典型文献
Positive Strain Rate Sensitivity and Deformation Behavior of a Fe-29Mn-3Al-3SiTWIP Steel
文献摘要：
The Fe-29Mn-3Al-3Si twin-induced plasticity(TWIP)steel is used to conduct quasi-static compression and dynamic impact deformation with strain rates ranging from 8.3×10-4 to 3800 s-1.The microstructures and properties of deformed samples under different strain rates were investigated comparatively.These results show that positive strain rate sensitivity was observed with the increase in strain rates and that there was a significant difference in strain rate sensitivity factor(m)between quasi-static compression(m=0.029)and dynamic impact deformation(m=0.190).Compared to the quasi-static compression,the dynamic impact deformation exhibited higher yield strength.Microstructural examination reveals that the primary twins were frequently found during the quasi-static compression process,and the secondary twins were rarely observed.However,the secondary and multi-fold deformation twins were florescent in the dynamic impact samples.At the initial stage of dynamic impact deformation,partial dislocations and staking faults on multiple conjugate{111}planes were simultaneously activated and produced a large number of Lomer-Cottrell dislocations,resulting in a large increase in yield strength during dynamic impact.
文献关键词：
中图分类号：
作者姓名：
Shucheng Shen;Cuilan Wu;Pan Xie;Yuanrui Liu
作者机构：
Center of High Resolution Electron Microscopy,College of Materials Science and Engineering,Hunan University,Changsha 410082,China
文献出处：
引用格式：
[1]Shucheng Shen;Cuilan Wu;Pan Xie;Yuanrui Liu-.Positive Strain Rate Sensitivity and Deformation Behavior of a Fe-29Mn-3Al-3SiTWIP Steel)[J].金属学报（英文版）,2022(11):1825-1836
A类：
29Mn,3SiTWIP,florescent,staking
B类：
Positive,Strain,Rate,Sensitivity,Deformation,Behavior,3Al,Steel,induced,plasticity,steel,used,conduct,quasi,static,compression,dynamic,impact,deformation,strain,rates,ranging,from,microstructures,properties,deformed,samples,under,different,were,investigated,comparatively,These,results,show,that,positive,sensitivity,was,observed,increase,there,significant,difference,between,Compared,exhibited,higher,yield,strength,Microstructural,examination,reveals,primary,twins,frequently,found,during,process,secondary,rarely,However,fold,At,initial,stage,partial,dislocations,faults,multiple,conjugate,planes,simultaneously,activated,produced,large,number,Lomer,Cottrell,resulting
AB值：
0.495798
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