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High temperature in-situ synchrotron-based XRD study on the crystal structure evolution of C/C composite impregnated by FLiNaK molten salt
Feng, SL; Yang, YG; Li, L; Zhang, DS; Yang, XM; Xia, HH; Yan, L; Tsang, DKL; Huai, P; Zhou, XT
2017
Source PublicationSCIENTIFIC REPORTS
ISSN2045-2322
Volume7Issue:-Pages:-
Subtype期刊论文
AbstractAn in-situ real-time synchrotron-based grazing incidence X-ray diffraction was systematically used to investigate the crystal structural evolution of carbon fiber reinforced carbon matrix (C/C) composite impregnated with FLiNaK molten salt during the heat-treatment process. It was found that the crystallographic thermal expansion and contraction rate of interlayer spacing d(002) in C/C composite with FLiNaK salt impregnation is smaller than that in the virgin sample, indicating the suppression on interlayer spacing from FLiNaK salt impregnated. Meanwhile the crystallite size L-C002 of C/C composite with FLiNaK salt impregnation is larger than the virgin one after whole heat treatment process, indicating that FLiNaK salt impregnation could facilitate the crystallization of C/C composite after heat treatment process. This improved crystallization in C/C composite with FLiNaK salt impregnation suggests the synthetic action of the salt squeeze effect on crooked carbon layer and the release of internal residual stress after heating-cooling process. Thus, the present study not only contribute to reveal the interaction mechanism between C/C composite and FLiNaK salt in high temperature environment, but also promote the design of safer and more reliable C/C composite materials for the next generation molten salt reactor.
KeywordPerovskite Solar-cells Mechanical-properties Nuclear Graphite Pyrolytic Carbon Residual-stress Crystallization Reactor Ion Infiltration Architecture
DOI10.1038/s41598-017-11033-2
WOS KeywordPEROVSKITE SOLAR-CELLS ; MECHANICAL-PROPERTIES ; NUCLEAR GRAPHITE ; PYROLYTIC CARBON ; RESIDUAL-STRESS ; CRYSTALLIZATION ; REACTOR ; ION ; INFILTRATION ; ARCHITECTURE
Indexed BySCI
Language英语
WOS IDWOS:000409439900091
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Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/28678
Collection中科院上海应用物理研究所2011-2018年
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GB/T 7714
Feng, SL,Yang, YG,Li, L,et al. High temperature in-situ synchrotron-based XRD study on the crystal structure evolution of C/C composite impregnated by FLiNaK molten salt[J]. SCIENTIFIC REPORTS,2017,7(-):-.
APA Feng, SL.,Yang, YG.,Li, L.,Zhang, DS.,Yang, XM.,...&Zhou, XT.(2017).High temperature in-situ synchrotron-based XRD study on the crystal structure evolution of C/C composite impregnated by FLiNaK molten salt.SCIENTIFIC REPORTS,7(-),-.
MLA Feng, SL,et al."High temperature in-situ synchrotron-based XRD study on the crystal structure evolution of C/C composite impregnated by FLiNaK molten salt".SCIENTIFIC REPORTS 7.-(2017):-.
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