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Effect of Preheating on Microstructure and Tensile Properties of Friction Stir Welded AA7075 Aluminium Alloy Joints

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Academic year: 2019

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Table 1  Chemical composition of AA7075-T651 aluminum  alloy
Table 3 Measured peak temperature of each joint  Type of Joints   PRER
Fig.  8.    The  defect  showed  Figure  8a  was  found  at  (800  rpm)  low  spindle  speed
Fig. 6 Microstructure image of thermo-mechanical affected zone and stir zones
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