Mechanical Properties and Tensile Fracture Mechanisms of Fe-Mn-(Al, Si) TRIP/TWIP Steels with Different Ferrite Volume Fractions

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	Mechanical Properties and Tensile Fracture Mechanisms of Fe-Mn-(Al, Si) TRIP/TWIP Steels with Different Ferrite Volume Fractions
	Dong, Fu Yuan; Pang, Jian Chao; Zhang, Peng; Duan, Qi Qiang; Zhang, Zhe Feng; zhfzhang@imr.ac.cn
	2015
发表期刊	ADVANCED ENGINEERING MATERIALS
ISSN	1438-1656
卷号	17 期号:11 页码:1675-1682
摘要	The mechanical properties, damage, and fracture behaviors of Fe-Mn-(Al, Si) steels containing different Mn content and volume fraction of ferrite have been investigated through tensile testing. It is found that the volume fraction of ferrite has significant influences on the mechanical properties and damage accumulation. With increasing the Mn content, both the yield strength and ultimate tensile strength are decreased, while the uniform elongation is continuously increased, showing a typical trade-off relation between strength and elongation. The difference in the work-hardening behavior can be attributed to the increase in the stacking fault energy (SFE) caused by the addition of Mn. The failure mechanisms of the steels are found to be mainly influenced by deformation localization due to microstructural inhomogeneity. On the one hand, the Fe-Mn-(Al, Si) steel with a much more uniform distribution of austenite shows a slower rate of damage growth and a continuous void nucleation during the deformation process, resulting in a higher void density prior to the final fracture. On the other hand, the Fe-Mn-(Al, Si) steel with more ferrite exhibits accelerated void growth and catastrophic coalescence.
部门归属	[dong, fu yuan ; pang, jian chao ; zhang, peng ; duan, qi qiang ; zhang, zhe feng] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china
资助者	National Natural Science Foundation of China (NSFC) [51301179, 51331107]
收录类别	sci
语种	英语
WOS记录号	WOS:000367538600021
引用统计	被引频次：8[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/74960
专题	中国科学院金属研究所
通讯作者	zhfzhang@imr.ac.cn
推荐引用方式 GB/T 7714	Dong, Fu Yuan,Pang, Jian Chao,Zhang, Peng,et al. Mechanical Properties and Tensile Fracture Mechanisms of Fe-Mn-(Al, Si) TRIP/TWIP Steels with Different Ferrite Volume Fractions[J]. ADVANCED ENGINEERING MATERIALS,2015,17(11):1675-1682.
APA	Dong, Fu Yuan,Pang, Jian Chao,Zhang, Peng,Duan, Qi Qiang,Zhang, Zhe Feng,&zhfzhang@imr.ac.cn.(2015).Mechanical Properties and Tensile Fracture Mechanisms of Fe-Mn-(Al, Si) TRIP/TWIP Steels with Different Ferrite Volume Fractions.ADVANCED ENGINEERING MATERIALS,17(11),1675-1682.
MLA	Dong, Fu Yuan,et al."Mechanical Properties and Tensile Fracture Mechanisms of Fe-Mn-(Al, Si) TRIP/TWIP Steels with Different Ferrite Volume Fractions".ADVANCED ENGINEERING MATERIALS 17.11(2015):1675-1682.