Effect of Rare Earth Element on Structure and Magnetic Performance of Cold Rolled Non-Oriented Electrical Steel Products

光红兵; 张文康; 辛宪诚; 胡志强

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Effect of Rare Earth Element on Structure and Magnetic Performance of Cold Rolled Non-Oriented Electrical Steel Products

更新时间：2026-01-21

- Effect of Rare Earth Element on Structure and Magnetic Performance of Cold Rolled Non-Oriented Electrical Steel Products
- Special Steel Vol. 33, Issue 2, Pages: 58-61(2012)
- 作者机构：
  
  太原钢铁(集团)有限公司技术中心,太原,030003
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：19 October 2011，
  
  Online First：18 October 2022，
  
  Published：18 October 2012
- 稿件说明：
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光红兵, 张文康, 辛宪诚, et al. Effect of Rare Earth Element on Structure and Magnetic Performance of Cold Rolled Non-Oriented Electrical Steel Products[J]. Special Steel, 2012, 33(2): 58-61.
DOI：

光红兵, 张文康, 辛宪诚, et al. Effect of Rare Earth Element on Structure and Magnetic Performance of Cold Rolled Non-Oriented Electrical Steel Products[J]. Special Steel, 2012, 33(2): 58-61. DOI：

摘要

在220mm×1280mm弧形连铸机通过自动喂丝机经金属耳管向结晶器电工钢水(/%:≤0.005C、2.0～2.6Si、0.20～0.30Mn、0.008P、0.001～0.009S、0.15～0.40Al、≤0.0010[O])喂稀土丝。通过光学、电子显微镜

系统地研究了钢中稀土含量(0～0.45%RE)对0.5 mm退火的冷轧无取向电工钢成品组织和织构、夹杂物形态和分布

以及磁性能的影响。结果表明

当钢中稀土含量为0.008%～0.020%时

能有效控制细小夹杂物的有害影响

促进退火成品晶粒尺寸增大

增强有利织构组分

显著地改善了冷轧无取向电工钢成品的磁性能。

Abstract

Rare earth element ( RE) wire is fed to electric steel liquid (/% : ≤ 0.005C

2.0-2.6Si

0.20-0.30Mn

0.008P

0.001-0.009S

0.15-0.40Al

≤0.0010[O] ) in mold by auto feeding wire machine through a side tube at 220 mm x 1 280 mm curved caster. Effect of rare earth element content (0-0.45% RE) on structure and texture

morphology and distribution of inclusions

and magnetic performance of 0.5 mm annealed cold rolled non-oriented electrical steel products is systematically studied by optical and electric microscope. Results show that 0.008%-0.020% rare elements in steel

it is available to effectively control the harmful effect of fine inclusions in steel

promote increasing of grain size of annealed products

to intensify favorable texture ingredient and obviously improve magnetic performance of cold rolled non-oriented electrical steel products.

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