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Fatigue strength improvement of MIG-welded joint by shot peening


Che Lah, Nur Azida and Ali, Aidy (2011) Fatigue strength improvement of MIG-welded joint by shot peening. IOP Conference Series: Materials Science and Engineering, 17 (1). art. no. 012001. pp. 1-6. ISSN 1757-8981; ESSN: 1757-899X


In this study, the effect of controlled shot peening (CSP) treatment on the fatigue strength of an ASTM A516 grade 70 carbon steel MIG-welded joint has been studied quantitatively. Metallurgical modifications, hardness, elemental compositions, and internal discontinuities, such as porosity and inclusions found in treated and untreated fusion welded joints, were characterized. The fatigue results of as-welded and peened skimmed joints were compared. It was observed that the effect of the CSP and skimming processes improved the fatigue life of the fusion weld by 63% on MIG-welded samples.

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Additional Metadata

Item Type: Article
Divisions: Faculty of Engineering
Institute of Advanced Technology
Sport Academy
DOI Number: https://doi.org/10.1088/1757-899X/17/1/012001
Publisher: IOP Publishing
Keywords: Shot peening; Fatigue strength; Welded joints
Depositing User: Nabilah Mustapa
Date Deposited: 09 Dec 2015 08:02
Last Modified: 09 Dec 2015 08:02
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1088/1757-899X/17/1/012001
URI: http://psasir.upm.edu.my/id/eprint/22961
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