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Crack growth micro-mechanisms in the IN718 alloy under the combined influence of fatigue, creep and oxidation

D.G. Leo Prakash, M.J Walsh, D Maclachlan, A.M Korsunsky, Leo Prakash Orcid Logo

International Journal of Fatigue, Volume: 31, Issue: 11-12, Pages: 1966 - 1977

Swansea University Author: Leo Prakash Orcid Logo

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Abstract

The objective of the present study is to review the different phenomena responsible for crack growth in the IN718 nickel-base superalloy under the combination of fatigue, creep and oxidation. We review the descriptions of the micro-mechanisms found in the literature, with a special emphasis on the t...

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Published in: International Journal of Fatigue
ISSN: 0142-1123
Published: 2009
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URI: https://cronfa.swan.ac.uk/Record/cronfa15867
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spelling 2015-11-02T14:24:55.8783179 v2 15867 2013-09-10 Crack growth micro-mechanisms in the IN718 alloy under the combined influence of fatigue, creep and oxidation bd72868c48af6c0b04bf9f6bb48ce324 0000-0002-8812-8927 Leo Prakash Leo Prakash true false 2013-09-10 MTLS The objective of the present study is to review the different phenomena responsible for crack growth in the IN718 nickel-base superalloy under the combination of fatigue, creep and oxidation. We review the descriptions of the micro-mechanisms found in the literature, with a special emphasis on the time-dependent effects. The changes in the microscopic appearance of fracture surfaces due to the variations in the temperature, frequency, dwell time, microstructure and partial pressure of oxygen are considered. Elucidation of these microscopic aspects of crack growth requires establishing a connection with macroscopic conditions and parameters of crack growth, and these topics are touched upon in the present review insofar it is necessary. The review allows the identification of important parameters that control component durability, and need to be included in fatigue crack growth modelling for the development of better predictive lifing assessments. Journal Article International Journal of Fatigue 31 11-12 1966 1977 0142-1123 Fatigue crack growth Mechanisms, Creep, Oxidation, High temperature 12 12 2009 2009-12-12 10.1016/j.ijfatigue.2009.01.023 http://www.sciencedirect.com/science/article/pii/S0142112309000504 This is one of the rare papers, which provides the mechanisms of the combined influence of fatigue, creep and oxidation, and link them to lifing methods of an important aerospace metal. It is published in the top ranked journal within the research are of fatigue (International Journal of Fatigue, 5 year Impact factor: 1.974, citations: 13). Furthermore, interest generated by this paper resulted in the credit as ‘Top25 Hottest Articles’ ( for the period October to December 2009). COLLEGE NANME Materials Science and Engineering COLLEGE CODE MTLS Swansea University 2015-11-02T14:24:55.8783179 2013-09-10T12:02:33.7027609 College of Engineering Engineering D.G. Leo Prakash 1 M.J Walsh 2 D Maclachlan 3 A.M Korsunsky 4 Leo Prakash 0000-0002-8812-8927 5
title Crack growth micro-mechanisms in the IN718 alloy under the combined influence of fatigue, creep and oxidation
spellingShingle Crack growth micro-mechanisms in the IN718 alloy under the combined influence of fatigue, creep and oxidation
Leo Prakash
title_short Crack growth micro-mechanisms in the IN718 alloy under the combined influence of fatigue, creep and oxidation
title_full Crack growth micro-mechanisms in the IN718 alloy under the combined influence of fatigue, creep and oxidation
title_fullStr Crack growth micro-mechanisms in the IN718 alloy under the combined influence of fatigue, creep and oxidation
title_full_unstemmed Crack growth micro-mechanisms in the IN718 alloy under the combined influence of fatigue, creep and oxidation
title_sort Crack growth micro-mechanisms in the IN718 alloy under the combined influence of fatigue, creep and oxidation
author_id_str_mv bd72868c48af6c0b04bf9f6bb48ce324
author_id_fullname_str_mv bd72868c48af6c0b04bf9f6bb48ce324_***_Leo Prakash
author Leo Prakash
author2 D.G. Leo Prakash
M.J Walsh
D Maclachlan
A.M Korsunsky
Leo Prakash
format Journal article
container_title International Journal of Fatigue
container_volume 31
container_issue 11-12
container_start_page 1966
publishDate 2009
institution Swansea University
issn 0142-1123
doi_str_mv 10.1016/j.ijfatigue.2009.01.023
college_str College of Engineering
hierarchytype
hierarchy_top_id collegeofengineering
hierarchy_top_title College of Engineering
hierarchy_parent_id collegeofengineering
hierarchy_parent_title College of Engineering
department_str Engineering{{{_:::_}}}College of Engineering{{{_:::_}}}Engineering
url http://www.sciencedirect.com/science/article/pii/S0142112309000504
document_store_str 0
active_str 0
description The objective of the present study is to review the different phenomena responsible for crack growth in the IN718 nickel-base superalloy under the combination of fatigue, creep and oxidation. We review the descriptions of the micro-mechanisms found in the literature, with a special emphasis on the time-dependent effects. The changes in the microscopic appearance of fracture surfaces due to the variations in the temperature, frequency, dwell time, microstructure and partial pressure of oxygen are considered. Elucidation of these microscopic aspects of crack growth requires establishing a connection with macroscopic conditions and parameters of crack growth, and these topics are touched upon in the present review insofar it is necessary. The review allows the identification of important parameters that control component durability, and need to be included in fatigue crack growth modelling for the development of better predictive lifing assessments.
published_date 2009-12-12T03:25:26Z
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score 10.901385