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Dr. Mahmoud Abdelrahman Khedr :: Publications: |
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| Title: | Improving hydrogen embrittlement resistance of Hadfield steel by thermo-mechanical flash-treatment |
| Authors: | M. Khedr; W. Li; X. Zhu; P. Zhou; S. Gao; X. Jin |
| Year: | 2018 |
| Keywords: | Twins; Hydrogen embrittlement; dislocation. |
| Journal: | Materials science and engineering A |
| Volume: | 712 |
| Issue: | Not Available |
| Pages: | 133-138 |
| Publisher: | Elsevier |
| Local/International: | International |
| Paper Link: | |
| Full paper | Mahmoud Abdelrahman Abdellateef Hassan Khedr_1-1.pdf |
| Supplementary materials | Not Available |
| Abstract: |
Nano-twins microstructures were introduced in a high carbon manganese steel by a novel flash thermo-mechanical treatment in order to achieve high resistance to hydrogen embrittlement. Nano-twinned grains decreased hydrogen diffusivity through the bulk material, although it absorbed more hydrogen than the twins-free specimens. Moreover, it was shown that after electrochemical hydrogen charging, the nano-twins microstructures can reduce dislocations glide during plastic deformation, resulting in forming of fine twin plates. |
