Upgrade of Bragg Edge Analysis Techniques of the RITS Code for Crystalline Structural Information Imaging

Sato, Hirotaka; Shinohara, T.; Kiyanagi, Ryoji; Aizawa, Katsuo; Ooi, Motoki; Harada, Masahide; Oikawa, Kenichi; Maekawa, Fujio; Iwase, Kenji; Kamiyama, Takashi; Kiyanagi, Yoshiaki

doi:10.1016/j.phpro.2013.03.022

Cited by 39 publications

(36 citation statements)

References 15 publications

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“…• Whole spectrum fitting function for analysing various crystalline microstructural information [1,5,6]. …”

Section: Profile Calculation Model For Bragg-edge Transmission Spectrmentioning

confidence: 99%

“…• Accurate (corrected) calculation models considering strain, texture and extinction effects [1,5,6]. …”

Section: Profile Calculation Model For Bragg-edge Transmission Spectrmentioning

confidence: 99%

“…• Automatic calculation function for multiple elements, multiple crystalline phases and 230 crystal structure space groups [5].…”

Section: Profile Calculation Model For Bragg-edge Transmission Spectrmentioning

confidence: 99%

“…[1][2][3][4][5][6][7][8][9]. RITS is based on the idea of the Rietveld analysis method [10] for X-ray/neutron powder diffractometry.…”

Section: Profile Calculation Model For Bragg-edge Transmission Spectrmentioning

confidence: 99%

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Deriving Quantitative Crystallographic Information from the Wavelength-Resolved Neutron Transmission Analysis Performed in Imaging Mode

Sato

2017

J. Imaging

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Current status of Bragg-edge/dip neutron transmission analysis/imaging methods is presented. The method can visualize real-space distributions of bulk crystallographic information in a crystalline material over a large area (~10 cm) with high spatial resolution (~100 µm). Furthermore, by using suitable spectrum analysis methods for wavelength-dependent neutron transmission data, quantitative visualization of the crystallographic information can be achieved. For example, crystallographic texture imaging, crystallite size imaging and crystalline phase imaging with texture/extinction corrections are carried out by the Rietveld-type (wide wavelength bandwidth) profile fitting analysis code, RITS (Rietveld Imaging of Transmission Spectra). By using the single Bragg-edge analysis mode of RITS, evaluations of crystal lattice plane spacing (d-spacing) relating to macro-strain and d-spacing distribution's FWHM (full width at half maximum) relating to micro-strain can be achieved. Macro-strain tomography is performed by a new conceptual CT (computed tomography) image reconstruction algorithm, the tensor CT method. Crystalline grains and their orientations are visualized by a fast determination method of grain orientation for Bragg-dip neutron transmission spectrum. In this paper, these imaging examples with the spectrum analysis methods and the reliabilities evaluated by optical/electron microscope and X-ray/neutron diffraction, are presented. In addition, the status at compact accelerator driven pulsed neutron sources is also presented.

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“…• Whole spectrum fitting function for analysing various crystalline microstructural information [1,5,6]. …”

Section: Profile Calculation Model For Bragg-edge Transmission Spectrmentioning

confidence: 99%

“…• Accurate (corrected) calculation models considering strain, texture and extinction effects [1,5,6]. …”

Section: Profile Calculation Model For Bragg-edge Transmission Spectrmentioning

confidence: 99%

“…• Automatic calculation function for multiple elements, multiple crystalline phases and 230 crystal structure space groups [5].…”

Section: Profile Calculation Model For Bragg-edge Transmission Spectrmentioning

confidence: 99%

“…[1][2][3][4][5][6][7][8][9]. RITS is based on the idea of the Rietveld analysis method [10] for X-ray/neutron powder diffractometry.…”

Section: Profile Calculation Model For Bragg-edge Transmission Spectrmentioning

confidence: 99%

See 2 more Smart Citations

Deriving Quantitative Crystallographic Information from the Wavelength-Resolved Neutron Transmission Analysis Performed in Imaging Mode

Sato

2017

J. Imaging

View full text Add to dashboard Cite

show abstract

“…[6][7][8] The Bragg-edge is the decrement of neutron transmission caused by the Bragg diffraction, and reflects the crystallographic information including crystal structure, strain, crystallite size, and texture. When the transmission of the crystalline materials is measured, the Bragg-edges are observed as a sawtooth pattern.…”

Section: Simultaneous Characterisation Of Precipitates and Matrix In mentioning

confidence: 99%

Simultaneous Characterisation of Precipitates and Matrix in a Steel Using Small-Angle Neutron Scattering and Bragg-Edge Transmission Analysis

et al. 2015

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Non-invasive characterization of the manufacturing process of a Nuragic bronze statuette: a Neutron Imaging study

Cantini,

Sans Planell,

Kaestner

et al. 2024

Journal of Archaeological Science: Reports

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Upgrade of Bragg Edge Analysis Techniques of the RITS Code for Crystalline Structural Information Imaging

Cited by 39 publications

References 15 publications

Deriving Quantitative Crystallographic Information from the Wavelength-Resolved Neutron Transmission Analysis Performed in Imaging Mode

Deriving Quantitative Crystallographic Information from the Wavelength-Resolved Neutron Transmission Analysis Performed in Imaging Mode

Simultaneous Characterisation of Precipitates and Matrix in a Steel Using Small-Angle Neutron Scattering and Bragg-Edge Transmission Analysis

Non-invasive characterization of the manufacturing process of a Nuragic bronze statuette: a Neutron Imaging study

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