Effects of SO42- ions on the corrosion of GH3535 weld joint in FLiNaK molten salt
Zhu, YS; Qiu, J; Hou, J; Liu, WG; Chen, HC; Ai, H; Yu, GJ; Wang, JQ; Zhou, XT
2017
发表期刊JOURNAL OF NUCLEAR MATERIALS
ISSN0022-3115
卷号492期号:-页码:122-127
文章类型期刊论文
摘要The present work studied the impact of SO42- ions on the corrosion behaviors of GH3535 weld joint in FLiNaK molten salt. The concentration of SO42- ions in the FLiNaK molten salt was controlled by adjusting the quantity of Na2SO4 added into the salt. Results indicate that the SO42- ions in the FLiNaK salt speed up the corrosion rate remarkably by promoting the dissolution of Cr from the alloy matrix into the salt. With the concentration of SO42- ions in the FLiNaK salt increases from 100 ppm to 1000 ppm, the weight losses and the Cr depletion layer depths of the corroded specimens increase linearly. Even in the case of the heavy corrosion attack caused by the SO42- ions, the corrosion performance is similar between the base zone and fusion zone in the GH3535 weld joint. It is demonstrated that the structural diversity caused by the welding process has little impact on the corrosion performances of GH3535 alloy in FLiNaK molten salt. (C) 2017 Elsevier B.V. All rights reserved.
关键词Mo-cr Alloy Hot Corrosion Environments Temperature Performance Initiation Moisture Steel
DOI10.1016/j.jnucmat.2017.05.020
关键词[WOS]MO-CR ALLOY ; HOT CORROSION ; ENVIRONMENTS ; TEMPERATURE ; PERFORMANCE ; INITIATION ; MOISTURE ; STEEL
收录类别SCI
语种英语
WOS记录号WOS:000404701300016
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/28636
专题中科院上海应用物理研究所2011-2018年
推荐引用方式
GB/T 7714
Zhu, YS,Qiu, J,Hou, J,et al. Effects of SO42- ions on the corrosion of GH3535 weld joint in FLiNaK molten salt[J]. JOURNAL OF NUCLEAR MATERIALS,2017,492(-):122-127.
APA Zhu, YS.,Qiu, J.,Hou, J.,Liu, WG.,Chen, HC.,...&Zhou, XT.(2017).Effects of SO42- ions on the corrosion of GH3535 weld joint in FLiNaK molten salt.JOURNAL OF NUCLEAR MATERIALS,492(-),122-127.
MLA Zhu, YS,et al."Effects of SO42- ions on the corrosion of GH3535 weld joint in FLiNaK molten salt".JOURNAL OF NUCLEAR MATERIALS 492.-(2017):122-127.
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