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Behavior of volumetric core defects in friction extrusion of wire from Al-Cu alloy
RATH Lars, SUHUDDIN Uceu F. H., KLUSEMANN Benjamin
download PDFAbstract. Friction extrusion describes the processing of metallic materials by inducing severe plastic deformation via frictional heating and shear strain. Rotational motion between die and feedstock is the key feature defining the potential of the process to generate consolidated extrudates with refined, homogenized microstructure. In this study, the effect of volumetric core defects on the material flow and properties of the extrudate is investigated, by processing from Al-Cu billets with a centric bore. Optical as well as scanning electron microscopy, X-ray microtomography and micro-hardness measurements are applied. Different material flow patterns and defect closure mechanisms are identified in correlation with the defect volume and the potential of controlling material flow via geometrical feedstock modification is discussed.
Keywords
Friction Extrusion, Solid-State Processing, Aluminum-Copper
Published online 4/24/2024, 8 pages
Copyright © 2024 by the author(s)
Published under license by Materials Research Forum LLC., Millersville PA, USA
Citation: RATH Lars, SUHUDDIN Uceu F. H., KLUSEMANN Benjamin, Behavior of volumetric core defects in friction extrusion of wire from Al-Cu alloy, Materials Research Proceedings, Vol. 41, pp 763-770, 2024
DOI: https://doi.org/10.21741/9781644903131-84
The article was published as article 84 of the book Material Forming
Content from this work may be used under the terms of the Creative Commons Attribution 3.0 license. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
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