The role of carbon in copper precipitation process in neutron irradiated Fe–Cu binary alloys

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In spite of general understanding of the copper precipitation in neutron irradiated Cu-rich alloys, the role of carbon in the precipitation process as well as in the formation of other defects under neutron irradiation, and their overall effect to the dislocation dynamics, are not yet fully elucidated. The mechanical tests are performed in neutron irradiated Fe, Fe–0.1%Cu and Fe–0.3%Cu alloys at three different temperatures, and the results of the yield stress are compared with the internal friction measurements. It is found that the copper precipitation, governed by the neutron irradiation, causes the appearance of carbon redistribution. From the comparison of the yield stress changes at different temperatures and dose, the carbon contribution to the hardening is estimated.


Original languageEnglish
Pages (from-to)112-116
Number of pages5
JournalJournal of Nuclear Materials
Issue number1-3
Publication statusPublished - 3 Nov 2011
EventThe Minerals, Metals & Materials Society, 2011 - San Diego, United States
Duration: 27 Feb 20113 Mar 2011


  • Cu-precipitation, carbon, neutron irradiation, yield stress

ID: 5494785