N)经890℃或940℃3 min常化的2.3 mm热轧板冷轧成0.35 mm薄板。研究了常化温度和800~920℃3 min退火对该钢高频(400Hz)磁性能和抗拉强度的影响。结果表明

830~920℃退火时高频铁损P

10/400

值最低

随退火温度增加

晶粒尺寸增大

钢的抗拉强度降低;该钢的最佳热处理工艺为常化温度940℃

退火温度830℃

其抗拉强度R

、高频铁损P

10/400

和磁感应强度J

分别为565 MPa

21.5 W/kg和1.69 T。

Abstract

The cold-rolled non-oriented silicon steel (/%: 0.003C

2.35Si

0.22Mn

0.011P

002S

0. 36Al

0.003 0N) is cold-rolled to 0.35 mm sheet from 2. 3 mm hot-rolled plate normalized at 890 °C or 940 for 3 min. The effect of normalizing temperature and annealing process at 800 ~ 920 ℃ for 3 min on high frequency (400 Hz) magnetic properties and tensile strength of the steel has been tested and studied. Results show that with annealing at 830 ~ 920 °C the high frequency iron loss value P

10/400

is lowest

and with increasing annealing temperature the grain size increases and tensile strength of steel decreases; the optimum heat treatment process for the non-oriented steel is normalizing at 940 X. and annealing at 830 °C

in this case the tensile strength Rm

high frequency iron loss

10/400

and magnetic induction J

of steel are respectively 565 MPa

21. 5 W/kg and 1. 69 T.

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