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Analysis of tensile-shear strength of single and multi-friction stir spot welding joints under fixed welding process conditions / Morteza Asadollahi, Neda Jabbari, Soheil Nakhodchi, Hossein Salimi, Hamed Haddad Khodaparast

Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, Volume: 234, Issue: 24

Swansea University Author: Hamed Haddad Khodaparast

Abstract

The tensile-shear strength of AA 5052 single and multi-friction stir spot welding joints were analyzed using experimental, numerical, and analytical approaches. Benchmark specimens were designed and manufactured in a similar manner with respect to industrial practice. Under the fixed welding process...

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Published in: Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science
ISSN: 0954-4062 2041-2983
Published: SAGE Publications 2020
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URI: https://cronfa.swan.ac.uk/Record/cronfa54651
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spelling 2020-10-26T15:39:19.8151932 v2 54651 2020-07-06 Analysis of tensile-shear strength of single and multi-friction stir spot welding joints under fixed welding process conditions f207b17edda9c4c3ea074cbb7555efc1 0000-0002-3721-4980 Hamed Haddad Khodaparast Hamed Haddad Khodaparast true false 2020-07-06 AERO The tensile-shear strength of AA 5052 single and multi-friction stir spot welding joints were analyzed using experimental, numerical, and analytical approaches. Benchmark specimens were designed and manufactured in a similar manner with respect to industrial practice. Under the fixed welding process condition, the failure mechanism of friction stir spot welded specimens under tensile-shear loading was first determined by using macro- and micro-structural analysis. It is shown that increasing the tool shoulder diameter and the number of friction stir spot weldings may nonproportionally increase the strength of the joints. In the linearly arranged multi-friction stir spot welding joints, the strength of these joints was discussed using analytical approach. It is demonstrated that in certain cases, increasing the nugget diameter is preferred than increasing the number of nuggets. This is only applicable to a certain friction stir spot welding failure mechanism. A finite element model prediction tool was developed to predict the tensile-shear strength of friction stir spot welded joints using the material properties obtained from the measurement of experimental hardness. Journal Article Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 234 24 SAGE Publications 0954-4062 2041-2983 Friction stir spot weld, tensile-shear strength, multi-spot welding 1 12 2020 2020-12-01 10.1177/0954406220931527 COLLEGE NANME Aerospace Engineering COLLEGE CODE AERO Swansea University 2020-10-26T15:39:19.8151932 2020-07-06T12:28:07.5040532 Morteza Asadollahi 1 Neda Jabbari 2 Soheil Nakhodchi 3 Hossein Salimi 4 Hamed Haddad Khodaparast 0000-0002-3721-4980 5 54651__17661__ee066176a9e34063936e56b273e3c8c0.pdf 54651.pdf 2020-07-07T10:50:23.7413181 Output 3733396 application/pdf Accepted Manuscript true true eng
title Analysis of tensile-shear strength of single and multi-friction stir spot welding joints under fixed welding process conditions
spellingShingle Analysis of tensile-shear strength of single and multi-friction stir spot welding joints under fixed welding process conditions
Hamed, Haddad Khodaparast
title_short Analysis of tensile-shear strength of single and multi-friction stir spot welding joints under fixed welding process conditions
title_full Analysis of tensile-shear strength of single and multi-friction stir spot welding joints under fixed welding process conditions
title_fullStr Analysis of tensile-shear strength of single and multi-friction stir spot welding joints under fixed welding process conditions
title_full_unstemmed Analysis of tensile-shear strength of single and multi-friction stir spot welding joints under fixed welding process conditions
title_sort Analysis of tensile-shear strength of single and multi-friction stir spot welding joints under fixed welding process conditions
author_id_str_mv f207b17edda9c4c3ea074cbb7555efc1
author_id_fullname_str_mv f207b17edda9c4c3ea074cbb7555efc1_***_Hamed, Haddad Khodaparast
author Hamed, Haddad Khodaparast
author2 Morteza Asadollahi
Neda Jabbari
Soheil Nakhodchi
Hossein Salimi
Hamed Haddad Khodaparast
format Journal article
container_title Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science
container_volume 234
container_issue 24
publishDate 2020
institution Swansea University
issn 0954-4062
2041-2983
doi_str_mv 10.1177/0954406220931527
publisher SAGE Publications
document_store_str 1
active_str 0
description The tensile-shear strength of AA 5052 single and multi-friction stir spot welding joints were analyzed using experimental, numerical, and analytical approaches. Benchmark specimens were designed and manufactured in a similar manner with respect to industrial practice. Under the fixed welding process condition, the failure mechanism of friction stir spot welded specimens under tensile-shear loading was first determined by using macro- and micro-structural analysis. It is shown that increasing the tool shoulder diameter and the number of friction stir spot weldings may nonproportionally increase the strength of the joints. In the linearly arranged multi-friction stir spot welding joints, the strength of these joints was discussed using analytical approach. It is demonstrated that in certain cases, increasing the nugget diameter is preferred than increasing the number of nuggets. This is only applicable to a certain friction stir spot welding failure mechanism. A finite element model prediction tool was developed to predict the tensile-shear strength of friction stir spot welded joints using the material properties obtained from the measurement of experimental hardness.
published_date 2020-12-01T04:16:09Z
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score 10.822359