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Title: Distinct Recrystallization Pathways in a Cold-Rolled Al-2%Mg Alloy Evidenced by In-Situ Neutron Diffraction

Abstract

The time-of-flight neutron diffraction data collected in-situ on Oak Ridge National Laboratory’s (ORNL, Oak Ridge, TN, USA) VULCAN and Los Alamos National Laboratory’s (LANL, Los Alamos, NM, USA) High-Pressure-Preferred-Orientation (HIPPO) diffractometers have been analyzed complementarily to show the texture evolution during annealing of a cold-rolled Al-2%Mg alloy. The texture analysis aimed to identify the components present in the initial rolling (or deformation) texture and in the thermally-activated recrystallization texture, respectively. Using a quasi-Monte-Carlo (QMC) approach, a new method has been developed to simulate the weighted texture components, and to obtain inverse pole figures for both rolling and normal directions. As such, distinct recrystallization pathways during annealing in isochronal conditions, can be revealed in terms of the evolution of the texture components and their respective volume fractions. Moreover, the recrystallization kinetics associated with the cube and random texture components are analyzed quantitatively using a similar approach developed for differential scanning calorimetry (DSC).

Authors:
; ; ; ; ; ; ; ORCiD logo; ;
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1471436
Alternate Identifier(s):
OSTI ID: 1560505
Grant/Contract Number:  
AC05-00OR22725; AC52-06NA25396
Resource Type:
Published Article
Journal Name:
Quantum Beam Science
Additional Journal Information:
Journal Name: Quantum Beam Science Journal Volume: 2 Journal Issue: 3; Journal ID: ISSN 2412-382X
Publisher:
MDPI
Country of Publication:
Switzerland
Language:
English
Subject:
36 MATERIALS SCIENCE; neutron diffraction; Al-Mg alloy; cold-rolling texture; recrystallization texture

Citation Formats

Stoica, Grigoreta, Dessieux, Luc, Stoica, Alexandru, Vogel, Sven, Muralidharan, Govindarajan, Radhakrishnan, Balasubramaniam, Gorti, Sarma, An, Ke, Ma, Dong, and Wang, Xun-Li. Distinct Recrystallization Pathways in a Cold-Rolled Al-2%Mg Alloy Evidenced by In-Situ Neutron Diffraction. Switzerland: N. p., 2018. Web. doi:10.3390/qubs2030017.
Stoica, Grigoreta, Dessieux, Luc, Stoica, Alexandru, Vogel, Sven, Muralidharan, Govindarajan, Radhakrishnan, Balasubramaniam, Gorti, Sarma, An, Ke, Ma, Dong, & Wang, Xun-Li. Distinct Recrystallization Pathways in a Cold-Rolled Al-2%Mg Alloy Evidenced by In-Situ Neutron Diffraction. Switzerland. doi:10.3390/qubs2030017.
Stoica, Grigoreta, Dessieux, Luc, Stoica, Alexandru, Vogel, Sven, Muralidharan, Govindarajan, Radhakrishnan, Balasubramaniam, Gorti, Sarma, An, Ke, Ma, Dong, and Wang, Xun-Li. Tue . "Distinct Recrystallization Pathways in a Cold-Rolled Al-2%Mg Alloy Evidenced by In-Situ Neutron Diffraction". Switzerland. doi:10.3390/qubs2030017.
@article{osti_1471436,
title = {Distinct Recrystallization Pathways in a Cold-Rolled Al-2%Mg Alloy Evidenced by In-Situ Neutron Diffraction},
author = {Stoica, Grigoreta and Dessieux, Luc and Stoica, Alexandru and Vogel, Sven and Muralidharan, Govindarajan and Radhakrishnan, Balasubramaniam and Gorti, Sarma and An, Ke and Ma, Dong and Wang, Xun-Li},
abstractNote = {The time-of-flight neutron diffraction data collected in-situ on Oak Ridge National Laboratory’s (ORNL, Oak Ridge, TN, USA) VULCAN and Los Alamos National Laboratory’s (LANL, Los Alamos, NM, USA) High-Pressure-Preferred-Orientation (HIPPO) diffractometers have been analyzed complementarily to show the texture evolution during annealing of a cold-rolled Al-2%Mg alloy. The texture analysis aimed to identify the components present in the initial rolling (or deformation) texture and in the thermally-activated recrystallization texture, respectively. Using a quasi-Monte-Carlo (QMC) approach, a new method has been developed to simulate the weighted texture components, and to obtain inverse pole figures for both rolling and normal directions. As such, distinct recrystallization pathways during annealing in isochronal conditions, can be revealed in terms of the evolution of the texture components and their respective volume fractions. Moreover, the recrystallization kinetics associated with the cube and random texture components are analyzed quantitatively using a similar approach developed for differential scanning calorimetry (DSC).},
doi = {10.3390/qubs2030017},
journal = {Quantum Beam Science},
number = 3,
volume = 2,
place = {Switzerland},
year = {2018},
month = {9}
}

Journal Article:
Free Publicly Available Full Text
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DOI: 10.3390/qubs2030017

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