GRAIN BOUNDARY SEGREGATION OF TRACE Sn IN A HIGH INDUCTION ORIENTED SILICON STEEL

Abstract

Abstract: When Sn segregated at grain boundaries of high induction oriented silicon steel,no remarka- ble interaction between Sn and other elements was observed.At the starting temperature of secondary recrystallization,950℃,a certain Sn still segregates at grain boundaries.Sn seems to act as a supplemental inhibitor through grain boundary segregation.According to theoreti- cal analysis,an addition of Sn may decrease the secondary recrystallization temperature of high induction oriented silicon steel,and it is in agreement with the experimental result.

Key words: silicon steel, Sn, segregation, Auger, secondary recrystallization

ZHAO Yu HE Zhongzhi WENG Yuqing WU Baorong Central Iron and Steel Research Institute,Ministry of Metallurgical Industry,Beijing,China Doctorate Student,Department No.2,Central Iron and Steel Research Institute,Ministry of Metallurgical Industry,Beijing 100081,China. GRAIN BOUNDARY SEGREGATION OF TRACE Sn IN A HIGH INDUCTION ORIENTED SILICON STEEL[J]. Acta Metallurgica Sinica (English Letters), 1993, 6(1): 30-35.

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GRAIN BOUNDARY SEGREGATION OF TRACE Sn IN A HIGH INDUCTION ORIENTED SILICON STEEL

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