A succinct method to recycle WE43 Mg alloys—from wasted chips to consolidated billets
A succinct method to recycle WE43 Mg alloys—from wasted chips to consolidated billets
Spark plasma sinteringSpark Plasma Sintering(SPS) and friction stir processingFriction Stir Processing (FSP) (FSP) were used to recycle waste WE43 Mg alloyMagnesium alloys (Mg alloys) turning them into consolidated billets. Billets were firstly produced from machining chips using SPS. Metallurgical bonding between chips was achieved during the process, yet large second phase network and pores were observed. Then FSPFriction Stir Processing (FSP) was further applied to refine microstructuresMicrostructure and remove pores confirmed by using electron backscattered diffractionElectron Backscatter Diffraction (EBSD) (EBSD) and 3D X-ray computed tomography (3D XCT). Most of the large second phases were refined to 100 nm. The average grain size was reduced from around 30 μm to around 1–3 μm. The hardness of FSPed material reached HV0.2 = 83.5, which is comparable against commercial extruded bar (T5, HV0.2 = 90.2).
Friction stir processing, Mg alloys, Recycling, Spark plasma sintering
151-153
Zhao, Xingjian
58a8bb85-92c9-4e89-b4af-43d57fbe865f
Xie, Yanheng
5177e927-4702-4ad4-bd85-f833ae6abc51
Gandra, Joao
a375aea8-5ce3-4f34-8685-f0e1f8e9863a
Murphy, Matthew
8f0bb064-21ab-41a4-aef0-2acd39965af4
Rainforth, William M.
7226983c-4ca1-4f0a-8191-02e3424dc98f
Guan, Dikai
d20c4acc-342a-43fa-a204-7283f0cc33bf
3 February 2024
Zhao, Xingjian
58a8bb85-92c9-4e89-b4af-43d57fbe865f
Xie, Yanheng
5177e927-4702-4ad4-bd85-f833ae6abc51
Gandra, Joao
a375aea8-5ce3-4f34-8685-f0e1f8e9863a
Murphy, Matthew
8f0bb064-21ab-41a4-aef0-2acd39965af4
Rainforth, William M.
7226983c-4ca1-4f0a-8191-02e3424dc98f
Guan, Dikai
d20c4acc-342a-43fa-a204-7283f0cc33bf
Zhao, Xingjian, Xie, Yanheng, Gandra, Joao, Murphy, Matthew, Rainforth, William M. and Guan, Dikai
(2024)
A succinct method to recycle WE43 Mg alloys—from wasted chips to consolidated billets.
Leonard, Aeriel, Barela, Steven, Neelameggham, Neale R., Miller, Victoria M. and Tolnai, Domonkos
(eds.)
In Magnesium Technology 2024.
Springer Cham.
.
(doi:10.1007/978-3-031-50240-8_29).
Record type:
Conference or Workshop Item
(Paper)
Abstract
Spark plasma sinteringSpark Plasma Sintering(SPS) and friction stir processingFriction Stir Processing (FSP) (FSP) were used to recycle waste WE43 Mg alloyMagnesium alloys (Mg alloys) turning them into consolidated billets. Billets were firstly produced from machining chips using SPS. Metallurgical bonding between chips was achieved during the process, yet large second phase network and pores were observed. Then FSPFriction Stir Processing (FSP) was further applied to refine microstructuresMicrostructure and remove pores confirmed by using electron backscattered diffractionElectron Backscatter Diffraction (EBSD) (EBSD) and 3D X-ray computed tomography (3D XCT). Most of the large second phases were refined to 100 nm. The average grain size was reduced from around 30 μm to around 1–3 μm. The hardness of FSPed material reached HV0.2 = 83.5, which is comparable against commercial extruded bar (T5, HV0.2 = 90.2).
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Published date: 3 February 2024
Venue - Dates:
Magnesium Technology Symposium held at the TMS Annual Meeting and Exhibition, 2024, , Orlando, United States, 2024-03-03 - 2024-03-07
Keywords:
Friction stir processing, Mg alloys, Recycling, Spark plasma sintering
Identifiers
Local EPrints ID: 497890
URI: http://eprints.soton.ac.uk/id/eprint/497890
ISSN: 2367-1181
PURE UUID: 70ded017-d422-4703-80c0-eaee5efc657e
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Date deposited: 04 Feb 2025 17:37
Last modified: 18 Sep 2025 02:08
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Contributors
Author:
Xingjian Zhao
Author:
Yanheng Xie
Author:
Joao Gandra
Author:
Matthew Murphy
Author:
William M. Rainforth
Author:
Dikai Guan
Editor:
Aeriel Leonard
Editor:
Steven Barela
Editor:
Neale R. Neelameggham
Editor:
Victoria M. Miller
Editor:
Domonkos Tolnai
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