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

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

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...

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Veröffentlicht in:Scripta materialia 2015-06, Vol.102, p.95-98
Hauptverfasser: Liu, Xiaochao, Wu, Chuansong, Padhy, Girish Kumar
Format: Artikel
Sprache:eng
Schlagworte:
Deformation effects
Friction stir welding
Markers
Material flow
Plastic deformation
Strain
Strain rate
Ultrasonic vibration
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Beschreibung
Zusammenfassung: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.
ISSN:1359-6462
1872-8456
DOI:10.1016/j.scriptamat.2015.02.022