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High-temperature oxidation and carburization, corrosion protection, materials selection and coolant chemistry for supercritical carbon dioxide power cycles: A review.

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Bibliographic Details
Title: High-temperature oxidation and carburization, corrosion protection, materials selection and coolant chemistry for supercritical carbon dioxide power cycles: A review.
Authors: Zhang, Gen1 (AUTHOR), Huang, Yan-Ping1 (AUTHOR) hyanping007@163.com, Zhao, Yong-Fu1 (AUTHOR), Wang, Liang-Zi1 (AUTHOR), Jiang, E1 (AUTHOR), Tao, Si-Yuan1 (AUTHOR), Guo, Xianglong2 (AUTHOR), Liu, Wei-Wei1 (AUTHOR), Wang, Jia-Zhen1 (AUTHOR), Atrens, Andrej3 (AUTHOR), Pan, Fu-Sheng4 (AUTHOR)
Source: International Materials Reviews. Feb2026, Vol. 71 Issue 1, p30-94. 65p.
Subjects: Supercritical carbon dioxide, Carburization, Materials analysis, Corrosion prevention, Brayton cycle, Corrosion resistance, Heat transfer fluids, Oxidation
Abstract: Supercritical carbon dioxide (S-CO2) Brayton cycle using S-CO2 as the working fluids has a wide range of applications, which are regarded as one of the prime coolant system candidates replacing the traditional Rankine cycle. During the construction of S-CO2 cycle system, long-term environmental durability of structural material is one challenge in the extreme S-CO2 environment characterized by high temperature, high pressure, high velocity, stress loading and even irradiation. High-temperature oxidation, carbon deposition and internal carburization are the main concerns for structural materials in this unique high-temperature C-containing environment, which may result in breakaway oxidation and mechanical property degradation during long-term service. This paper mainly reviews i) the corrosion and degradation of metallic structural materials and non-metallic polymers in S-CO2, ii) factors affecting corrosion in S-CO2 including influence of the alloying elements, temperature, pressure and gas impurities, iii) material service behavior under multi-factors coupling environmental effects, iv) materials corrosion data and materials selection strategies, v) corrosion protection and coolant chemistry for S-CO2. Based on above research progress, the research scope for future research was also evaluated in this work. [ABSTRACT FROM AUTHOR]
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Database: Engineering Source
Description
Abstract:Supercritical carbon dioxide (S-CO2) Brayton cycle using S-CO2 as the working fluids has a wide range of applications, which are regarded as one of the prime coolant system candidates replacing the traditional Rankine cycle. During the construction of S-CO2 cycle system, long-term environmental durability of structural material is one challenge in the extreme S-CO2 environment characterized by high temperature, high pressure, high velocity, stress loading and even irradiation. High-temperature oxidation, carbon deposition and internal carburization are the main concerns for structural materials in this unique high-temperature C-containing environment, which may result in breakaway oxidation and mechanical property degradation during long-term service. This paper mainly reviews i) the corrosion and degradation of metallic structural materials and non-metallic polymers in S-CO2, ii) factors affecting corrosion in S-CO2 including influence of the alloying elements, temperature, pressure and gas impurities, iii) material service behavior under multi-factors coupling environmental effects, iv) materials corrosion data and materials selection strategies, v) corrosion protection and coolant chemistry for S-CO2. Based on above research progress, the research scope for future research was also evaluated in this work. [ABSTRACT FROM AUTHOR]
ISSN:09506608
DOI:10.1177/09506608251369099