Effect of exposing duration on the interaction between nickel-based alloy and SiC in molten LiF-NaF-KF salt

被引：7

作者：

Xue, Wandong ^{[1
,2
]}

Yang, Xinmei ^{[1
]}

Li, Zhijun ^{[1
]}

Li, Xiaoke ^{[1
]}

Wang, Jianqiang ^{[1
]}

Ignatiev, Victor ^{[3
]}

Zhou, Xingtai ^{[1
]}

机构：

[1] Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

[3] Kurchatov Inst, Natl Res Ctr, Moscow 123182, Russia

来源：

JOURNAL OF NUCLEAR MATERIALS | 2019年 / 515卷

基金：

上海市自然科学基金; 中国国家自然科学基金;

关键词：

Nickel; Molten salts; Ceramic; High temperature corrosion; HEAT-TRANSFER FLUIDS; MO-CR ALLOY; HASTELLOY-N; CORROSION-RESISTANCE; SILICON-CARBIDE; FLUORIDE; COMPOSITES; REACTOR; PERFORMANCE; BEHAVIOR;

D O I：

10.1016/j.jnucmat.2018.12.035

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Effect of exposing duration on the interaction between nickel-based alloy (GH3535) and SiC in molten LiF-NaF-KF (FLiNaK) salt was investigated. The coexistence of GH3535 alloy and SiC deteriorates their corrosion in molten FLiNaK salt. Ni in alloy continuously diffuses outward and reacts with corrosion products of SiC to form nickel silicides on the surface of alloy. Meanwhile, Cr in alloy continuously diffuses into salt and reacts with SiC to form chromium carbides on the surface of SiC. The thickness of the deposition layer and the corrosion region in alloy are almost linearly increasing with the increase of exposing duration. (C) 2018 Elsevier B.V. All rights reserved.

引用

页码：276 / 283

页数：8

共 33 条

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[5] The inhibition of the interaction between CVD SiC and GH3535 alloy in molten LiF-NaF-KF salt by the Li metal
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[6] Effects of silicon carbide on the corrosion of metallic materials in molten LiF-NaF-KF salt
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[7] Corrosion behavior of pressureless sintered SiC in molten LiF-NaF-KF salt: Role of metallic impurities in the salt
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[8] Role of helium ion irradiation in the corrosion of CVD-SiC in molten LiF-NaF-KF salt
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[9] Effect of concentration of Cr3+ in LiF-NaF-KF salt on the corrosion of SiC
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[10] Effect of graphite particles in molten LiF-NaF-KF eutectic salt on corrosion behaviour of GH3535 alloy
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