2016 | OriginalPaper | Buchkapitel
Visualization of Material Flow in Friction Extrusion
verfasst von : X. Li, W. Tang, A. P. Reynolds
Erschienen in: ICAA13 Pittsburgh
Verlag: Springer International Publishing
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Friction extrusion is a solid state process which can produce high quality wire or fully consolidated bulk material from metal chips or powders. In order to improve understanding of consolidation and extrusion and help to validate numerical simulations, material flow visualization experiments were conducted using a marker insert technique (MIT). Results show that marker material can be traced when it is placed in an initially consolidated charge. The deformation is consistent with the extrusion ratio at the center of the extruded wire and considerably larger away from the center.