Please use this identifier to cite or link to this item: https://doi.org/10.48548/pubdata-132
Resource TypeJournal Article
TitleMicrostructure evolution and texture development during production of homogeneous fine-grained aluminum wire by friction extrusion
DOI10.48548/pubdata-132
Handle20.500.14123/151
CreatorSuhuddin, Uceu  0000-0002-4000-4036 (Helmholtz-Zentrum Hereon  03qjp1d79)
Rath, Lars  0000-0002-7497-5201 (Helmholtz-Zentrum Hereon  03qjp1d79)
Halak, Ricardo M. (Institut für Produktionstechnik und -systeme (IPTS), Leuphana Universität Lüneburg  02w2y2t16)
Klusemann, Benjamin  0000-0002-8516-5087 (Institut für Produktionstechnik und -systeme (IPTS), Leuphana Universität Lüneburg  02w2y2t16)
AbstractThis study aims to understand the microstructure evolution and texture development during friction extrusion of aluminum alloys, focusing on AA7075 as exemplary alloy system. Electron backscatter diffraction technique has been employed to obtain crystallographic data from various regions in front of the die and in the wire. It can be deduced that the combination of continuous dynamic recrystallization and geometric dynamic recrystallization mainly govern the formation of a fine-grained structure, however discontinuous dynamic recrystallization may also play a role at high temperature. The global shear deformation during the process was characterized as a simple shear deformation with dominant simple shear texture components. The material flow is mainly driven by the in-plane shear strain and the extrusion-induced shear strain that are determined by die rotational speed and extrusion force, respectively. The in-plane shear strain strongly affects the formation of a homogeneous fine-grained microstructure in the aluminum wire. In this regard, a novel material flow model for friction extrusion has been proposed.
LanguageEnglish
KeywordsFriction extrusion; Dynamic recrystallization; Simple shear texture; Material flow; Aluminum alloy
Year of Publication in PubData2024
Publishing TypeParallel publication
Publication versionPublished Version
Date issued2023-08-30
Creation ContextResearch
Published byMedien- und Informationszentrum, Leuphana Universität Lüneburg
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FieldValue
Resource typeJournal
Title of the resource typeMaterials Characterization
IdentifierDOI: 10.1016/j.matchar.2023.113252
Publication year2023
Volume205
Number113252
Number typeArticle
PublisherElsevier
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