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Open AccessArticle

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

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Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
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Electrical and Electronics Systems Research Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
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Lujan Center, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
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Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
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Computational Sciences and Engineering Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
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Department of Physics, University of Tennessee, Knoxville, TN 37996, USA
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Department of Physics, City University of Hong Kong, Hong Kong, China
*
Author to whom correspondence should be addressed.
Quantum Beam Sci. 2018, 2(3), 17; https://doi.org/10.3390/qubs2030017
Received: 4 May 2018 / Revised: 8 September 2018 / Accepted: 14 September 2018 / Published: 18 September 2018
(This article belongs to the Special Issue Strain, Stress and Texture Analysis with Quantum Beams)
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). View Full-Text
Keywords: neutron diffraction; Al-Mg alloy; cold-rolling texture; recrystallization texture neutron diffraction; Al-Mg alloy; cold-rolling texture; recrystallization texture
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Stoica, G.M.; Dessieux, L.L.; Stoica, A.D.; Vogel, S.C.; Muralidharan, G.; Radhakrishnan, B.; Gorti, S.B.; An, K.; Ma, D.; Wang, X.-L. Distinct Recrystallization Pathways in a Cold-Rolled Al-2%Mg Alloy Evidenced by In-Situ Neutron Diffraction. Quantum Beam Sci. 2018, 2, 17.

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