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A statistical assessment of the equivalence between creep and hot tensile behaviour of 2.25Cr-1Mo steel

Mark Evans

Materials Science and Technology, Volume: 41, Issue: 12, Pages: 897 - 913

Swansea University Author: Mark Evans

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DOI (Published version): 10.1177/02670836241273477

Abstract

It is important to be able to predict the creep life of materials used in power plants. Levi De Oliveira Bueno has suggested an equivalence between creep and high temperature tensile testing for 2.25Cr-1Mo steel. This offers the potential for reducing the development cycle for new materials designed...

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Published in: Materials Science and Technology
ISSN: 0267-0836 1743-2847
Published: SAGE Publications 2025
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URI: https://cronfa.swan.ac.uk/Record/cronfa67093
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spelling 2025-07-31T16:56:16.0586217 v2 67093 2024-07-15 A statistical assessment of the equivalence between creep and hot tensile behaviour of 2.25Cr-1Mo steel 7720f04c308cf7a1c32312058780d20c Mark Evans Mark Evans true false 2024-07-15 It is important to be able to predict the creep life of materials used in power plants. Levi De Oliveira Bueno has suggested an equivalence between creep and high temperature tensile testing for 2.25Cr-1Mo steel. This offers the potential for reducing the development cycle for new materials designed to operate at ever higher temperatures. This paper reviews the literature to identify some suitable statistical tests for this equivalence. When applied to 2.25Cr-1Mo steel, it was found that this equivalence was only valid if it the Monkman-Grant exponent equalled -1. However, this constraint was not accepted by the data based on the proposed statistical tests, and when this constraint was relaxed the equivalence between these different types of test data disappeared. Journal Article Materials Science and Technology 41 12 897 913 SAGE Publications 0267-0836 1743-2847 creep testing, tensile testing, Monkman-Grant relation, statistical test for linear restrictions, predictive performance 1 8 2025 2025-08-01 10.1177/02670836241273477 COLLEGE NANME COLLEGE CODE Swansea University SU Library paid the OA fee (TA Institutional Deal) Swansea University 2025-07-31T16:56:16.0586217 2024-07-15T09:58:58.7499315 Faculty of Science and Engineering School of Engineering and Applied Sciences - Materials Science and Engineering Mark Evans 1 67093__32566__8f33ff54ac1c4c2cadfb4204e2551417.pdf 67093.VOR.pdf 2024-10-09T11:30:54.8169245 Output 764691 application/pdf Version of Record true Distributed under a Creative Commons CC-BY-NC-ND licence. true eng https://creativecommons.org/licenses/by-nc-nd/4.0/
title A statistical assessment of the equivalence between creep and hot tensile behaviour of 2.25Cr-1Mo steel
spellingShingle A statistical assessment of the equivalence between creep and hot tensile behaviour of 2.25Cr-1Mo steel
Mark Evans
title_short A statistical assessment of the equivalence between creep and hot tensile behaviour of 2.25Cr-1Mo steel
title_full A statistical assessment of the equivalence between creep and hot tensile behaviour of 2.25Cr-1Mo steel
title_fullStr A statistical assessment of the equivalence between creep and hot tensile behaviour of 2.25Cr-1Mo steel
title_full_unstemmed A statistical assessment of the equivalence between creep and hot tensile behaviour of 2.25Cr-1Mo steel
title_sort A statistical assessment of the equivalence between creep and hot tensile behaviour of 2.25Cr-1Mo steel
author_id_str_mv 7720f04c308cf7a1c32312058780d20c
author_id_fullname_str_mv 7720f04c308cf7a1c32312058780d20c_***_Mark Evans
author Mark Evans
author2 Mark Evans
format Journal article
container_title Materials Science and Technology
container_volume 41
container_issue 12
container_start_page 897
publishDate 2025
institution Swansea University
issn 0267-0836
1743-2847
doi_str_mv 10.1177/02670836241273477
publisher SAGE Publications
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Materials Science and Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Materials Science and Engineering
document_store_str 1
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description It is important to be able to predict the creep life of materials used in power plants. Levi De Oliveira Bueno has suggested an equivalence between creep and high temperature tensile testing for 2.25Cr-1Mo steel. This offers the potential for reducing the development cycle for new materials designed to operate at ever higher temperatures. This paper reviews the literature to identify some suitable statistical tests for this equivalence. When applied to 2.25Cr-1Mo steel, it was found that this equivalence was only valid if it the Monkman-Grant exponent equalled -1. However, this constraint was not accepted by the data based on the proposed statistical tests, and when this constraint was relaxed the equivalence between these different types of test data disappeared.
published_date 2025-08-01T05:20:56Z
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