Microstructures and failure mechanisms of friction stir spot welds of aluminum 6061-T6 sheets

@inproceedings{Wang2007MicrostructuresAF,
  title={Microstructures and failure mechanisms of friction stir spot welds of aluminum 6061-T6 sheets},
  author={D.-A. Wang},
  year={2007}
}
Microstructures and failure mechanisms of friction stir spot welds in aluminum 6061-T6 lap-shear specimens are investigated based on experimental observations. Optical micrographs of the cross sections of friction stir spot welds in lap-shear specimens before and after failure are examined. These friction stir spot welds show the failure mode of nugget pullout under lap-shear loading conditions. The experimental observations suggest that under lap-shear loading conditions, the failure is… CONTINUE READING
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