粒状贝氏体组织对低碳钢力学性能的影响

钢铁, 2008, 43(7): 68-71.

1.徐州工程学院机电学院,江苏,徐州,221008

2.安阳钢铁集团公司技术中心,河南,安阳,455004

3.徐州工程学院机电学院,江苏,徐州,221008

4.安阳钢铁集团公司技术中心,河南,安阳,455004

5.安阳钢铁集团公司技术中心,河南,安阳,455004

Effect of Granular Bainite on Mechanical Properties of Low-Carbon Steel

在化学成分相同的条件下,分别研究了粒状贝氏体、铁素体-珠光体对低碳合金钢强度、塑性、冲击韧性的影响.结果表明:低碳粒状贝氏体钢比铁素体-珠光体钢具有更高的强度和冲击韧性,而且粒状贝氏体组织对钢的强化方式不仅仅足细品强化和位错强化,弥散强化也是强化方式之一.

[1]	LIU D S;LIU X H;WANG G D et al.Mechanical Stabiliza-tion of Deformed Austenite During Continuous Cooling Trans-formation in a C-Mn-Cr-Ni-Mo Plastic Dies Steel[J].Acta Metallurgica Sinica,1998,11(02):94.
[2]	SHANG C J;WANG X M;YANG S W .Refinement of Pack-et Size in Low Carbon Bainitic Steel by Special Thermomeehan-ical Control Process[J].Materials Science and Engineering,2004,11(03):221.
[3]	D.Liu .Effect of Cooling Rates and Compressive Deformation of Austenite on Bainitic Transformation and Microstructure for Plastic Die AISI P20 Steel[J].ISIJ International,1998(5):482-488.

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