Effect of Corrosion Behavior on Mechanical Properties of Alloy in Supercritical CO2 Environment

被引：0
|
作者：
Wang M. [1 ]
Liang Z. [1 ]
Gui Y. [1 ]
Guo T. [1 ]
Shao H. [1 ]
Zhao Q. [1 ]
机构：
[1] Key Laboratory of Thermo-Fluid Science and Engineering of MOE, School of Energy and Power Engineering, Xi’an Jiaotong University, Shaanxi Province, Xi’an
来源：
Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering | 2023年 / 43卷 / 17期
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
corrosion; corrosion of supercritical CO[!sub]2[!/sub] power systems; creep; heat resistant steel; mechanical properties;
D O I：
10.13334/j.0258-8013.pcsee.220924
中图分类号：
学科分类号：
摘要：
The supercritical carbon dioxide cycle system provides a new way for the development of clean energy. But high temperature poses challenges to the oxidation resistance and strength of materials, including the ability to resist creep deformation and maintain mechanical strength. When the temperature is too high, the structural material must behave better in terms of oxidation resistance and structural integrity. The combined action of corrosion and carburizing in supercritical CO2 environment can form carbides in heat-resistant steel. Therefore, it is very important to determine the maximum long-term service temperature of materials in supercritical CO2 environment, as well as the combined effects of corrosion and carburizing on the mechanical properties of candidate materials. This paper summarizes the research status of the influence of supercritical carbon dioxide corrosion on the mechanical properties of heat resistant steel and nickel-base alloy. The influence mechanism of carburizing on crack growth and crack propagation is analyzed, and the shortcomings of current experiment and analysis are pointed out. © 2023 Chinese Society for Electrical Engineering. All rights reserved.
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页码：6709 / 6717
页数：8
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