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A Critical Analysis of the Conventionally Employed Creep Lifing Methods

Zak Abdallah, Veronica Gray, Mark Whittaker Orcid Logo, Karen Perkins Orcid Logo

Materials, Volume: 7, Issue: 5, Pages: 3371 - 3398

Swansea University Authors: Zak Abdallah, Veronica Gray, Mark Whittaker Orcid Logo, Karen Perkins Orcid Logo

DOI (Published version): 10.3390/ma7053371

Abstract

The deformation of structural alloys presents problems for power plants and aerospace applications due to the demand for elevated temperatures for higher efficiencies and reductions in greenhouse gas emissions. The materials used in such applications experience harsh environments which may lead to d...

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Published in: Materials
Published: 2014
URI: https://cronfa.swan.ac.uk/Record/cronfa21247
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spelling 2016-05-26T14:23:29.8408767 v2 21247 2015-05-08 A Critical Analysis of the Conventionally Employed Creep Lifing Methods ae66331ad6f4d38f8799b9b5375770dd Zak Abdallah Zak Abdallah true false 46c41e07e66b7dd7d2d63b26ea0e3450 Veronica Gray Veronica Gray true false a146c6d442cb2c466d096179f9ac97ca 0000-0002-5854-0726 Mark Whittaker Mark Whittaker true false f866eaa2d8f163d2b4e99259966427c8 0000-0001-5826-9705 Karen Perkins Karen Perkins true false 2015-05-08 MTLS The deformation of structural alloys presents problems for power plants and aerospace applications due to the demand for elevated temperatures for higher efficiencies and reductions in greenhouse gas emissions. The materials used in such applications experience harsh environments which may lead to deformation and failure of critical components. To avoid such catastrophic failures and also increase efficiency, future designs must utilise novel/improved alloy systems with enhanced temperature capability. In recognising this issue, a detailed understanding of creep is essential for the success of these designs by ensuring components do not experience excessive deformation which may ultimately lead to failure. To achieve this, a variety of parametric methods have been developed to quantify creep and creep fracture in high temperature applications. This study reviews a number of well-known traditionally employed creep lifing methods with some more recent approaches also included. The first section of this paper focuses on predicting the long-term creep rupture properties which is an area of interest for the power generation sector. The second section looks at pre-defined strains and the re-production of full creep curves based on available data which is pertinent to the aerospace industry where components are replaced before failure. Journal Article Materials 7 5 3371 3398 29 4 2014 2014-04-29 10.3390/ma7053371 COLLEGE NANME Materials Science and Engineering COLLEGE CODE MTLS Swansea University 2016-05-26T14:23:29.8408767 2015-05-08T13:39:45.9300007 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised Zak Abdallah 1 Veronica Gray 2 Mark Whittaker 0000-0002-5854-0726 3 Karen Perkins 0000-0001-5826-9705 4 0021247-17032016124855.pdf materialscronfa.pdf 2016-03-17T12:48:55.8470000 Output 1058125 application/pdf Version of Record true 2016-03-17T00:00:00.0000000 true
title A Critical Analysis of the Conventionally Employed Creep Lifing Methods
spellingShingle A Critical Analysis of the Conventionally Employed Creep Lifing Methods
Zak Abdallah
Veronica Gray
Mark Whittaker
Karen Perkins
title_short A Critical Analysis of the Conventionally Employed Creep Lifing Methods
title_full A Critical Analysis of the Conventionally Employed Creep Lifing Methods
title_fullStr A Critical Analysis of the Conventionally Employed Creep Lifing Methods
title_full_unstemmed A Critical Analysis of the Conventionally Employed Creep Lifing Methods
title_sort A Critical Analysis of the Conventionally Employed Creep Lifing Methods
author_id_str_mv ae66331ad6f4d38f8799b9b5375770dd
46c41e07e66b7dd7d2d63b26ea0e3450
a146c6d442cb2c466d096179f9ac97ca
f866eaa2d8f163d2b4e99259966427c8
author_id_fullname_str_mv ae66331ad6f4d38f8799b9b5375770dd_***_Zak Abdallah
46c41e07e66b7dd7d2d63b26ea0e3450_***_Veronica Gray
a146c6d442cb2c466d096179f9ac97ca_***_Mark Whittaker
f866eaa2d8f163d2b4e99259966427c8_***_Karen Perkins
author Zak Abdallah
Veronica Gray
Mark Whittaker
Karen Perkins
author2 Zak Abdallah
Veronica Gray
Mark Whittaker
Karen Perkins
format Journal article
container_title Materials
container_volume 7
container_issue 5
container_start_page 3371
publishDate 2014
institution Swansea University
doi_str_mv 10.3390/ma7053371
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 - Uncategorised{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Uncategorised
document_store_str 1
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description The deformation of structural alloys presents problems for power plants and aerospace applications due to the demand for elevated temperatures for higher efficiencies and reductions in greenhouse gas emissions. The materials used in such applications experience harsh environments which may lead to deformation and failure of critical components. To avoid such catastrophic failures and also increase efficiency, future designs must utilise novel/improved alloy systems with enhanced temperature capability. In recognising this issue, a detailed understanding of creep is essential for the success of these designs by ensuring components do not experience excessive deformation which may ultimately lead to failure. To achieve this, a variety of parametric methods have been developed to quantify creep and creep fracture in high temperature applications. This study reviews a number of well-known traditionally employed creep lifing methods with some more recent approaches also included. The first section of this paper focuses on predicting the long-term creep rupture properties which is an area of interest for the power generation sector. The second section looks at pre-defined strains and the re-production of full creep curves based on available data which is pertinent to the aerospace industry where components are replaced before failure.
published_date 2014-04-29T03:25:09Z
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