Inhibitor induced secondary recrystallization in thin-gauge grain oriented silicon steel with high permeability

被引：33

作者：

Fang, Feng ^{[1
]}

Zhang, Yuanxiang ^{[1
]}

Lu, Xiang ^{[1
]}

Wang, Yang ^{[1
]}

Cao, Guangming ^{[1
]}

Yuan, Guo ^{[1
]}

Xu, Yunbo ^{[1
]}

Wang, Guodong ^{[1
]}

Misra, R. D. K. ^{[2
]}

机构：

[1] Northeastern Univ, State Key Lab Rolling Technol & Automat, Shenyang 110819, Peoples R China

[2] Univ Texas El Paso, Dept Met Mat & Biomed Engn, El Paso, TX 79968 USA

来源：

MATERIALS & DESIGN | 2016年 / 105卷

基金：

中国国家自然科学基金;

关键词：

Thin gauge grain oriented silicon steel; Strip casting; Magnetic properties; Microstructure; Precipitation; Secondary recrystallization; STRIP-CAST; TEXTURE DEVELOPMENT; MAGNETIC-PROPERTIES; ELECTRICAL STEELS; GOSS ORIENTATION; STAINLESS-STEEL; MICROSTRUCTURE; SHEETS; EVOLUTION; GROWTH;

D O I：

10.1016/j.matdes.2016.05.091

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Thin gauge grain-oriented (GO) silicon steel with high permeability was successfully processed by a simple way based on strip casting process, without hot rolling and decarburization annealing. The primary annealed sheet exhibited unique characteristics of homogeneous precipitation because of near-rapid solidification, and fine-grained recrystallized microstructure with relatively strong Goss texture and pronounced {111} < 112 > texture, which was responsible for the subsequent Goss abnormal growth. MnS, (Nb, V)N and AlN precipitates provided strong pinning effect on grain boundaries at different stages during the final annealing process, which is referred as "sequential inhibition behavior". The thin gauge GO silicon steel experienced complete secondary recrystallization induced by inhibitor, and exhibited sharp Goss texture together with significantly superior magnetic properties (magnetic induction B-8 - 1.98 T; iron loss P-1.7/50 - 0.7 W/kg). (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：398 / 403

页数：6

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