高温退火时间对含铌低温取向电工钢二次再结晶行为的影响

doi:10.11896/cldb.20040050

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Abstract OM, SE, EDS, EBSD and other techniques were used to observe and analyze the structure and orientation of the secondary recrystallization interrupted extraction samples. The results show that when the holding time of high temperature annealing reached 5h, some grains had secondary recrystallization. With the extension of thetime of secondary recrystallization, the number of secondary recrystallization grains significantly increased. Goss texture increased with the extended of holding time, while the texture contents of {111}〈112〉 and {411}〈148〉 significantly decreased. The Goss texture content reached 91.1% and its strength reached 284.771 at the time of annealing for 25 h. The inhibitor gradually coarsens with the extension of the high-temperature annealing time, and its pinning of the grain boundary gradually weakens until the inhibitory effect is completely lost.

Key words： Nb-containing low temperature grain-oriented electrical steel high temperature annealing secondary recrystallization texture

Published: 01 July 2021

CLC number:

TG142.1

Fund:National Natural Science Foundation of China (51674123), Key Projects of Natural Science Foundation of Hebei Province(E2017209237).

About author:: Jinyu Liang, a postgraduate student of North China University of Science and Technology. From September 2014 to June 2018, she obtained her bachelor's degree in metal materials engineering from North China University of Science and Technology, and her main research direction is new metal materials.
Yunli Feng, is currently a professor and doctoral supervisor of North China University of Science and Techno-logy. She is mainly engaged in the research of new metal materials, new material processing technology and microstructure control, metal matrix composite and surface treatment of materials.

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	LIANG Jinyu
	FENG Yunli
	DUAN Yanghui
	LI Jie

Cite this article:

LIANG Jinyu,FENG Yunli,DUAN Yanghui, et al. Effect of High Temperature Annealing Time on Secondary Recrystallization Behavior of Nb-containing Low Temperature Grain-oriented Electrical Steel[J]. Materials Reports, 2021, 35(12): 12141-12146.

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http://www.mater-rep.com/EN/10.11896/cldb.20040050 OR http://www.mater-rep.com/EN/Y2021/V35/I12/12141

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