Neutron transmission simulation of texture in polycrystalline materials

L. L. Dessieux; A. D. Stoica; P. R. Bingham; Ke An; M. J. Frost; H. Z. Bilheux

doi:10.1016/j.nimb.2019.09.010

Neutron transmission simulation of texture in polycrystalline materials

L. L. Dessieux, A. D. Stoica, P. R. Bingham, Ke An, M. J. Frost, H. Z. Bilheux

Research output: Contribution to journal › Article › peer-review

13 Scopus citations

Abstract

The application Sinpol, a novel tool for neutron transmission data analysis, is used to simulate the effect of deformation and recrystallization crystallographic textures in fcc materials. The texture is characterized using an orientation distribution function (ODF), which describes the distribution of crystal orientations over the three-dimensional orientation space. The Sinpol code combines the transmission contribution of each single crystal grain in the ODF to generate neutron transmission patterns through a polycrystalline aggregate. A series of texture components, commonly found in fcc materials, are considered and their neutron transmission calculated for further analysis of experimental data. The effect of grain statistics is investigated and the simulation results on more complex ODF textures are also presented. Finally, the neutron transmission simulations are successfully benchmarked on experimental data recorded on an additive manufactured Inconel 718 specimen.

Original language	English
Pages (from-to)	166-178
Number of pages	13
Journal	Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume	459
DOIs	https://doi.org/10.1016/j.nimb.2019.09.010
State	Published - Nov 15 2019

Funding

Research supported by the Geothermal Technologies Office, Office of Energy Efficiency and Renewable Energy, U.S. Department of Energy under contract DEAC05-00OR22725, Oak Ridge National Laboratory, managed and operated by UT-Battelle, LLC. The neutron transmission measurements were performed at the Spallation Neutron Source, a DOE Office of Science User Facility operated by the Oak Ridge National Laboratory. A.D.S. thanks the support from Laboratory Directed Research & Development project (LDRD-7886) at ORNL. Research supported by the Geothermal Technologies Office, Office of Energy Efficiency and Renewable Energy, U.S. Department of Energy under contract DEAC05-00OR22725 , Oak Ridge National Laboratory, managed and operated by UT-Battelle, LLC. The neutron transmission measurements were performed at the Spallation Neutron Source, a DOE Office of Science User Facility operated by the Oak Ridge National Laboratory. A.D.S. thanks the support from Laboratory Directed Research & Development project ( LDRD-7886 ) at ORNL.

Funders	Funder number
U.S. Department of Energy	DEAC05-00OR22725
Office of Science
Office of Energy Efficiency and Renewable Energy
Oak Ridge National Laboratory
Laboratory Directed Research and Development	LDRD-7886
Geothermal Technologies Office

Keywords

Bragg-edge
Neutron transmission
Orientation distribution function
Single crystal
Texture

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10.1016/j.nimb.2019.09.010

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title = "Neutron transmission simulation of texture in polycrystalline materials",

abstract = "The application Sinpol, a novel tool for neutron transmission data analysis, is used to simulate the effect of deformation and recrystallization crystallographic textures in fcc materials. The texture is characterized using an orientation distribution function (ODF), which describes the distribution of crystal orientations over the three-dimensional orientation space. The Sinpol code combines the transmission contribution of each single crystal grain in the ODF to generate neutron transmission patterns through a polycrystalline aggregate. A series of texture components, commonly found in fcc materials, are considered and their neutron transmission calculated for further analysis of experimental data. The effect of grain statistics is investigated and the simulation results on more complex ODF textures are also presented. Finally, the neutron transmission simulations are successfully benchmarked on experimental data recorded on an additive manufactured Inconel 718 specimen.",

keywords = "Bragg-edge, Neutron transmission, Orientation distribution function, Single crystal, Texture",

author = "Dessieux, {L. L.} and Stoica, {A. D.} and Bingham, {P. R.} and Ke An and Frost, {M. J.} and Bilheux, {H. Z.}",

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T1 - Neutron transmission simulation of texture in polycrystalline materials

AU - Dessieux, L. L.

AU - Stoica, A. D.

AU - Bingham, P. R.

AU - An, Ke

AU - Frost, M. J.

AU - Bilheux, H. Z.

PY - 2019/11/15

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N2 - The application Sinpol, a novel tool for neutron transmission data analysis, is used to simulate the effect of deformation and recrystallization crystallographic textures in fcc materials. The texture is characterized using an orientation distribution function (ODF), which describes the distribution of crystal orientations over the three-dimensional orientation space. The Sinpol code combines the transmission contribution of each single crystal grain in the ODF to generate neutron transmission patterns through a polycrystalline aggregate. A series of texture components, commonly found in fcc materials, are considered and their neutron transmission calculated for further analysis of experimental data. The effect of grain statistics is investigated and the simulation results on more complex ODF textures are also presented. Finally, the neutron transmission simulations are successfully benchmarked on experimental data recorded on an additive manufactured Inconel 718 specimen.

AB - The application Sinpol, a novel tool for neutron transmission data analysis, is used to simulate the effect of deformation and recrystallization crystallographic textures in fcc materials. The texture is characterized using an orientation distribution function (ODF), which describes the distribution of crystal orientations over the three-dimensional orientation space. The Sinpol code combines the transmission contribution of each single crystal grain in the ODF to generate neutron transmission patterns through a polycrystalline aggregate. A series of texture components, commonly found in fcc materials, are considered and their neutron transmission calculated for further analysis of experimental data. The effect of grain statistics is investigated and the simulation results on more complex ODF textures are also presented. Finally, the neutron transmission simulations are successfully benchmarked on experimental data recorded on an additive manufactured Inconel 718 specimen.

KW - Bragg-edge

KW - Neutron transmission

KW - Orientation distribution function

KW - Single crystal

KW - Texture

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Neutron transmission simulation of texture in polycrystalline materials

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