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https://doi.org/10.48548/pubdata-144
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| Field | Value |
|---|---|
| Resource type | Conference Paper |
| Title(s) | Friction extrusion processing of aluminum powders: Microstructure homogeneity and mechanical properties |
| DOI | 10.48548/pubdata-144 |
| Handle | 20.500.14123/163 |
| Creator | Chan, Chang Yin-Cheng  0000-0002-9684-4720 (Helmholtz-Zentrum Hereon  03qjp1d79)Rath, Lars 0000-0002-7497-5201 (Helmholtz-Zentrum Hereon 03qjp1d79)Suhuddin, Uceu 0000-0002-4000-4036 (Helmholtz-Zentrum Hereon 03qjp1d79)Klusemann, Benjamin 0000-0002-8516-5087  142865192 (Institut für Produktionstechnik und -systeme (IPTS), Leuphana Universität Lüneburg 02w2y2t16) |
| Abstract | Friction extrusion (FE) is a solid-state process categorized as an energy-efficient process, utilizing the intrinsic friction-induced heat to plasticize and manufacture fully consolidated extrudate from various feedstocks, i.e. solid billet, chips and powder. Friction in the relative motion between the feedstock and the non-consumable die generates heat as well as imposes severe plastic deformation; this combination enables dynamic recrystallization and refinement of the microstructure. This study demonstrates the feasibility of directly extruding aluminum alloy powder into fully consolidated wire in a single step process. The extrudate is free of noticeable defects and shows predominantly homogeneous microstructure along the cross-section of the wire. The powder evolution upon passing through the die orifice was investigated in terms of morphology and microstructure. Additionally, the mechanical properties of the extrudate, i.e. microhardness and ultimate tensile strength, were compared to solid billets of AA7075 in different temper states and shows adequate mechanical properties without possible post-heat treatments. |
| Language | English |
| Keywords | Friction Extrusion; Solid-State Processing; Aluminum; Powder Consolidation |
| DDC | 620 :: Ingenieurwissenschaften und zugeordnete Tätigkeiten |
| Year of publication in PubData | 2024 |
| Publishing type | Parallel publication |
| Publication version | Published version |
| Date issued | 2023-04-19 |
| Creation context | Research |
| Faculty / department | Fakultät Management und Technologie |
| Funded by | European Research Council |
| Funder-ID | Type: ROR Value: 0472cxd90 |
| Associated Project | MA.D.AM |
| Grant number / Project ID | 101001567 |
| Date of Availability | 2024-01-25T08:34:17Z |
| Archiving Facility | Medien- und Informationszentrum (Leuphana Universität Lüneburg 02w2y2t16) |
| Published by | Medien- und Informationszentrum, Leuphana Universität Lüneburg |
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|---|---|---|---|---|
chan_2023_friction_extrusion_processing_of_aluminum_powders.pdf License: 
open-access | 1.6 MB | Adobe PDF | View/Open |
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