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The evolution of delta-phase in a superplastic Inconel 718 alloy

The evolution of delta-phase in a superplastic Inconel 718 alloy
The evolution of delta-phase in a superplastic Inconel 718 alloy
An Inconel 718 sheet alloy was tested in tension at a temperature of 965°C and an initial strain rate of 10?4 s?1 corresponding to the conditions for optimum superplastic deformation. Detailed observations and quantitative measurements record the evolution of the ?-phase during tensile deformation. The experiments show that the total precipitation of the ?-phase increases with strain but there is a decrease with strain in the number density of the needle/plate ?-phase particles and a corresponding increase with strain in the number density of the blocky/globular ?-phase particles.
0022-2461
421-427
Huang, Yi
9f4df815-51c1-4ee8-ad63-a92bf997103e
Langdon, Terence G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86
Huang, Yi
9f4df815-51c1-4ee8-ad63-a92bf997103e
Langdon, Terence G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86

Huang, Yi and Langdon, Terence G. (2007) The evolution of delta-phase in a superplastic Inconel 718 alloy. Journal of Materials Science, 42 (2), 421-427. (doi:10.1007/s10853-006-0483-z).

Record type: Article

Abstract

An Inconel 718 sheet alloy was tested in tension at a temperature of 965°C and an initial strain rate of 10?4 s?1 corresponding to the conditions for optimum superplastic deformation. Detailed observations and quantitative measurements record the evolution of the ?-phase during tensile deformation. The experiments show that the total precipitation of the ?-phase increases with strain but there is a decrease with strain in the number density of the needle/plate ?-phase particles and a corresponding increase with strain in the number density of the blocky/globular ?-phase particles.

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More information

Published date: January 2007
Organisations: Engineering Mats & Surface Engineerg Gp

Identifiers

Local EPrints ID: 48868
URI: http://eprints.soton.ac.uk/id/eprint/48868
DOI: doi:10.1007/s10853-006-0483-z
ISSN: 0022-2461
PURE UUID: 5c9e6668-19b1-4a35-a439-72ca9e66c2ed
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

Catalogue record

Date deposited: 16 Oct 2007
Last modified: 16 Mar 2024 04:07

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Author: Yi Huang ORCID iD
Author: Terence G. Langdon ORCID iD

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