Volume 3, Issue 1 (Journal OF Welding Science and Technology of Iran 2017)                   JWSTI 2017, 3(1): 62-75 | Back to browse issues page

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Kesharvarz A, Ranjbarnodeh E, Fadavie-Ardestani M, Saeed Kiasat M. Investigation of the thickness effect on fatigue life calculation in a single bevel butt weld in A36 steel using experiment and its comparison with simulation results. JWSTI 2017; 3 (1) :62-75
URL: http://jwsti.iut.ac.ir/article-1-142-en.html
Investigation of the thickness effect on fatigue life calculation in a single bevel butt weld in A36 steel using experiment and its comparison with simulation results
A. Kesharvarz1 , E. Ranjbarnodeh * 2, M. Fadavie-Ardestani1 , M. Saeed Kiasat1
1- Department of Maritime Technology, Amirkabir University of Technology.
2- Depatment of Mining and Metallurgical Engineering, Amirkabir University of Technology.
Abstract:   (9392 Views)
Nowdays, the prediction and prevention of fatigue failures is converted to one of the most concerns for industry owners. Since the processes of fatigue suddenly occur, it is most important and necessary to recognize the effective factors of fatigue life of structures. Mechanical and thermal multiple loading are the important factors of the fatigue failure. In order to appropriate fatigue design, analysis should be validated with experimental results. In present research, fatigue life of A36 welded steel samples obtained from test is compared by finite element results obtained from commercial ansys pakage. In this research, the effects of residual stress, reinforcement, notch and thickness of sampels on fatigue life are studied. Results of analytical simulation and experimental show good agreement. Results also shows the dominant effect of reinforcement on the fatigue life.      
Keywords: Fatigue, Multi-pass welding, Residual stress, Butt joint, Strain-life method, Thickness, Notch, Reinforcement.
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Type of Study: Research | Subject: Special
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