INFLUENCE OF ELECTROMAGNETIC STIRRING ON MACRO-SEGREGATION OF GREY CAST IRON

Acta Metall Sin

1992, Vol. 28

Issue (2): 82-85 DOI:

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INFLUENCE OF ELECTROMAGNETIC STIRRING ON MACRO-SEGREGATION OF GREY CAST IRON

CAO Zhiqiang;ZHANG Liping;REN Zhongming;JIN Junze Dalian University of Technology

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CAO Zhiqiang;ZHANG Liping;REN Zhongming;JIN Junze Dalian University of Technology. INFLUENCE OF ELECTROMAGNETIC STIRRING ON MACRO-SEGREGATION OF GREY CAST IRON. Acta Metall Sin, 1992, 28(2): 82-85.

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Abstract Enrichment of massive graphite on lateral surface and evident macro--segrega-tion along both longitudinal and axial directions were found by the influence of intense electromagnetic stirring during unidirectionally solidifying grey cast iron ingot. A secondaryflow within the region near solid--liquid interface seems to be the cause of axial segregation, and the solidification rate may also be influential to the macro--segregation.

Key words: electromagnetic stirring unidirectional solidification Fe-C separated eutectic segregation

Received: 18 February 1992

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https://www.ams.org.cn/EN/ OR https://www.ams.org.cn/EN/Y1992/V28/I2/82

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2 任忠鸣,苏辉,金俊泽.金属学报,1990;26:B 374
3 Wetterfall S-E, Fredriksson H, Hillert M. J Iron Steel Inst, 1972; 210: 323

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