Elsevier

Scripta Materialia

Volume 102, June 2015, Pages 95-98
Scripta Materialia

Characterization of plastic deformation and material flow in ultrasonic vibration enhanced friction stir welding

https://doi.org/10.1016/j.scriptamat.2015.02.022Get rights and content

Material flow and plastic deformation in ultrasonic vibration enhanced friction stir welding are visualized by employing a special marker material and welding procedure. Based on the results, three methods are developed to evaluate the volume of deformed material, the material flow velocity and the strain/strain rate, and the effect of ultrasonic vibration on the plastic deformation and material flow around the tool is characterized.

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