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The effect of loading direction and Sn alloying on the deformation modes of Zr: An in-situ neutron diffraction study

K.V. Mani Krishna, Leo Prakash Orcid Logo, Gábor Timár, Arnas Fitzner, D. Srivastava, N. Saibaba, J. Quinta da Fonseca, G.K. Dey, M. Preuss

Materials Science and Engineering: A, Volume: 650, Pages: 497 - 509

Swansea University Author: Leo Prakash Orcid Logo

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DOI (Published version): 10.1016/j.msea.2015.10.047

Abstract

Deformation modes (slip and twining) in a strongly textured model hcp alloy system (Zr–Sn) have been investigated using in-situ neutron diffraction and deformation along with complementary electron microscopy. Analysis of the evolution of the intergranular strain evolutions and intensity of specific...

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Published in: Materials Science and Engineering: A
ISSN: 0921-5093
Published: 2016
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URI: https://cronfa.swan.ac.uk/Record/cronfa24309
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spelling 2020-10-29T11:03:12.6590678 v2 24309 2015-11-11 The effect of loading direction and Sn alloying on the deformation modes of Zr: An in-situ neutron diffraction study bd72868c48af6c0b04bf9f6bb48ce324 0000-0002-8812-8927 Leo Prakash Leo Prakash true false 2015-11-11 MTLS Deformation modes (slip and twining) in a strongly textured model hcp alloy system (Zr–Sn) have been investigated using in-situ neutron diffraction and deformation along with complementary electron microscopy. Analysis of the evolution of the intergranular strain evolutions and intensity of specific reflections from neutron diffraction show differential influence of Sn on the extent of twinning too, depending on the deformation direction. While Sn displayed very noticeable influence on twin activity when samples were compressed along a direction that predominantly activates prismatic slip, this effect was not seen when samples were compressed along other different directions. These experimental observations were successfully simulated using a CPFE (crystal plasticity finite element) model that incorporates composition sensitive CRSS (critical resolved shear stress) for slip and composition insensitive CRSS activation of twinning. The success of the CPFE model in capturing the experimental observations with respect to twin evolution suggests that the twinning in Zr is chiefly governed by the initial crystallographic texture and the associated intergranular stress state generated during plastic deformation. Journal Article Materials Science and Engineering: A 650 497 509 0921-5093 Neutron scattering; Plasticity; Twinning zirconium 5 1 2016 2016-01-05 10.1016/j.msea.2015.10.047 COLLEGE NANME Materials Science and Engineering COLLEGE CODE MTLS Swansea University 2020-10-29T11:03:12.6590678 2015-11-11T14:45:14.3173821 Faculty of Science and Engineering School of Engineering and Applied Sciences - Materials Science and Engineering K.V. Mani Krishna 1 Leo Prakash 0000-0002-8812-8927 2 Gábor Timár 3 Arnas Fitzner 4 D. Srivastava 5 N. Saibaba 6 J. Quinta da Fonseca 7 G.K. Dey 8 M. Preuss 9 0024309-21072016112139.pdf ManiKrishna2016.pdf 2016-07-21T11:21:39.4030000 Output 6790109 application/pdf Version of Record true Released under the terms of a Creative Commons Attribution License (CC-BY). true eng http://creativecommons.org/licenses/by/4.0/
title The effect of loading direction and Sn alloying on the deformation modes of Zr: An in-situ neutron diffraction study
spellingShingle The effect of loading direction and Sn alloying on the deformation modes of Zr: An in-situ neutron diffraction study
Leo Prakash
title_short The effect of loading direction and Sn alloying on the deformation modes of Zr: An in-situ neutron diffraction study
title_full The effect of loading direction and Sn alloying on the deformation modes of Zr: An in-situ neutron diffraction study
title_fullStr The effect of loading direction and Sn alloying on the deformation modes of Zr: An in-situ neutron diffraction study
title_full_unstemmed The effect of loading direction and Sn alloying on the deformation modes of Zr: An in-situ neutron diffraction study
title_sort The effect of loading direction and Sn alloying on the deformation modes of Zr: An in-situ neutron diffraction study
author_id_str_mv bd72868c48af6c0b04bf9f6bb48ce324
author_id_fullname_str_mv bd72868c48af6c0b04bf9f6bb48ce324_***_Leo Prakash
author Leo Prakash
author2 K.V. Mani Krishna
Leo Prakash
Gábor Timár
Arnas Fitzner
D. Srivastava
N. Saibaba
J. Quinta da Fonseca
G.K. Dey
M. Preuss
format Journal article
container_title Materials Science and Engineering: A
container_volume 650
container_start_page 497
publishDate 2016
institution Swansea University
issn 0921-5093
doi_str_mv 10.1016/j.msea.2015.10.047
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Materials Science and Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Materials Science and Engineering
document_store_str 1
active_str 0
description Deformation modes (slip and twining) in a strongly textured model hcp alloy system (Zr–Sn) have been investigated using in-situ neutron diffraction and deformation along with complementary electron microscopy. Analysis of the evolution of the intergranular strain evolutions and intensity of specific reflections from neutron diffraction show differential influence of Sn on the extent of twinning too, depending on the deformation direction. While Sn displayed very noticeable influence on twin activity when samples were compressed along a direction that predominantly activates prismatic slip, this effect was not seen when samples were compressed along other different directions. These experimental observations were successfully simulated using a CPFE (crystal plasticity finite element) model that incorporates composition sensitive CRSS (critical resolved shear stress) for slip and composition insensitive CRSS activation of twinning. The success of the CPFE model in capturing the experimental observations with respect to twin evolution suggests that the twinning in Zr is chiefly governed by the initial crystallographic texture and the associated intergranular stress state generated during plastic deformation.
published_date 2016-01-05T03:28:48Z
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score 11.037056

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