Reflood oxidation performances of Cr-coated Zr-Sn-Nb alloy cladding tubes at 1000 °C∼1200 °C

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成果类型：

期刊论文

作者：

Xiao, Weiwei;Liu, Shihong;Huang, Jinghao;Zou, Shuliang

通讯作者：

Huang, JH

作者机构：

[Liu, Shihong; Huang, Jinghao; Xiao, Weiwei; Zou, Shuliang] Univ South China, Sch Mech Engn, Hengyang 421001, Hunan, Peoples R China.

[Liu, Shihong; Huang, Jinghao; Xiao, Weiwei; Zou, Shuliang] Univ South China, Hunan Prov Key Lab Emergency Safety Technol & Equi, Hengyang 421001, Hunan, Peoples R China.

通讯机构：

[Huang, JH ] U

Univ South China, Sch Mech Engn, Hengyang 421001, Hunan, Peoples R China.

语种：

英文

关键词：

Cladding (coating);Coatings;Morphology;Niobium alloys;Oxidation;Rate constants;Redox reactions;Ternary alloys;Tin alloys;Zircaloy;Accident tolerant fuels;Cladding tubes;Cr coatings;Cr-coated zr-sn-nb alloy cladding;Highest temperature;Oxidation kinetics;Performance;Reflood oxidation;Steam oxidation;Water quenching;Microstructural evolution

期刊：

Journal of Nuclear Materials

ISSN：

0022-3115

年：

2024

卷：

597

页码：

155155

DOI：

10.1016/j.jnucmat.2024.155155

基金类别：

This work was supported by National Natural Science Foundation of China ( 12375168 ), Science and Technology on Reactor System Design Technology Laboratory ( KFKT-05-FW-HT-20220005 ), Natural Science Foundation of Hunan Province of China ( 2022JJ40348 ), and Hengyang Science and Technology Plan Project ( 202150063435 ). The authors are grateful to other participants of the project for their cooperation.

机构署名：

本校为第一且通讯机构

院系归属：

机械工程学院

摘要：

Reflood plays an important role in preventing the serious accident process. In this paper, the reflood oxidation performances of Cr-coated Zr-Sn-Nb alloy cladding tubes at 1000 °C, 1100 °C and 1200 °C were studied by high-temperature steam oxidation followed by in-situ water quenching. The oxidation kinetics, macroscopic morphology, phase transformation and microstructural evolution were investigated. Cr coating can provide excellent anti-reflood oxidation protection for Zr-Sn-Nb alloy, resulting in an oxidation rate constant of only 1/4–1/...

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Reflood oxidation performances of Cr-coated Zr-Sn-Nb alloy cladding tubes at 1000 °C∼1200 °C

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