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The effect of controlled shot peening on fusion welded joints

Che Lah, Nur Azida and Ali, Aidy and Ismail, Napsiah and Lim, Poon Chai and Mohamed, Abdul Aziz (2010) The effect of controlled shot peening on fusion welded joints. Materials and Design, 31 (1). pp. 312-324. ISSN 0264-1275

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Abstract

This work examines the effect of controlled shot peening (CSP) treatment on the fatigue strength of an ASTM A516 grade 70 carbon steel welded joint. Metallurgical modifications, hardness, elemental compositions, and internal discontinuities, such as porosity, inclusions, lack of penetration, and undercut 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 50% on MMA-welded, 63% on MIG-welded, and 60% on TIG-welded samples.

Item Type:Article
Keyword:Controlled shot peening, ASTM A516 grade 70, Fusion welding
Faculty or Institute:Faculty of Engineering
Publisher:Elsevier
DOI Number:10.1016/j.matdes.2009.06.027
Altmetrics:http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1016/j.matdes.2009.06.027
ID Code:11793
Deposited By: kmportal
Deposited On:14 Apr 2011 07:57
Last Modified:27 Apr 2011 05:10

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