Compatibility of Wrought Superalloys with Supercritical CO2

B. A. Pint

doi:10.1007/978-3-031-27447-3_16

Compatibility of Wrought Superalloys with Supercritical CO₂

B. A. Pint

Materials Science and Technology Div

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

Supercritical CO₂ (sCO₂) power cycles, particularly direct-fired cycles, have the possibility of revolutionizing clean fossil energy with peak temperatures above 700 °C and wrought precipitation strengthened alloys like Haynes 282™ for structural components. At temperatures <650 °C, it would be desirable to use less expensive alloys, however, steels are known to be susceptible to carburization. Laboratory 300 bar sCO₂ autoclave results were collected on a range of alloys including less expensive Ni-based alloys like 825 compared to advanced austenitic steels like alloy 709 at 600 °C. Both alloys 825 and 709 formed thin, protective Cr-rich oxides after 1,000 h. Alloy 825 also was exposed for 1,000 h in sCO₂ at 800 °C and compared to a range of Ni-based alloys. Comparing alloys 625, 825, and 282, the mass gain increased with increasing alloy Ti content under these conditions. High Al superalloys did not perform significantly better under these conditions at 800 °C.

Original language	English
Title of host publication	Proceedings of the 10th International Symposium on Superalloy 718 and Derivatives, 2023
Editors	Eric A. Ott, Joel Andersson, Chantal Sudbrack, Zhongnan Bi, Kevin Bockenstedt, Ian Dempster, Michael Fahrmann, Paul Jablonski, Michael Kirka, Xingbo Liu, Daisuke Nagahama, Tim Smith, Martin Stockinger, Andrew Wessman
Publisher	Springer Science and Business Media Deutschland GmbH
Pages	239-247
Number of pages	9
ISBN (Print)	9783031274466
DOIs	https://doi.org/10.1007/978-3-031-27447-3_16
State	Published - 2023
Event	10th International Symposium on Superalloy 718 and Derivatives, 2023 - San Diego, United States Duration: Mar 19 2023 → Mar 23 2023

Publication series

Name	Minerals, Metals and Materials Series
ISSN (Print)	2367-1181
ISSN (Electronic)	2367-1696

Conference

Conference	10th International Symposium on Superalloy 718 and Derivatives, 2023
Country/Territory	United States
City	San Diego
Period	03/19/23 → 03/23/23

Bibliographical note

Publisher Copyright:
© 2023, The Minerals, Metals & Materials Society.

Funding

Acknowledgements The experimental work was conducted by B. Johnston, J. Keiser, T. Lowe, M. Lance, V. Cox, and D. Newberry at ORNL. Y.-F. Su and S. Dryepondt provided useful comments on the manuscript. Research sponsored by the U.S. Department of Energy, Office of Fossil Energy and Carbon Management, Crosscutting Technology Program. Disclaimer This manuscript has been authored by UT-Battelle, LLC under Contract No. DE-AC05-00OR22725 with the U.S. Department of Energy. The United States Government retains and the publisher, by accepting the article for publication, acknowledges that the United States Government retains a non-exclusive, paid-up, irrevocable, worldwide license to publish or reproduce the published form of this manuscript, or allow others to do so, for United States Government purposes. The Department of Energy will provide public access to these results of federally sponsored research in accordance with the DOE Public Access Plan (http://energy.gov/downloads/doe-public-access-plan).

Funders	Funder number
Crosscutting Technology Program
U.S. Department of Energy
Office of Fossil Energy and Carbon Management

Keywords

Environmental resistance
High temperature oxidation
Supercritical carbon dioxide

Access to Document

10.1007/978-3-031-27447-3_16

Cite this

Pint, B. A. (2023). Compatibility of Wrought Superalloys with Supercritical CO₂ In E. A. Ott, J. Andersson, C. Sudbrack, Z. Bi, K. Bockenstedt, I. Dempster, M. Fahrmann, P. Jablonski, M. Kirka, X. Liu, D. Nagahama, T. Smith, M. Stockinger, & A. Wessman (Eds.), Proceedings of the 10th International Symposium on Superalloy 718 and Derivatives, 2023 (pp. 239-247). (Minerals, Metals and Materials Series). Springer Science and Business Media Deutschland GmbH. https://doi.org/10.1007/978-3-031-27447-3_16

Pint, B. A. / Compatibility of Wrought Superalloys with Supercritical CO₂ Proceedings of the 10th International Symposium on Superalloy 718 and Derivatives, 2023. editor / Eric A. Ott ; Joel Andersson ; Chantal Sudbrack ; Zhongnan Bi ; Kevin Bockenstedt ; Ian Dempster ; Michael Fahrmann ; Paul Jablonski ; Michael Kirka ; Xingbo Liu ; Daisuke Nagahama ; Tim Smith ; Martin Stockinger ; Andrew Wessman. Springer Science and Business Media Deutschland GmbH, 2023. pp. 239-247 (Minerals, Metals and Materials Series).

