CAS OpenIR  > 中科院上海应用物理研究所2011-2020年
Dose rate effect on micro-structure and hardness of Hastelloy-N irradiated by Xe ions
Liu, K; Lin, J; Bao, LM; Xu, HX; Xu, L; Liu, Z; Zeng, JR; Long, SL; Cao, LL; Li, JJ; Yan, L; Li, XL; Zhang, GL; Li, Y
2015
Source PublicationJOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY
Volume52Issue:6Pages:829—836
Subtype期刊文献
AbstractHastelloy-N alloys were irradiated by Xe+ with energies of 7 and 2 MeV at room temperature in order to investigate the effects of dose and dose rate on the change of micro-structure and nanohardness. Hardness was measured by nanoindentation, and micro-structure evolution and irradiation defects were identified by transmission electron microscopy (TEM) and positron annihilation coincidence Doppler broadening (CDB), respectively. The nanoindentation results showed that the hardness of alloys increased after irradiation, especially at a lower dose rate. At higher dose rate, TEM results indicated that irradiation defects were observed at first in this experiment, and the size of the defects increased, while their number density decreased as the dose increased. However, for a same total dose, the defects formed at a lower dose rate were larger, and their number density was also higher than that at a higher dose rate. Meanwhile, CDB analysis verified the growth of vacancy-type defects with increasing dose.
KeywordRadiation-induced Segregation Positron-annihilation Spectroscopy Ferritic-martensitic Alloys Fe-cr Alloys Ferritic/martensitic Steels Mechanical-properties Base Alloys Nanoindentation Proton Model
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/24435
Collection中科院上海应用物理研究所2011-2020年
Recommended Citation
GB/T 7714
Liu, K,Lin, J,Bao, LM,et al. Dose rate effect on micro-structure and hardness of Hastelloy-N irradiated by Xe ions[J]. JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY,2015,52(6):829—836.
APA Liu, K.,Lin, J.,Bao, LM.,Xu, HX.,Xu, L.,...&Li, Y.(2015).Dose rate effect on micro-structure and hardness of Hastelloy-N irradiated by Xe ions.JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY,52(6),829—836.
MLA Liu, K,et al."Dose rate effect on micro-structure and hardness of Hastelloy-N irradiated by Xe ions".JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY 52.6(2015):829—836.
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