Comparison of dynamic mechanical properties between pure iron (BCC) and Fe-30Mn-3Si-4Al TWIP steel (FCC)

被引：0

作者：

Bao, Wei-Ping ^{[1
,4
]}

Xiong, Zhi-Ping ^{[2
,3
]}

Wang, Fu-Ming ^{[1
]}

Shu, Jian ^{[3
]}

Ren, Xue-Ping ^{[3
]}

机构：

[1] School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing, China

[2] School of Mechanical, Materials and Mechatronic Engineering, University of Wollongong, NW, Australia

[3] School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing, China

[4] ASSAB Tooling (Beijing) Co. Ltd, Beijing, China

来源：

Applied Mechanics and Materials | 2014年 / 692卷

关键词：

Crystal structure - Transmission electron microscopy - Deformation - Dynamics - Plasticity - Steel;

D O I：

10.4028/www.scientific.net/AMM.692.179

中图分类号：

学科分类号：

摘要：

Dynamic mechanical properties and microstructures of pure iron and Fe-30Mn-3Si-4Al TWIP (TWinning Induced Plasticity) steel were conducted by SHPB (Split-Hopkinson Pressure Bar), OM (Optical Microscopy) and TEM (Transmission Electron Microscope), at the strain rate ranging from 102 to 105 s-1and at room temperature. The effect of high strain rate on the mechanical responses of pure iron and Fe-30Mn-3Si-4Al TWIP steel belonging to BCC (Body Centered Cubic) and FCC (Face Centered Cubic) structures respectively was evaluated. The comparison of deformation mechanism was analyzed between them and it concluded that dislocation gliding is a major deformation mechanism in pure iron with BCC structure and deformation twinning plays a significant role in Fe-30Mn-3Si-4Al TWIP steel with FCC structure.

引用

页码：179 / 186

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