Paper Title:
Enhancement of Welded Joints Productivity Effect of Welding Position on Fatigue Strength
  Abstract

Welded structures are frequently used in today’s metal industry. Since fatigue is still one major reason of failures, investigation in this field is of interest to engineers. In this study experimental methods are employed to perform a fatigue evaluation concerning local weld geometry. The emphasis was on quantifying the weld toe radius as a feature in quantification of weld quality. Three different welding positions which have been led to different toe radii were analyzed. Each batch contained 12 specimens manufactured in cruciform joint and has been tested in non-load carrying status. Finally, the results of tests were compiled in Wöhler (S-N) curve and compared to reference curves introduced by IIW (International Institute of Welding). Results of this study show that local weld geometry has remarkable influence on strength of welded structures. It can be concluded that specimens with larger toe radii had more fatigue strength – as it was expected from the theory.

  Info
Periodical
Chapter
Chapter 1: Materials Behavior
Edited by
Wu Fan
Pages
202-209
DOI
10.4028/www.scientific.net/AMM.110-116.202
Citation
M. K. Hatami, A. M. Amini, K. Fallahi, "Enhancement of Welded Joints Productivity Effect of Welding Position on Fatigue Strength", Applied Mechanics and Materials, Vols. 110-116, pp. 202-209, 2012
Online since
October 2011
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Price
$32.00
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