CAS OpenIR  > 中科院上海应用物理研究所2011-2019年
TEM Investigation on the Microstructural Evolution of Hastelloy N Induced by Ar+ Ion Irradiation
Liu, M; Lu, YL; Liu, RD; Zhou, XT; liumin@sinap.ac.cn; zhouxingtai@sinap.ac.cn
2014
Source PublicationMICROSCOPY RESEARCH AND TECHNIQUE
ISSN1059-910X
Volume77Issue:2Pages:161—169
AbstractHastelloy N alloy has been selected as the primary structure material for molten salt reactor. In this article, Hastelloy N alloy samples were irradiated to different doses at room temperature using 300 keV Ar+ ions. The microstructural evolution was investigated by transmission electron microscopy (TEM) and energy-dispersive spectroscopy (EDS). Black dot defects emerged in sample irradiated at low dose (0.4 displacement per atom (dpa)), and they grew up with irradiation doses (0.4-2 dpa). A high density of small dislocation loops (nano meters in size) were observed in the sample irradiated to 4 dpa. When the ion dose increased to 12 dpa, complicated structures with defects (including dislocation lines, larger loops and smaller black dots) were observed. Dislocation networks were detected from high-angle annular dark field (HAADF) images. Larger dislocation loops (size: 30-80 nm) were visible in the sample irradiated to 40 dpa. Irradiation with dose of 120 dpa led to the formation of face-centered cubic nanocrystallites with preferred orientations. Microsc. Res. Tech. 77:161-169, 2014. (c) 2013 Wiley Periodicals, Inc.
KeywordBase Alloys Cu Alloys Temperature Corrosion Copper Damage Steel
Indexed BySCI
Language英语
WOS IDWOS:000329879400008
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/14465
Collection中科院上海应用物理研究所2011-2019年
Corresponding Authorliumin@sinap.ac.cn; zhouxingtai@sinap.ac.cn
Recommended Citation
GB/T 7714
Liu, M,Lu, YL,Liu, RD,et al. TEM Investigation on the Microstructural Evolution of Hastelloy N Induced by Ar+ Ion Irradiation[J]. MICROSCOPY RESEARCH AND TECHNIQUE,2014,77(2):161—169.
APA Liu, M,Lu, YL,Liu, RD,Zhou, XT,liumin@sinap.ac.cn,&zhouxingtai@sinap.ac.cn.(2014).TEM Investigation on the Microstructural Evolution of Hastelloy N Induced by Ar+ Ion Irradiation.MICROSCOPY RESEARCH AND TECHNIQUE,77(2),161—169.
MLA Liu, M,et al."TEM Investigation on the Microstructural Evolution of Hastelloy N Induced by Ar+ Ion Irradiation".MICROSCOPY RESEARCH AND TECHNIQUE 77.2(2014):161—169.
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