Mixed mode fatigue crack initiation and growth in a CT specimen repaired by stop hole technique

The crack growth retardation and the location of fatigue crack initiation from stop-hole edge under different mode-mixities are examined in this paper by means of a developed fatigue code. Different loading conditions have been generated by using a mixed-mode CT specimen made of Al6061-T651. The num...

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Main Authors:	Ayatollahi, Majid Reza, Razavi, Seyed Mohammad Javad, Yahya, Mohd. Yazid
Format:	Article
Published:	Elsevier Ltd. 2015
Subjects:	TJ Mechanical engineering and machinery
Online Access:	http://eprints.utm.my/id/eprint/58569/ http://dx.doi.org/10.1016/j.engfracmech.2015.03.027
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Institution:	Universiti Teknologi Malaysia

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spelling	my.utm.585692021-12-08T08:45:57Z http://eprints.utm.my/id/eprint/58569/ Mixed mode fatigue crack initiation and growth in a CT specimen repaired by stop hole technique Ayatollahi, Majid Reza Razavi, Seyed Mohammad Javad Yahya, Mohd. Yazid TJ Mechanical engineering and machinery The crack growth retardation and the location of fatigue crack initiation from stop-hole edge under different mode-mixities are examined in this paper by means of a developed fatigue code. Different loading conditions have been generated by using a mixed-mode CT specimen made of Al6061-T651. The numerical results reveal that in the presence of stop holes the reduction in the stress concentration becomes larger for mode-II loading conditions. A comparison between the reported experimental results and the obtained computational results shows that the fatigue life extension of repaired specimens can be well predicted by the numerical model developed in this study. Elsevier Ltd. 2015 Article PeerReviewed Ayatollahi, Majid Reza and Razavi, Seyed Mohammad Javad and Yahya, Mohd. Yazid (2015) Mixed mode fatigue crack initiation and growth in a CT specimen repaired by stop hole technique. Engineering Fracture Mechanics, 145 . pp. 115-127. ISSN 0013-7944 http://dx.doi.org/10.1016/j.engfracmech.2015.03.027 DOI:10.1016/j.engfracmech.2015.03.027
institution	Universiti Teknologi Malaysia
building	UTM Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Teknologi Malaysia
content_source	UTM Institutional Repository
url_provider	http://eprints.utm.my/
topic	TJ Mechanical engineering and machinery
spellingShingle	TJ Mechanical engineering and machinery Ayatollahi, Majid Reza Razavi, Seyed Mohammad Javad Yahya, Mohd. Yazid Mixed mode fatigue crack initiation and growth in a CT specimen repaired by stop hole technique
description	The crack growth retardation and the location of fatigue crack initiation from stop-hole edge under different mode-mixities are examined in this paper by means of a developed fatigue code. Different loading conditions have been generated by using a mixed-mode CT specimen made of Al6061-T651. The numerical results reveal that in the presence of stop holes the reduction in the stress concentration becomes larger for mode-II loading conditions. A comparison between the reported experimental results and the obtained computational results shows that the fatigue life extension of repaired specimens can be well predicted by the numerical model developed in this study.
format	Article
author	Ayatollahi, Majid Reza Razavi, Seyed Mohammad Javad Yahya, Mohd. Yazid
author_facet	Ayatollahi, Majid Reza Razavi, Seyed Mohammad Javad Yahya, Mohd. Yazid
author_sort	Ayatollahi, Majid Reza
title	Mixed mode fatigue crack initiation and growth in a CT specimen repaired by stop hole technique
title_short	Mixed mode fatigue crack initiation and growth in a CT specimen repaired by stop hole technique
title_full	Mixed mode fatigue crack initiation and growth in a CT specimen repaired by stop hole technique
title_fullStr	Mixed mode fatigue crack initiation and growth in a CT specimen repaired by stop hole technique
title_full_unstemmed	Mixed mode fatigue crack initiation and growth in a CT specimen repaired by stop hole technique
title_sort	mixed mode fatigue crack initiation and growth in a ct specimen repaired by stop hole technique
publisher	Elsevier Ltd.
publishDate	2015
url	http://eprints.utm.my/id/eprint/58569/ http://dx.doi.org/10.1016/j.engfracmech.2015.03.027
_version_	1720436880278814720

Mixed mode fatigue crack initiation and growth in a CT specimen repaired by stop hole technique

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