Neutron irradiation hardening and microstructure changes in Fe-Mn binary alloys |
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| Authors: | Kiyohiro Yabuuchi Masashi Saito Akihiko Kimura |
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| Affiliation: | a Graduate School of Energy Science, Kyoto University, Uji, Kyoto, Japan
b Institute of Advanced Energy, Kyoto University, Uji, Kyoto, Japan |
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| Abstract: | Irradiation hardening and microstructure changes in Fe-Mn binary alloys were investigated after neutron irradiation at 290 °C and up to 0.13 dpa. Significant irradiation hardening comparable to that of Fe-1 at.%Cu alloy was observed in Fe-1 at.%Mn alloy. Manganese increases the number density of dislocation loops, which contributed to the observed irradiation hardening. Manganese serves as a nucleus of the loop by trapping interstitial atoms and clusters, preventing 1D motion of the loops. |
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