Establishing empirical relationships to predict grain size and tensile strength of friction stir welded AA 6061-T6 aluminium alloy joints
S Rajakumar, C Muralidharan… - … of Nonferrous Metals …, 2010 - Elsevier
AA 6061-T6 aluminium alloy (Al-Mg-Si alloy) has gathered wide acceptance in the
fabrication of light weight structures requiring a high specific strength and good corrosion
resistance. Compared with the fusion welding processes that are routinely used for joining
structural aluminium alloys, friction stir welding (FSW) process is an emerging solid state
joining process in which the material welded does not melt and recast. Joint strength is
influenced by the grain size and tensile strength of the weld nugget region. Hence, an …
fabrication of light weight structures requiring a high specific strength and good corrosion
resistance. Compared with the fusion welding processes that are routinely used for joining
structural aluminium alloys, friction stir welding (FSW) process is an emerging solid state
joining process in which the material welded does not melt and recast. Joint strength is
influenced by the grain size and tensile strength of the weld nugget region. Hence, an …
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