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Effect of different initial lamellar plate thicknesses on grain refinement and superplastic behaviour in HPT-processed Ti-6Al-4V alloy

Effect of different initial lamellar plate thicknesses on grain refinement and superplastic behaviour in HPT-processed Ti-6Al-4V alloy
Effect of different initial lamellar plate thicknesses on grain refinement and superplastic behaviour in HPT-processed Ti-6Al-4V alloy
Ti-6Al-4V alloy was heated to above the β phase transformation temperature with two different cooling speeds: air cooling and furnace cooling, in order to generate a full thin lamellar structure and a fully coarse lamellar structure, respectively. Then the alloy in two heat-treated conditions was processed at room temperature up to 10 turns by high-pressure torsion (HPT) processing. Investigations were carried out to study the effect of the different initial lamellar plate thicknesses on the microstructure development during HPT processing, and the corresponding superplastic behaviour at the selected low testing temperatures of 773 - 923 K.
1012-0386
182-188
Huang, Yi
9f4df815-51c1-4ee8-ad63-a92bf997103e
Muzy, Jessica
a79575ba-07ae-4879-a38b-eb1982deb889
Bazarnik, Piotr
7612d50d-0cfc-43b1-a48f-f5062caacc1e
Lewandowska, Malgorzata
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Langdon, Terence G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86
Huang, Yi
9f4df815-51c1-4ee8-ad63-a92bf997103e
Muzy, Jessica
a79575ba-07ae-4879-a38b-eb1982deb889
Bazarnik, Piotr
7612d50d-0cfc-43b1-a48f-f5062caacc1e
Lewandowska, Malgorzata
c574d02d-d34d-4164-8ed1-90c3d77584d2
Langdon, Terence G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86

Huang, Yi, Muzy, Jessica, Bazarnik, Piotr, Lewandowska, Malgorzata and Langdon, Terence G. (2018) Effect of different initial lamellar plate thicknesses on grain refinement and superplastic behaviour in HPT-processed Ti-6Al-4V alloy. Defect and Diffusion Forum, 385, 182-188. (doi:10.4028/www.scientific.net/DDF.385.182).

Record type: Article

Abstract

Ti-6Al-4V alloy was heated to above the β phase transformation temperature with two different cooling speeds: air cooling and furnace cooling, in order to generate a full thin lamellar structure and a fully coarse lamellar structure, respectively. Then the alloy in two heat-treated conditions was processed at room temperature up to 10 turns by high-pressure torsion (HPT) processing. Investigations were carried out to study the effect of the different initial lamellar plate thicknesses on the microstructure development during HPT processing, and the corresponding superplastic behaviour at the selected low testing temperatures of 773 - 923 K.

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Accepted/In Press date: 24 May 2018
e-pub ahead of print date: 20 July 2018

Identifiers

Local EPrints ID: 422814
URI: http://eprints.soton.ac.uk/id/eprint/422814
ISSN: 1012-0386
PURE UUID: e7bd73db-695b-4fd0-a81d-12cf026171e6
ORCID for Yi Huang: ORCID iD orcid.org/0000-0001-9259-8123
ORCID for Terence G. Langdon: ORCID iD orcid.org/0000-0003-3541-9250

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Date deposited: 06 Aug 2018 16:30
Last modified: 16 Mar 2024 04:08

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Contributors

Author: Yi Huang ORCID iD
Author: Jessica Muzy
Author: Piotr Bazarnik
Author: Malgorzata Lewandowska

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