Experimental verification of heat input during friction stir welding of Al alloy 5083

Heat input during welding is a basic index for weld quality and service properties associated with the resulting microstructure. In this study, the heat inputs during friction stir welding of Al alloy 5083 at various welding parameters were measured by calorimetry. Multiple regression analysis of th...

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Bibliographic Details
Published inScience and technology of welding and joining Vol. 21; no. 4; pp. 325 - 330
Main Authors Sato, Y. S., Onuma, T., Ikeda, K., Kokawa, H.
Format Journal Article
LanguageEnglish
Published London, England Taylor & Francis 01.05.2016
SAGE Publications
Subjects
Al alloy
Friction stir welding
Grain size
Heat input
Grain size
Heat input
Al alloy
Friction stir welding
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Summary:Heat input during welding is a basic index for weld quality and service properties associated with the resulting microstructure. In this study, the heat inputs during friction stir welding of Al alloy 5083 at various welding parameters were measured by calorimetry. Multiple regression analysis of the data was conducted to determine an empirical equation to estimate the heat input with the input variables. The effect of the heat input on the grain size of the stir zone was also examined, and a good correlation between the grain size and heat input was obtained. This study obtained a systematic relationship between the input variables, heat input and grain size of the stir zone through experimental measurements.
ISSN:1362-1718
1743-2936
DOI:10.1080/13621718.2015.1112469