QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY
Online ISSN : 2434-8252
Print ISSN : 0288-4771
Effect of Weld Heat Input Conditions on Reduction of Angular Distortion by Heat-Sink Welding
Shigetaka OKANOMasahito MOCHIZUKIMasao TOYODATomoyuki UEYAMA
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2011 Volume 29 Issue 1 Pages 55-60

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Abstract
In recent years, in-process control welding for reducing weld distortion and residual stress is much more required from a view point of improving manufacturing efficiency. In-process control welding by additional cooling has been proposed as one of techniques for reducing weld distortion and residual stress. It has already been partially applied for thin-plate structure in industry. In order to extend the range of application of in-process control welding by additional cooling in the future, further studies are required. Firstly in this study, reduction of angular distortion by heat-sink welding is experimentally discussed. Based on the experimental results, effect of welding conditions on reduction of angular distortion by heat-sink welding is investigated by thermal elastic-plastic analysis. It is concluded that angular distortion is reduced by additional cooling with the appropriate cooling position, and the effect of welding conditions on reduction of angular distortion are clarified by associated with heat input parameter.
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© 2011 by JAPAN WELDING SOCIETY
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