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Journal of Materials Engineering and Performance

Erschienen in:

05.07.2017

Analysis and Prediction of the Billet Butt and Transverse Weld in the Continuous Extrusion Process of a Hollow Aluminum Profile

verfasst von: Shumei Lou, Yongxiao Wang, Chuanxi Liu, Shuai Lu, Sujun Liu, Chunjian Su

Erschienen in: Journal of Materials Engineering and Performance | Ausgabe 8/2017

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Abstract

In continuous extrusions of aluminum profiles, the thickness of the billet butt and the length of the discarded extrudate containing the transverse weld play key roles in reducing material loss and improving product quality. The formation and final distribution of the billet butt and transverse weld depend entirely on the flow behavior of the billet skin material. This study examined the flow behavior of the billet skin material as well as the formation and evolution of the billet butt and the transverse weld in detail through numerical simulation and a series of experiments. In practical extrusions, even if the billet skin is removed by lathe turning shortly before extrusion, billet skin impurities are still distributed around the transverse weld and in the billet butt. The thickness of the scrap billet butt and the length of the discarded extrudate containing the transverse weld can be exactly predicted via simulation.

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Titel: Analysis and Prediction of the Billet Butt and Transverse Weld in the Continuous Extrusion Process of a Hollow Aluminum Profile
verfasst von: Shumei Lou
Yongxiao Wang
Chuanxi Liu
Shuai Lu
Sujun Liu
Chunjian Su
Publikationsdatum: 05.07.2017
Verlag: Springer US
Erschienen in: Journal of Materials Engineering and Performance / Ausgabe 8/2017
Print ISSN: 1059-9495
Elektronische ISSN: 1544-1024
DOI: https://doi.org/10.1007/s11665-017-2771-y

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