Corrosion behavior of ferritic and ferritic-martensitic steels in supercritical carbon dioxide

Zhu, Zhongliang; Cheng, Yi; Xiao, Bo; Khan, Hasan Izhar; Xu, Hong; Zhang, Naiqiang

doi:10.1016/j.energy.2019.03.146

Cited by 39 publications

(12 citation statements)

References 31 publications

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“…zkoumali oxidační chování a nauhličování 9Cr oceli ve vysokoteplotním CO 2 [12]. Oxidační a karbonizační reakce byly zkoumány ve vysokoteplotním sCO 2 v těchto citacích [13,14,15,16].…”

Section: úVodunclassified

Evaluation of microstructure of the steels after exposure in supercritical CO₂

Rozumová

Melichar

Berka

et al. 2020

Koroze a Ochrana Materialu

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The Brayton cycle with supercritical carbon dioxide is considered as an innovative technology with the potential to replace conventional steam cycles. The optimization of the supercritical CO2 cycle (sCO2) is necessary and important to achieve the required thermal cycle parameters. The above optimization focuses on the setting of the energy cycle as such, the design solution of the individual components and, the last but not least, on the selection of suitable construction materials. Due to the operating conditions, namely temperatures exceeding 550 °C and pressure up to 25 MPa, material research is one of the important areas of the research and development of sCO2 energy cycles. Construction materials for sCO2 power cycle equipment include HR6W, T92 and Haynes HR235 alloys. This work presents results of the corrosion test, in which samples of these materials were exposed to sCO2 at 550 °C and 25 MPa for 1000 hours. Corrosion after exposure was examined using a light optical microscope (LOM) and a scanning electron microscope (SEM). The significant differences in corrosion attack between the investigated materials and the formation of a protective oxide layer on the surface were observed.

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Section: úVodunclassified

Evaluation of microstructure of the steels after exposure in supercritical CO₂

Rozumová

Melichar

Berka

et al. 2020

Koroze a Ochrana Materialu

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“…The fluids in environments above critical temperature and pressure are called supercritical fluids [1]. Supercritical carbon dioxide (S-CO 2 ), whose critical point is 31.1 • C and 7.38 MPa, has the advantages of amphoteric liquid and gas, such as the characteristics of high density and solubility, which is similar to the liquid, and low viscosity, which is similar to the gas [2,3]. S-CO 2 possesses many unique characteristics, such as good compressibility, high density, high solubility, good fluidity and low velocity [4].…”

Section: Introductionmentioning

confidence: 99%

Review on the Corrosion Behaviour of Nickel-Based Alloys in Supercritical Carbon Dioxide under High Temperature and Pressure

et al. 2023

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Supercritical carbon dioxide (S-CO2) has the advantages of amphoteric liquid and gas, which possesses many unique characteristics, such as good compressibility, high density, high solubility, good fluidity and low viscosity. The Brayton cycle with S-CO2 is considered to have many promising applications, especially for power conversion industries. However, the corrosion and degradation of structural materials hinder the development and application of the Brayton cycle with S-CO2. Nickel-based alloys have the best corrosion resistance in S-CO2 environments compared to austenitic stainless steels and ferritic/martensitic steels. Thus, the present article mainly reviews the corrosion behaviour of nickel-based alloys in S-CO2 under high temperature and pressure. The effect of alloying elements and environment parameters on the corrosion behaviour of different nickel-based alloys are systematically summarized. The conclusion and outlook are given at the end.

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“…As early as the 1960s, researchers began to study the corrosion of steels in gas-cooled nuclear reactors, in which CO 2 is the main coolant [14][15][16]. More recently, the corrosion behaviors of many heat-resisting alloys, such as ferritic-martensitic steels (FMs) [17][18][19][20][21][22][23], austenitic steels [19,22,[24][25][26], nickel-base alloys [12,[27][28][29] and other new-type alloys [30][31][32], in high temperature CO 2 have also been studied extensively. The results show that the corrosion forms of heat-resistant alloys in a high temperature CO 2 environment are mainly oxidation and carburization.…”

Section: Introductionmentioning

confidence: 99%

Corrosion Behaviors of Heat-Resisting Alloys in High Temperature Carbon Dioxide

Yang¹,

Qian²,

Kuang³

2022

Materials

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The supercritical carbon dioxide Brayton cycle is a promising power conversion option for green energies, such as solar power and nuclear reactors. The material challenge is a tremendous obstacle for the reliable operation of such a cycle system. A large body of research indicates that high-temperature corrosion of heat-resisting alloys by CO2 results in severe oxidation and, in many cases, concurrent internal carburization. This paper mainly reviews the oxidation behavior, carburization behavior and stress corrosion behavior of heat-resisting alloys in high temperature CO2. Specifically, the main factors affecting the oxidation behavior of heat-resistant alloys, such as environmental parameters, surface condition and gaseous impurity, are discussed. Then, carburization is explored, especially the driving force of carburization and the consequences of carburization. Subsequently, the effects of the environmental parameters, alloy type and different oxide layers on the carburizing behavior are comprehensively reviewed. Finally, the effects of corrosion on the mechanical behavior and stress corrosion cracking behavior of heat-resisting alloys are also summarized. The corrosion performances of heat-resisting alloys in high temperature CO2 are systematically analyzed, and new scopes are proposed for future material research. The information provided in this work is valuable for the development of structural material for the supercritical carbon dioxide Brayton cycle.

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Corrosion behavior of ferritic and ferritic-martensitic steels in supercritical carbon dioxide

Cited by 39 publications

References 31 publications

Evaluation of microstructure of the steels after exposure in supercritical CO₂

Evaluation of microstructure of the steels after exposure in supercritical CO₂

Review on the Corrosion Behaviour of Nickel-Based Alloys in Supercritical Carbon Dioxide under High Temperature and Pressure

Corrosion Behaviors of Heat-Resisting Alloys in High Temperature Carbon Dioxide

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Corrosion behavior of ferritic and ferritic-martensitic steels in supercritical carbon dioxide

Cited by 39 publications

References 31 publications

Evaluation of microstructure of the steels after exposure in supercritical CO2

Evaluation of microstructure of the steels after exposure in supercritical CO2

Review on the Corrosion Behaviour of Nickel-Based Alloys in Supercritical Carbon Dioxide under High Temperature and Pressure

Corrosion Behaviors of Heat-Resisting Alloys in High Temperature Carbon Dioxide

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Evaluation of microstructure of the steels after exposure in supercritical CO₂

Evaluation of microstructure of the steels after exposure in supercritical CO₂