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题名: Microstructure and molten salt impregnation characteristics of a micro-fine grain graphite for use in molten salt reactors
作者: Zhang, WT; Zhang, BL; Song, JL; Qi, W; He, XJ; Liu, ZJ; Lian, PF; He, ZT; Gao, LN; Xia, HH; Liu, XD; Zhou, XT; Sun, LB; Wu, XX
刊名: NEW CARBON MATERIALS
出版日期: 2016
卷号: 31, 期号:6, 页码:585-593
关键词: Molten salt reactor ; Graphite ; Molten salt impregnation ; Microstructure
DOI: 10.1016/S1872-5805(16)60034-3
通讯作者: Zhang, BL ; Song, JL (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Key Lab Nucl Radiat & Nucl Energy Technol, Shanghai 201800, Peoples R China. ; Zhang, BL (reprint author), Shandong Univ, Sch Phys, Jinan 250100, Peoples R China. ; Zhang, BL (reprint author), Shandong Univ, State Key Lab Crystal Mat, Jinan 250100, Peoples R China. ; Zhang, BL (reprint author), Tsinghua Univ, Inst Nucl & New Energy Technol, Collaborat Innovat Ctr Adv Nucl Energy Technol, Key Lab Adv Reactor Engn & Safety,Minist Educ, Beijing 100084, Peoples R China.
文章类型: 期刊论文
英文摘要: The microstructure and molten salt impregnation characteristics of a micro-fine grain isotropic graphite ZXF-5Q from Poco Inc. was investigated. The microstructural characteristics of the pores caused by gas evolution, calcination cracks, Mrozowski cracks, and the crystal structure were characterized by optical microscopy, mercury porosimetry, helium pycnometry, transmission electron microscopy, X-ray diffraction and Raman spectroscopy. Results show that the ZXF-5Q has uniformly-distributed pores caused by gas evolution with very small entrance diameters (similar to 0.4 mu m), and numerous lenticular Mrozowski cracks. Molten salt impregnation with a molten eutectic fluoride salt at 650 degrees C and 1, 3 and 5 atm, indicate that ZXF-5Q could not be infiltrated even at 5 atm due to its very small pore entrance diameter. Some scattered global salt particles found inside the ZXF-5Q are possibly formed by condensation of the fluoride salt steam during cooling.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000391417400004
ISSN号: 1007-8827
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/26575
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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