Effect of dissolved hydrogen on the corrosion behavior of chemically vapor deposited SiC in a simulated pressurized water reactor environment

被引：50

作者：

Kim, Daejong ^{[1
]}

Lee, Hyeon-Geun ^{[1
]}

Park, Yeon ^{[1
]}

Park, Jeong-Yong ^{[2
]}

Kim, Weon-Ju ^{[1
]}

机构：

[1] Korea Atom Energy Res Inst, Nucl Mat Dev Div, Taejon 305353, South Korea

[2] Korea Atom Energy Res Inst, LWR Fuel Technol Div, Taejon 305353, South Korea

来源：

CORROSION SCIENCE | 2015年 / 98卷

基金：

新加坡国家研究基金会;

关键词：

Ceramic; Weight loss; Reactor conditions; SILICON-CARBIDE CERAMICS; OXIDATION BEHAVIOR; HIGH-TEMPERATURE; STEAM; AIR;

D O I：

10.1016/j.corsci.2015.05.031

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The corrosion behavior of chemically vapor deposited SiC was investigated in relation to its application as fuel cladding in a pressurized water reactor (PWR). Corrosion tests were conducted in deoxygenated, pressurized water at 360 degrees C with control of dissolved hydrogen. The dissolved hydrogen dramatically reduced the corrosion rate of SiC compared with that in water without the dissolved hydrogen. It was revealed that the dissolution of the surface oxide of SIC primarily contributed to the weight loss at the initial stage of corrosion. Further weight loss was minimal for 210 d because dissolved hydrogen effectively retarded the formation of SiO2. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：304 / 309

页数：6

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