Quantitative texture analysis using the NOMAD time-of-flight neutron diffractometer

N. E. Peterson; J. R. Einhorn; C. M. Fancher; J. R. Bunn; E. A. Payzant; S. R. Agnew

doi:10.1107/S1600576721003022

Quantitative texture analysis using the NOMAD time-of-flight neutron diffractometer

N. E. Peterson, J. R. Einhorn, C. M. Fancher, J. R. Bunn, E. A. Payzant, S. R. Agnew

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

4 Scopus citations

Abstract

Strategies for efficient and reliable texture measurements have been explored using the Nanoscale Ordered Materials Diffractometer (NOMAD) at the Spallation Neutron Source located at Oak Ridge National Laboratory (ORNL). To test these strategies, the texture of an Al alloy was also investigated using another neutron diffraction instrument, a constant-wavelength neutron diffractometer (NRSF2) located at the High Flux Isotope Reactor, also at ORNL. Reasonable agreement was found across the two experimental methods, but differences in overall texture strength and the symmetry of some components were noted, depending on the data reduction and analysis method selected. On the basis of these results, potential improvements are identified which would enhance the texture measurement capability on NOMAD.

Original language	English
Pages (from-to)	867-877
Number of pages	11
Journal	Journal of Applied Crystallography
Volume	54
DOIs	https://doi.org/10.1107/S1600576721003022
State	Published - Jun 1 2021

Funding

NEP and JRE thank ORNL for their support of this research through the GO!Program. SRA thanks the University of Virginia for its generous institutional support of his research programs. This research used resources at the High Flux Isotope Reactor and Spallation Neutron Source, DOE Office of Science User Facilities operated by Oak Ridge National Laboratory.

Funders	Funder number
Oak Ridge National Laboratory
University of Virginia

Keywords

neutron diffraction
pole figure coverage
texture analysis

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10.1107/S1600576721003022

Cite this

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abstract = "Strategies for efficient and reliable texture measurements have been explored using the Nanoscale Ordered Materials Diffractometer (NOMAD) at the Spallation Neutron Source located at Oak Ridge National Laboratory (ORNL). To test these strategies, the texture of an Al alloy was also investigated using another neutron diffraction instrument, a constant-wavelength neutron diffractometer (NRSF2) located at the High Flux Isotope Reactor, also at ORNL. Reasonable agreement was found across the two experimental methods, but differences in overall texture strength and the symmetry of some components were noted, depending on the data reduction and analysis method selected. On the basis of these results, potential improvements are identified which would enhance the texture measurement capability on NOMAD.",

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AU - Peterson, N. E.

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AU - Fancher, C. M.

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AU - Payzant, E. A.

AU - Agnew, S. R.

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AB - Strategies for efficient and reliable texture measurements have been explored using the Nanoscale Ordered Materials Diffractometer (NOMAD) at the Spallation Neutron Source located at Oak Ridge National Laboratory (ORNL). To test these strategies, the texture of an Al alloy was also investigated using another neutron diffraction instrument, a constant-wavelength neutron diffractometer (NRSF2) located at the High Flux Isotope Reactor, also at ORNL. Reasonable agreement was found across the two experimental methods, but differences in overall texture strength and the symmetry of some components were noted, depending on the data reduction and analysis method selected. On the basis of these results, potential improvements are identified which would enhance the texture measurement capability on NOMAD.

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Quantitative texture analysis using the NOMAD time-of-flight neutron diffractometer

Abstract

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Keywords

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