THE INFLUENCE OF SUB-TEMPERATURE QUENCHING TEMPERATURE ON THE MICROSTRUCTURE AND PROPERTIES OF 60Si2Mn STEEL

被引：0
|
作者：
Li, A. M. [1 ]
Hu, M. J. [1 ]
机构：
[1] Henan Polytechn Univ, Sch Mat Sci & Engn, Jiaozuo 454000, Peoples R China
来源：
ENGINEERING REVIEW | 2012年 / 32卷 / 03期
关键词：
60Si2Mn steel; Sub-temperature quenching; Tensile strength; Hardness; Microstructure;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The influence of sub-temperature quenching temperature on the tensile strength, hardness and toughness of 60Si2Mn steel has been studied, and the ferrite content, austenite grain size and martensite morphology of the microstructure of this steel after sub-temperature quenching analyzed. The results show that duplex microstructure of martensite and ferrite has been obtained by sub-temperature quenching of 60Si2Mn steel. The ferrite content decreases when the quenching temperature increases. The strength and hardness of 60Si2Mn steel increase, however, its toughness decreases within the range of 770 similar to 800 degrees C. The maximum strength and hardness can be obtained by quenching at 800 degrees C, but the strength and hardness decrease above 800 degrees C. The small amount of strip ferrite is distributed among martensite lamellar to improve steel toughness. The entire martensite structure can be obtained by quenching at 810 degrees C.
引用
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页码：181 / 185
页数：5
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