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An investigation on residual stress and fatigue life assessment of T-shape welded joints

Abstract

This paper aims to quantitatively evaluate the residual stress and fatigue life of T-type welded joints with a multi-pass weld in different direction. The main research objectives of the experimental test were to test the residual stress by changing direction along with multiple wielding passes and determine the fatigue life of the welded joints. The result shows that compressive residual stress increases in the sample gradually from single-pass weld to double and triple-pass weld. Moreover, the fatigue life of the specimen also gradually improves with an increasing number of welding passes. Performing multi-pass welding in different directions affects the material’s residual stress and fatigue life, which is an essential factor to consider for assuring the strength of the welded joint.

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Authors (7)

Keywords

Details

Category:
Articles
Type:
artykuły w czasopismach
Published in:
ENGINEERING FAILURE ANALYSIS no. 141,
ISSN: 1350-6307
Language:
English
Publication year:
2022
Bibliographic description:
Samadi F., Mourya J., Wheatley G., Nizam Khan M., Masoudi Nejad R., Branco R., Macek W.: An investigation on residual stress and fatigue life assessment of T-shape welded joints// ENGINEERING FAILURE ANALYSIS -Vol. 141, (2022), s.106685-
DOI:
Digital Object Identifier (open in new tab) 10.1016/j.engfailanal.2022.106685
Sources of funding:
  • Free publication
Verified by:
Gdańsk University of Technology

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