An Investigation into the Effects of Spot Diameter and Sheets Thickness on Fatigue Life of Spot Welded Structure Based on Fea

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M. M., Noor and M. M., Rahman and R. A., Bakar and M. S. M., Sani (2008) An Investigation into the Effects of Spot Diameter and Sheets Thickness on Fatigue Life of Spot Welded Structure Based on Fea. Research Journal of Applied Sciences, 3 (1). pp. 10-15. ISSN 1815-932X

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Abstract

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 on the weakest spot-welds due ti 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 of the model. Acquired results were shown the predicted life for the nugget and the two sheet 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.

Item Type:Article
Additional Information:Prof. Dr. Md Mustafizur Rahman (M. M. Rahman) Muhamad Mat Noor (M. M. Noor) Prof. Dato’ Dr. Rosli Abu Bakar (R. A. Bakar) Mohd Shahrir Mohd Sani (M. S. M. Sani)
Uncontrolled Keywords:spot-weld structure, finite elements analysis, fatigue-life, sheet thickness, variable amplitude loading
Subjects:T Technology > TJ Mechanical engineering and machinery
Divisions:Faculty of Mechanical Engineering
ID Code:1239
Deposited By: Zairi Ibrahim
Deposited On:31 May 2011 09:15
Last Modified:31 Oct 2017 14:38

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