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

Samadi, Farzaneh, Mourya, Jeetendra, Wheatley, Greg, Khan, Mohammed Nizam, Nejad, Reza Masoudi, Branco, Ricardo, and Macek, Wojciech (2022) An investigation on residual stress and fatigue life assessment of T-shape welded joints. Engineering Failure Analysis, 141. 106685.

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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 experi-mental 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 ma-terial's residual stress and fatigue life, which is an essential factor to consider for assuring the strength of the welded joint.

Item ID: 76012
Item Type: Article (Research - C1)
ISSN: 1350-6307
Keywords: Residual stress, Fatigue life, Multi-pass weld, Bisalloy 80, Strain gauge
Copyright Information: © 2022 Elsevier Ltd. All rights reserved.
Date Deposited: 14 Sep 2022 08:43
FoR Codes: 40 ENGINEERING > 4001 Aerospace engineering > 400101 Aerospace materials @ 100%
SEO Codes: 27 TRANSPORT > 2701 Aerospace transport > 270199 Aerospace transport not elsewhere classified @ 100%
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