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Microstructure and texture evolution during thermomechanical processing of β-quenched Zr

Leo Prakash Orcid Logo, M. Preuss, M. Dahlbäck, J. Quinta da Fonseca

Acta Materialia, Volume: 88, Pages: 389 - 401

Swansea University Author: Leo Prakash Orcid Logo

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DOI (Published version): 10.1016/j.actamat.2014.12.033

Abstract

The microstructure and texture evolution of an α-Zr alloy during thermomechanical processing was investigated, starting from the β-quenched microstructure. The material was rolled at 550 °C to reductions of 10, 20, 40 and 60%, and held at 550 °C for 24 h. EBSD was used to measure the texture at the...

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Published in: Acta Materialia
ISSN: 1359-6454
Published: 2015
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URI: https://cronfa.swan.ac.uk/Record/cronfa21196
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Abstract: The microstructure and texture evolution of an α-Zr alloy during thermomechanical processing was investigated, starting from the β-quenched microstructure. The material was rolled at 550 °C to reductions of 10, 20, 40 and 60%, and held at 550 °C for 24 h. EBSD was used to measure the texture at the different reductions and characterize the microstructural evolution, and crystal plasticity finite element modelling was used as a theoretical framework to help understand the changes in texture observed. Our results show that slip, twinning and recrystallization all play a role in the microstructure development during hot rolling. Their contribution to texture development, lamellae break-up and the ultimate development of a bimodal microstructure are discussed.
Item Description: This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
Keywords: Zirconium, Thermomechanical processing, Microstructure and texture evolution, crystal plasticity
College: Faculty of Science and Engineering
Start Page: 389
End Page: 401

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