Fatigue Life Prediction of Spot-Welded Structures: A Finite Element Analysis Approach

This study presents the effect of the spot weld and sheets thickness on the fatigue life of the of the spot-weld joints to predict the lifetime and location of the weakest spot-welds due to the variable amplitude loading conditions. A simple model was used to illustrate the technique of spot-weld fa...

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Main Authors: M. M., Rahman, R. A., Bakar, M. M., Noor, M. R. M., Rejab, M. S. M., Sani
Format: Article
Language:English
Published: � EuroJournals Publishing, Inc. 2008
Subjects:
Online Access:http://umpir.ump.edu.my/id/eprint/1318/1/Fatigue_Life_Prediction_of_Spot-Welded_Structures_A_Finite.pdf
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author M. M., Rahman
R. A., Bakar
M. M., Noor
M. R. M., Rejab
M. S. M., Sani
author_facet M. M., Rahman
R. A., Bakar
M. M., Noor
M. R. M., Rejab
M. S. M., Sani
author_sort M. M., Rahman
collection UMP
description This study presents the effect of the spot weld and sheets thickness on the fatigue life of the of the spot-weld joints to predict the lifetime and location of the weakest spot-welds due to the variable amplitude loading conditions. A simple model was used to illustrate the technique of spot-weld fatigue analysis. Finite element model and analysis were carried out utilizing the finite element analysis commercial codes. Linear elastic finite element analysis was carried out to predict the stress state along the weld direction. It can be seen from the results that the predicted life greatly influence the sheet thickness, nugget diameter and loading conditions of the model. Acquired results were shown the predicted life for the nugget and the two sheets around the circumference of the spot-weld at which angle the worst damage occurs. The spot-welding fatigue analysis techniques are awfully essential for automotive structure design.
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spelling UMPir13182018-01-23T03:29:33Z http://umpir.ump.edu.my/id/eprint/1318/ Fatigue Life Prediction of Spot-Welded Structures: A Finite Element Analysis Approach M. M., Rahman R. A., Bakar M. M., Noor M. R. M., Rejab M. S. M., Sani TJ Mechanical engineering and machinery This study presents the effect of the spot weld and sheets thickness on the fatigue life of the of the spot-weld joints to predict the lifetime and location of the weakest spot-welds due to the variable amplitude loading conditions. A simple model was used to illustrate the technique of spot-weld fatigue analysis. Finite element model and analysis were carried out utilizing the finite element analysis commercial codes. Linear elastic finite element analysis was carried out to predict the stress state along the weld direction. It can be seen from the results that the predicted life greatly influence the sheet thickness, nugget diameter and loading conditions of the model. Acquired results were shown the predicted life for the nugget and the two sheets around the circumference of the spot-weld at which angle the worst damage occurs. The spot-welding fatigue analysis techniques are awfully essential for automotive structure design. � EuroJournals Publishing, Inc. 2008 Article PeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/1318/1/Fatigue_Life_Prediction_of_Spot-Welded_Structures_A_Finite.pdf M. M., Rahman and R. A., Bakar and M. M., Noor and M. R. M., Rejab and M. S. M., Sani (2008) Fatigue Life Prediction of Spot-Welded Structures: A Finite Element Analysis Approach. European Journal of Scientific Research, 22 (3). pp. 444-456. ISSN ISSN 1450-216X. (Published)
spellingShingle TJ Mechanical engineering and machinery
M. M., Rahman
R. A., Bakar
M. M., Noor
M. R. M., Rejab
M. S. M., Sani
Fatigue Life Prediction of Spot-Welded Structures: A Finite Element Analysis Approach
title Fatigue Life Prediction of Spot-Welded Structures: A Finite Element Analysis Approach
title_full Fatigue Life Prediction of Spot-Welded Structures: A Finite Element Analysis Approach
title_fullStr Fatigue Life Prediction of Spot-Welded Structures: A Finite Element Analysis Approach
title_full_unstemmed Fatigue Life Prediction of Spot-Welded Structures: A Finite Element Analysis Approach
title_short Fatigue Life Prediction of Spot-Welded Structures: A Finite Element Analysis Approach
title_sort fatigue life prediction of spot welded structures a finite element analysis approach
topic TJ Mechanical engineering and machinery
url http://umpir.ump.edu.my/id/eprint/1318/1/Fatigue_Life_Prediction_of_Spot-Welded_Structures_A_Finite.pdf
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