CCT-DIAGRAMS OF Si-Mn-Mo BAINITIC STEELS

Acta Metallurgica Sinica (English Letters) ›› 1993, Vol. 6 ›› Issue (5): 273-277.

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CCT-DIAGRAMS OF Si-Mn-Mo BAINITIC STEELS

LIU Xiao ZHANG Mingxing CHEN Daming ZHOU Lubin KANG Mokuang Northwestern Polytechnical University,Xi'an,China LIU Xiao Faculty No.401,Northwestern Polytechnical University,Xi'an 710072,China

Received:1993-10-25 Revised:1993-10-25 Online:1993-10-25 Published:2009-10-10

Abstract

Abstract: CCT-diagrams of Si-Mn-Mo bainitic steels have been determined.With Mo 0.25%,the high-temperature transformation of the steel shifts large to the right,and the bainitic trans- formation region becomes a“flat topped C-curve”at cooling rate in wide range.Si in the steel may cause shift of the bainitic transformation region towards the right,and of the pro-eutectoid ferritic transformation region towards the left.Mn may delay the high temper- ature transformation more violently than the bainitic transformation.

Key words: meta-bainite, bainitic steel, CCT-curve

LIU Xiao ZHANG Mingxing CHEN Daming ZHOU Lubin KANG Mokuang Northwestern Polytechnical University,Xi'an,China LIU Xiao Faculty No.401,Northwestern Polytechnical University,Xi'an 710072,China. CCT-DIAGRAMS OF Si-Mn-Mo BAINITIC STEELS[J]. Acta Metallurgica Sinica (English Letters), 1993, 6(5): 273-277.

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CCT-DIAGRAMS OF Si-Mn-Mo BAINITIC STEELS

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