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	Mechanical Properties of Steels Treated by Q-P-T Process Incorporating Carbide-free-bainite/martensite Multiphase Microstructure
	Zhun-li TAN ; Kai-kai WANG ; Gu-hui GAO ; Xiao-lu GUI ; Bing-zhe BAI ; Yu-qing WENG ; Zhun-li TAN ; Kai-kai WANG ; Gu-hui GAO ; Xiao-lu GUI ; Bing-zhe BAI ; Yu-qing WENG
	2016-03-30 ; 2016-03-30
关键词	carbide-free bainite multiphase microstructure quenching-partitioning-tempering partitioning time mechanical property TG142.15
其他题名	Mechanical Properties of Steels Treated by Q-P-T Process Incorporating Carbide-free-bainite / martensite Multiphase Microstructure
中文摘要	Quenching-partitioning-tempering(Q-P-T)process were applied to a quenched carbide-free bainite/martensite(CFB/M)multiphase steel 40Mn2Si2Cr and its effect on the mechanical properties was studied.The results showed that the partitioning time of Q-P-T treatment can be increased greatly to 90min or even longer.The tensile strength,elongation and product of strength and elongation(PSE)of the experimental steel can achieve 1 650MPa,about 20%and over 33GPa�,respectively.The significant increase of partitioning time and excellent mechanical properties could be related to the CFB microstructure introduced in the quenching process during the Q-P-T treatment.; Quenching-partitioning-tempering(Q-P-T)process were applied to a quenched carbide-free bainite/martensite(CFB/M)multiphase steel 40Mn2Si2Cr and its effect on the mechanical properties was studied.The results showed that the partitioning time of Q-P-T treatment can be increased greatly to 90min or even longer.The tensile strength,elongation and product of strength and elongation(PSE)of the experimental steel can achieve 1 650MPa,about 20%and over 33GPa�,respectively.The significant increase of partitioning time and excellent mechanical properties could be related to the CFB microstructure introduced in the quenching process during the Q-P-T treatment.
语种	英语 ; 英语
内容类型	期刊论文
源URL	[http://ir.lib.tsinghua.edu.cn/ir/item.do?handle=123456789/141794]
专题	清华大学
推荐引用方式 GB/T 7714	Zhun-li TAN,Kai-kai WANG,Gu-hui GAO,et al. Mechanical Properties of Steels Treated by Q-P-T Process Incorporating Carbide-free-bainite/martensite Multiphase Microstructure[J],2016, 2016.
APA	Zhun-li TAN.,Kai-kai WANG.,Gu-hui GAO.,Xiao-lu GUI.,Bing-zhe BAI.,...&Yu-qing WENG.(2016).Mechanical Properties of Steels Treated by Q-P-T Process Incorporating Carbide-free-bainite/martensite Multiphase Microstructure..
MLA	Zhun-li TAN,et al."Mechanical Properties of Steels Treated by Q-P-T Process Incorporating Carbide-free-bainite/martensite Multiphase Microstructure".(2016).

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