Effect of Cr on Magnetic Properties of Non-Oriented Silicon Steel

张峰; 李光强

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Effect of Cr on Magnetic Properties of Non-Oriented Silicon Steel

更新时间：2026-01-21

- Effect of Cr on Magnetic Properties of Non-Oriented Silicon Steel
- Special Steel Vol. 31, Issue 3, Pages: 57-58(2010)
- 作者机构：
  
  1. 武汉科技大学钢铁冶金及资源利用省部共建教育部重点实验室,武汉,430081
  2. 宝山钢铁股份有限公司硅钢部,上海,200941
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：04 November 2009，
  
  Online First：07 November 2022，
  
  Published：07 November 2010
- 稿件说明：
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张峰, 李光强. Effect of Cr on Magnetic Properties of Non-Oriented Silicon Steel[J]. Special Steel, 2010, 31(3): 57-58.
DOI：

张峰, 李光强. Effect of Cr on Magnetic Properties of Non-Oriented Silicon Steel[J]. Special Steel, 2010, 31(3): 57-58. DOI：

摘要

分析了钢中Cr的氧化、氮化反应热力学

试验研究了0.025%～0.045%Cr对900℃退火+750～1 050℃二次退火的0.5 mm无取向硅钢(%:0.001 8C、0.45Si、0.45Mn、0.106P、0.003S、0.001 2N)磁性能的影响。结果表明

钢中含Cr氮化物析出温度为913 K

在热轧精轧和卷取过程中析出;随钢中Cr含量的增加

钢的晶粒尺寸减少

铁损中的磁滞损耗增加

而涡流损耗变化不大

为保证钢的电磁性能

应控制钢中Cr含量≤0.03%。

Abstract

The thermodynamics of oxidizing and nitriding reaction of Cr in steel is analyzed and the effect of 0. 025% - 0. 045% Cr on magnetic properties of 0. 5 mm non-oriented silicon steel (% : 0. 001 8C

0.45Si

0.45Mn

0. 106P

0. 003S

0. 001 2N) annealed at 900 ℃ + secondary annealed at 750 ~ 1 050 ℃ is tested and studied. Results show that the precipitation temperature of nitride of Cr in steel is 913 K

i. e. it precipitates during hot finishing rolling and coiling process ； with increasing Cr content in steel

the grain size of steel decreases

for core loss the hysteresis loss increases

while change of vortex loss is little

in order to ensure the magnetic properties of steel

the Cr content in steel should be controlled ≤0. 03%.

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