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An Experimental Investigation into Different Distortion Control Techniques in Welded T-Joints

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Abstract:

Welding is a reliable and effective metal fabrication process which is widely used in industries. Localized heating during welding, followed by rapid cooling generates residual stress and distortion in the weld and base metal. In the last few decades various research efforts have been directed towards the control of welding process parameters aiming at reducing the residual stress and distortion. In the present paper the distortion in fillet welds and the affect of the distortion control techniques on the welded joint are studied. The welding is done with different process parameetrs and under different surrounding conditions. Due to this the distortion level in the T Joint was measured and observed. The study is necessarily aimed at developing the prediction and controlling techniques for distortion in welded T-joints. Key Words: Distortion, preheating, peening, leg length, Shielded metal arc welding (SMAW), Manual metal-arc welding (MMAW)

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Periodical:

Applied Mechanics and Materials (Volume 660)

Pages:

114-119

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.660.114

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Online since:

October 2014

Authors:

Ali Mir Sadat*, Rao Ch. Srinivasa

Keywords:

Distortion, Leg Length, Manual Metal-Arc Welding (MMAW), Peening, Preheating, Shielded Metal Arc Welding (SMAW)

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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