Suppression of dislocations at high strain rate deformation in a twinning-induced plasticity steel
Suppression of dislocations at high strain rate deformation in a twinning-induced plasticity steel
复制标题
孪生塑性钢高应变率变形时位错的抑制
DOI:
10.1016/j.msea.2015.01.047
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发表时间:
2015-03
期刊:
影响因子:
6.4
通讯作者:
Huang M. X.
中科院分区:
文献类型:
--
作者:
Liang Z. Y.;Huang W.;Huang M. X.
The increase of strain rate generally enhances dislocation evolution in face-centred cubic (FCC) metals. However, by synchrotron X-ray diffraction experiments, the present work demonstrates for the first time that a higher strain rate leads to a lower dislocation density in a twinning-induced plasticity steel with an FCC structure. This unexpected suppression of dislocation evolution has been attributed to the temperature increase due to dissipative heating at high strain rate deformation.
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