Effects of exposing duration on corrosion performance in weld joint of Ni-Mo-Cr alloy in FLiNaK molten salt
Hou, J; Yu, GJ; Zeng, CL; Ai, H; Xie, RB; Chen, YJ; Zhou, XT; Xie, LD; Wang, JQ; Yu, GJ (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, 2019 Jialuo Rd, Shanghai 201800, Peoples R China.
2016
发表期刊JOURNAL OF FLUORINE CHEMISTRY
ISSN0022-1139
卷号191页码:110-119
文章类型期刊论文
摘要Effects of exposure duration on corrosion performance of Ni-Mo-Cr weld joint was investigated in present work. Two batches of FLiNaK molten salt was used for the corrosion test. The corrosion process was mainly controlled by selective dissolution of Cr. The corrosion rate was increased rapidly at short-term duration up to 400 h and then slowed down to a plateau for long-term duration up to 3000 h. The corrosion performance was exactly the same between the base zone and weld zone of the weld joint after long-term exposure. The corrosion rate was mostly promoted by impurities at early stage and essentially controlled by Cr diffusion from matrix to surface. Impurities of metal ions in salt substituted Cr and deposited on surface of weld joints. The corrosion was significantly mitigated in well purified FLiNaK salt. (C) 2016 Published by Elsevier B.V.
关键词Ni-base Alloy Molten Salt Epma De-alloying Weld Joint High Temperature Corrosion
DOI10.1016/j.jfluchem.2016.07.007
收录类别SCI
语种英语
WOS记录号WOS:000388058300015
引用统计
被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/26491
专题中科院上海应用物理研究所2011-2018年
通讯作者Yu, GJ (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, 2019 Jialuo Rd, Shanghai 201800, Peoples R China.
推荐引用方式
GB/T 7714
Hou, J,Yu, GJ,Zeng, CL,et al. Effects of exposing duration on corrosion performance in weld joint of Ni-Mo-Cr alloy in FLiNaK molten salt[J]. JOURNAL OF FLUORINE CHEMISTRY,2016,191:110-119.
APA Hou, J.,Yu, GJ.,Zeng, CL.,Ai, H.,Xie, RB.,...&Yu, GJ .(2016).Effects of exposing duration on corrosion performance in weld joint of Ni-Mo-Cr alloy in FLiNaK molten salt.JOURNAL OF FLUORINE CHEMISTRY,191,110-119.
MLA Hou, J,et al."Effects of exposing duration on corrosion performance in weld joint of Ni-Mo-Cr alloy in FLiNaK molten salt".JOURNAL OF FLUORINE CHEMISTRY 191(2016):110-119.
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