CCT-DIAGRAM OF Si-Mn-Mo ALLOY SYSTEM BAINITIC STEELS

Acta Metall Sin

1993, Vol. 29

Issue (3): 1-5 DOI:

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CCT-DIAGRAM OF Si-Mn-Mo ALLOY SYSTEM BAINITIC STEELS

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

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LIU Xiao;ZHANG Mingxing;CHEN Daming;ZHOU Lubin;KANG Mokuang Northwestern Polytechnical University; Xi'an Faculty No.401; Northwestern Polytechnical University; Xi'an 710072. CCT-DIAGRAM OF Si-Mn-Mo ALLOY SYSTEM BAINITIC STEELS. Acta Metall Sin, 1993, 29(3): 1-5.

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Abstract CCT-diagrams of Si-Mn-Mo system bainitic steel have been determined.With Mo 0.25%, the high-temperature transformation of the steel shifts large to the right,and the bainitic transformation becomes a "flat topped C-curve" at cooling rate in widerange. Si in the steel may cause a shift of the bainitic transformation region towards the right,and of the pro-eutectoid ferritic transformation region towards the left. Mn may delay thehigh temperature transformation more violently than the bainitic transformation.

Key words: meta-bainite bainitic steel CCT-curve

Received: 18 March 1993

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https://www.ams.org.cn/EN/ OR https://www.ams.org.cn/EN/Y1993/V29/I3/1

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