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Effect of equal-channel angular pressing on the mechanical behavior of a Bi-Sn eutectic alloy

Effect of equal-channel angular pressing on the mechanical behavior of a Bi-Sn eutectic alloy
Effect of equal-channel angular pressing on the mechanical behavior of a Bi-Sn eutectic alloy
Equal-channel angular pressing (ECAP) was utilized to process a Bi‒42Sn eutectic alloy at room temperature using processing route A for 1, 2, 4, and 8 passes. Tensile testing was performed at room temperature under initial strain rates in the range of 1.0 × 10-5 to 1.0 ×10-2 s-1. The results demonstrate that processing by ECAP improves the ductility in this material and the elongations to failure increased with decreasing strain rate in all samples. The largest elongation to failure, ~1300%, was recorded in the sample processed by ECAP for 8 passes at an initial strain rate of 1.0 × 10-5 s-1. This elongation is much improved by comparison with the as-cast Bi‒42Sn alloy.
1757-899X
1-6
Naghdi, Fariba
a04bcf7e-209f-4e03-8a28-a68512903cd3
Figueiredo, Roberto B.
2e0060b8-6368-4d87-825a-c3cb90e92145
Langdon, Terence G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86
Naghdi, Fariba
a04bcf7e-209f-4e03-8a28-a68512903cd3
Figueiredo, Roberto B.
2e0060b8-6368-4d87-825a-c3cb90e92145
Langdon, Terence G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86

Naghdi, Fariba, Figueiredo, Roberto B. and Langdon, Terence G. (2017) Effect of equal-channel angular pressing on the mechanical behavior of a Bi-Sn eutectic alloy. IOP Conference Series: Materials Science and Engineering, 194, 1-6, [012042]. (doi:10.1088/1757-899X/194/1/012042).

Record type: Article

Abstract

Equal-channel angular pressing (ECAP) was utilized to process a Bi‒42Sn eutectic alloy at room temperature using processing route A for 1, 2, 4, and 8 passes. Tensile testing was performed at room temperature under initial strain rates in the range of 1.0 × 10-5 to 1.0 ×10-2 s-1. The results demonstrate that processing by ECAP improves the ductility in this material and the elongations to failure increased with decreasing strain rate in all samples. The largest elongation to failure, ~1300%, was recorded in the sample processed by ECAP for 8 passes at an initial strain rate of 1.0 × 10-5 s-1. This elongation is much improved by comparison with the as-cast Bi‒42Sn alloy.

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Fariba Naghdi-NanoSPD7-Full Paper - Accepted Manuscript
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More information

Accepted/In Press date: 12 April 2017
e-pub ahead of print date: 8 May 2017
Published date: 2017
Organisations: Engineering Mats & Surface Engineerg Gp

Identifiers

Local EPrints ID: 407849
URI: http://eprints.soton.ac.uk/id/eprint/407849
ISSN: 1757-899X
PURE UUID: 21d3ddc2-6a04-46f9-a982-27adf642f8a8
ORCID for Terence G. Langdon: ORCID iD orcid.org/0000-0003-3541-9250

Catalogue record

Date deposited: 27 Apr 2017 01:05
Last modified: 26 Nov 2021 06:41

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Contributors

Author: Fariba Naghdi
Author: Roberto B. Figueiredo

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