State of the art overview material degradation in high-temperature supercritical CO2 environments

K Li, Z Zhu, B Xiao, JL Luo, N Zhang - Progress in Materials Science, 2023 - Elsevier
Abstract The supercritical CO 2 (S-CO 2) Brayton cycle has drawn much attention in the field
of thermal cycles due to its merits of high efficiency, simple layout and compact …

General and unique issues at multiple scales for supercritical carbon dioxide power system: A review on recent advances

YH Fan, GH Tang, XL Li, DL Yang - Energy Conversion and Management, 2022 - Elsevier
Under the background of carbon reduction, the development of efficient power conversion
system has drawn more important attention. The advantages of high efficiency and …

[HTML][HTML] Corrosion behaviors of heat-resisting alloys in high temperature carbon dioxide

L Yang, H Qian, W Kuang - Materials, 2022 - mdpi.com
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 …

Carburization susceptibility of chromia-forming alloys in high-temperature CO2

RP Oleksak, GR Holcomb, CS Carney, ÖN Doğan - Corrosion Science, 2022 - Elsevier
It is generally believed that when a chromia scale forms in high-temperature CO 2
environments, carbon uptake of alloys is nearly eliminated, thereby preventing carburization …

Molecular dynamics study on the initial oxidation behavior of FeCr alloys in supercritical H2O and supercritical CO2 with O2

T Guo, C He, Z Liang, Q Zhao - The Journal of Supercritical Fluids, 2024 - Elsevier
The initial oxidation behavior of Fe10Cr and Fe20Cr alloys in supercritical H 2 O and
supercritical CO 2 with O 2 at 650℃ is investigated by molecular dynamics. O 2 has the …

Corrosion behavior of heat-resistant steel T91 in high-temperature supercritical carbon dioxide with impurity O2, SO2 or H2S

Y Liu, G Xiao, M Wang, Q Guo, Z Wang, Y Wu… - The Journal of …, 2023 - Elsevier
This study investigated corrosion of T91 in supercritical carbon dioxide (sCO 2) with impurity
of 100 ppm O 2, SO 2 or H 2 S at 550℃ and 15 MPa. O 2 slightly increased mass gain of …

[PDF][PDF] Materials performance in CO2 and supercritical CO2

RP Oleksak, F Rouillard - Comprehensive Nuclear Materials, 2020 - researchgate.net
Past and current gas-cooled nuclear reactors rely on CO2-rich gases as a coolant to transfer
heat from the reactor core, while future reactors may utilize supercritical CO2 Brayton cycle …

The effects of grain boundary structure and bulk Cr content on grain boundary degradation behavior of Ni-Cr binary alloys in high temperature CO2

L Yang, H Qian, X Hao, W Kuang - Acta Materialia, 2024 - Elsevier
The effects of grain boundary (GB) structure and bulk Cr content (from 15 wt.% to 30 wt.%)
on GB oxidation behavior of Ni-Cr binary alloys were investigated in 650° C/1atm CO 2 gas …

Effect of Fe on the oxidation, sulfidation and carburization behaviors of alloys in CO2 containing SO2

T Guo, X Cao, H Shao, Q Zhao, Z Liang - Corrosion Science, 2023 - Elsevier
The effect of Fe on the oxidation, sulfidation and carburization behaviors of alloys in CO 2
containing SO 2 at 1000℃ was investigated using multiple evaluation methods, including …

Temperature-dependence of oxidation and carburization of Grade 91 steel in CO2 containing impurities

RP Oleksak, JH Tylczak, ÖN Doğan - Corrosion Science, 2022 - Elsevier
Future CO 2 based power systems require steels resistant to corrosion in high-temperature
CO 2-rich environments. Candidate 9Cr ferritic-martensitic steels degrade by surface …