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abstract = "Supercritical CO2 (sCO2) power cycles, particularly direct-fired cycles, have the possibility of revolutionizing clean fossil energy with peak temperatures above 700 °C and wrought precipitation strengthened alloys like Haynes 282{\texttrademark} for structural components. At temperatures <650 °C, it would be desirable to use less expensive alloys, however, steels are known to be susceptible to carburization. Laboratory 300 bar sCO2 autoclave results were collected on a range of alloys including less expensive Ni-based alloys like 825 compared to advanced austenitic steels like alloy 709 at 600 °C. Both alloys 825 and 709 formed thin, protective Cr-rich oxides after 1,000 h. Alloy 825 also was exposed for 1,000 h in sCO2 at 800 °C and compared to a range of Ni-based alloys. Comparing alloys 625, 825, and 282, the mass gain increased with increasing alloy Ti content under these conditions. High Al superalloys did not perform significantly better under these conditions at 800 °C.",

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Pint, BA 2023, Compatibility of Wrought Superalloys with Supercritical CO₂ in EA Ott, J Andersson, C Sudbrack, Z Bi, K Bockenstedt, I Dempster, M Fahrmann, P Jablonski, M Kirka, X Liu, D Nagahama, T Smith, M Stockinger & A Wessman (eds), Proceedings of the 10th International Symposium on Superalloy 718 and Derivatives, 2023. Minerals, Metals and Materials Series, Springer Science and Business Media Deutschland GmbH, pp. 239-247, 10th International Symposium on Superalloy 718 and Derivatives, 2023, San Diego, United States, 03/19/23. https://doi.org/10.1007/978-3-031-27447-3_16

Compatibility of Wrought Superalloys with Supercritical CO₂ . / Pint, B. A.
Proceedings of the 10th International Symposium on Superalloy 718 and Derivatives, 2023. ed. / Eric A. Ott; Joel Andersson; Chantal Sudbrack; Zhongnan Bi; Kevin Bockenstedt; Ian Dempster; Michael Fahrmann; Paul Jablonski; Michael Kirka; Xingbo Liu; Daisuke Nagahama; Tim Smith; Martin Stockinger; Andrew Wessman. Springer Science and Business Media Deutschland GmbH, 2023. p. 239-247 (Minerals, Metals and Materials Series).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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N2 - Supercritical CO2 (sCO2) power cycles, particularly direct-fired cycles, have the possibility of revolutionizing clean fossil energy with peak temperatures above 700 °C and wrought precipitation strengthened alloys like Haynes 282™ for structural components. At temperatures <650 °C, it would be desirable to use less expensive alloys, however, steels are known to be susceptible to carburization. Laboratory 300 bar sCO2 autoclave results were collected on a range of alloys including less expensive Ni-based alloys like 825 compared to advanced austenitic steels like alloy 709 at 600 °C. Both alloys 825 and 709 formed thin, protective Cr-rich oxides after 1,000 h. Alloy 825 also was exposed for 1,000 h in sCO2 at 800 °C and compared to a range of Ni-based alloys. Comparing alloys 625, 825, and 282, the mass gain increased with increasing alloy Ti content under these conditions. High Al superalloys did not perform significantly better under these conditions at 800 °C.

AB - Supercritical CO2 (sCO2) power cycles, particularly direct-fired cycles, have the possibility of revolutionizing clean fossil energy with peak temperatures above 700 °C and wrought precipitation strengthened alloys like Haynes 282™ for structural components. At temperatures <650 °C, it would be desirable to use less expensive alloys, however, steels are known to be susceptible to carburization. Laboratory 300 bar sCO2 autoclave results were collected on a range of alloys including less expensive Ni-based alloys like 825 compared to advanced austenitic steels like alloy 709 at 600 °C. Both alloys 825 and 709 formed thin, protective Cr-rich oxides after 1,000 h. Alloy 825 also was exposed for 1,000 h in sCO2 at 800 °C and compared to a range of Ni-based alloys. Comparing alloys 625, 825, and 282, the mass gain increased with increasing alloy Ti content under these conditions. High Al superalloys did not perform significantly better under these conditions at 800 °C.

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Pint BA. Compatibility of Wrought Superalloys with Supercritical CO₂ In Ott EA, Andersson J, Sudbrack C, Bi Z, Bockenstedt K, Dempster I, Fahrmann M, Jablonski P, Kirka M, Liu X, Nagahama D, Smith T, Stockinger M, Wessman A, editors, Proceedings of the 10th International Symposium on Superalloy 718 and Derivatives, 2023. Springer Science and Business Media Deutschland GmbH. 2023. p. 239-247. (Minerals, Metals and Materials Series). doi: 10.1007/978-3-031-27447-3_16