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Data on the effect of high-pressure torsion processing on secondary cast Al–10%Si– Cu piston alloy: Methods, microstructure and mechanical characterizations

Data on the effect of high-pressure torsion processing on secondary cast Al–10%Si– Cu piston alloy: Methods, microstructure and mechanical characterizations
Data on the effect of high-pressure torsion processing on secondary cast Al–10%Si– Cu piston alloy: Methods, microstructure and mechanical characterizations

The dataset presented here shows the microstructure and mechanical properties of secondary (recycled) cast aluminum-silicon (Al–Si) piston alloys processed through severe plastic deformation technique, known as high-pressure torsion (HPT). The HPT processing was undertaken for 1/4, 1/2, 1 and 10 turns of the lower anvil (rotating at constant speed of 1rpm) while the upper anvil maintained at a normal pressure of 3.0 GPa. The data on microstructural evolution obtained at the central region and edge of the circular (disk) HPT sample were obtained using optical and scanning electron microscopy and these data are presented here. The data on the analysis of the particle shape, sizes and distribution from the micrographs using ImageJ software are also presented. Data on mechanical properties characterized using Vickers microhardness measurement across the surface of HPT sample are also shown. Pictures depicting the microhardness measurement scheme, high-pressure torsion facility and sample nomenclature are presented.

Aluminum alloys, Grain refinement, High-pressure torsion (HPT), Microhardness, Severe plastic deformation (SPD)
2352-3409
1-14
Mwema, F. M.
6f3a0349-1d39-43ce-84b8-47b90df931b5
Mbuya, T. O.
e8fd6a99-5472-4af3-8394-8dafe9e14f24
Akinlabi, E. T.
4945587e-649a-4476-bf3a-d2b7da318691
Reed, P. A.S.
8b79d87f-3288-4167-bcfc-c1de4b93ce17
Obiko, J. O.
344162a9-92e0-48b2-8d9e-22af8e6843b7
Mwema, F. M.
6f3a0349-1d39-43ce-84b8-47b90df931b5
Mbuya, T. O.
e8fd6a99-5472-4af3-8394-8dafe9e14f24
Akinlabi, E. T.
4945587e-649a-4476-bf3a-d2b7da318691
Reed, P. A.S.
8b79d87f-3288-4167-bcfc-c1de4b93ce17
Obiko, J. O.
344162a9-92e0-48b2-8d9e-22af8e6843b7

Mwema, F. M., Mbuya, T. O., Akinlabi, E. T., Reed, P. A.S. and Obiko, J. O. (2019) Data on the effect of high-pressure torsion processing on secondary cast Al–10%Si– Cu piston alloy: Methods, microstructure and mechanical characterizations. Data in Brief, 25, 1-14, [104160]. (doi:10.1016/j.dib.2019.104160).

Record type: Article

Abstract

The dataset presented here shows the microstructure and mechanical properties of secondary (recycled) cast aluminum-silicon (Al–Si) piston alloys processed through severe plastic deformation technique, known as high-pressure torsion (HPT). The HPT processing was undertaken for 1/4, 1/2, 1 and 10 turns of the lower anvil (rotating at constant speed of 1rpm) while the upper anvil maintained at a normal pressure of 3.0 GPa. The data on microstructural evolution obtained at the central region and edge of the circular (disk) HPT sample were obtained using optical and scanning electron microscopy and these data are presented here. The data on the analysis of the particle shape, sizes and distribution from the micrographs using ImageJ software are also presented. Data on mechanical properties characterized using Vickers microhardness measurement across the surface of HPT sample are also shown. Pictures depicting the microhardness measurement scheme, high-pressure torsion facility and sample nomenclature are presented.

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Accepted/In Press date: 13 June 2019
e-pub ahead of print date: 3 July 2019
Keywords: Aluminum alloys, Grain refinement, High-pressure torsion (HPT), Microhardness, Severe plastic deformation (SPD)

Identifiers

Local EPrints ID: 433417
URI: http://eprints.soton.ac.uk/id/eprint/433417
ISSN: 2352-3409
PURE UUID: 9eab3071-b847-495d-b050-ffce80aff586
ORCID for P. A.S. Reed: ORCID iD orcid.org/0000-0002-2258-0347

Catalogue record

Date deposited: 21 Aug 2019 16:30
Last modified: 07 Oct 2020 01:37

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