期刊
JOURNAL OF NUCLEAR MATERIALS
卷 385, 期 2, 页码 258-261出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jnucmat.2008.12.015
关键词
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Ferritic/Martensitic (FM) steel, F82H, was irradiated up to a displacement dose of 20 dpa (displacement per atom) at temperatures ranging from 510 to 1075 K in the third experiment of the SINQ Target Irradiation Program (STIP-III). Tensile testing was performed at 295 and 723 K. The tensile test results demonstrate that not only the specimen irradiated in the low temperature regime (= 710 K show significant hardening effect. After annealing at 873 K for 2 h the irradiated specimens still persist great hardening, which is usually not observed in FM steels after neutron irradiation at low temperatures and annealing at 873 K. The hardening observed in the specimens is believed to be due to the high-density He-bubbles formed in the specimens. (C) 2008 Elsevier B.V. All rights reserved.
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