Search Results - "Miyauchi, Naoya"
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1
Model of local hydrogen permeability in stainless steel with two coexisting structures
Published in Scientific reports (20-04-2021)“…The dynamics of hydrogen in metals with mixed grain structure is not well understood at a microscopic scale. One of the biggest issues facing the hydrogen…”
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2
2-step reaction kinetics for hydrogen absorption into bulk material via dissociative adsorption on the surface
Published in Scientific reports (22-09-2021)“…We have demonstrated that the process of hydrogen absorption into a solid experimentally follows a Langmuir-type (hyperbolic) function instead of Sieverts law…”
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3
Evaluation of Surface Damage of Pd Using Cross-Sectional Electron Backscatter Diffraction Analysis
Published in MATERIALS TRANSACTIONS (01-01-2021)“…Surface damage induced by mechanical polishing of cold-rolled and annealed Pd specimens was examined by cross-sectional electron backscatter diffraction (EBSD)…”
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4
Classification of EBSD Kikuchi Patterns for Stainless Steel by Unsupervised Learning Methods to Investigate Grain Boundaries
Published in E-journal of surface science and nanotechnology (25-02-2023)“…Electron backscatter diffraction (EBSD) indexing based on Kikuchi diffraction patterns, which indicate the types and orientation of the crystal lattice, is…”
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5
Visualization of local hydrogen diffusion in stainless steel using time resolved electron stimulated desorption
Published in Applied surface science (15-10-2020)“…We compared SEM image and permeated hydrogen map (in 65 h and found the relation of hydrogen counts and the brightness of the grains in SEM picture. We…”
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Visualization and characterization of localized outgassing position on surface-treated specimens: Chromium oxide layer on stainless steel
Published in Applied surface science (30-10-2019)“…Hydrogen outgassing from a metal surface and a coated metal surface was visualized by two-dimensional mapping of hydrogen ions desorbed upon scanning electron…”
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7
Microcrystal delivery by pulsed liquid droplet for serial femtosecond crystallography
Published in Acta crystallographica. Section D, Structural biology (01-04-2016)“…A liquid‐droplet injector has been developed that delivers pristine microcrystals to an X‐ray irradiation area for conducting serial femtosecond…”
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Nanosecond pump–probe device for time‐resolved serial femtosecond crystallography developed at SACLA
Published in Journal of synchrotron radiation (01-09-2017)“…X‐ray free‐electron lasers (XFELs) have opened new opportunities for time‐resolved X‐ray crystallography. Here a nanosecond optical‐pump XFEL‐probe device…”
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9
Apparatus design of operando hydrogen microscope for visualization of time-dependent distribution of hydrogen
Published in Journal of vacuum science & technology. A, Vacuum, surfaces, and films (01-01-2024)“…The operando hydrogen microscope is an original apparatus that has been developed to visualize the time-dependent permeation of hydrogen through a sample. This…”
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Visualizing micro leakage position by dynamic measurement in operando hydrogen microscope
Published in Vacuum (01-10-2024)“…We developed an operando hydrogen microscope (OHM) to determine where in materials hydrogen is trapped and causes embrittlement, and the location of hydrogen…”
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11
Evaluation of Surface Damage of Pd Using Cross-Sectional Electron Backscatter Diffraction Analysis
Published in MATERIALS TRANSACTIONS (2020)“…Surface damage induced by mechanical polishing of cold-rolled and annealed Pd specimens was examined by cross-sectional electron backscatter diffraction (EBSD)…”
Get full text
Journal Article -
12
Classification of EBSD Kikuchi Patterns for Stainless Steel by Unsupervised Learning Methods to Investigate Grain Boundaries
Published in e-Journal of Surface Science and Nanotechnology (25-02-2023)“…Electron backscatter diffraction (EBSD) indexing based on Kikuchi diffraction patterns, which indicate the types and orientation of the crystal lattice, is…”
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Journal Article -
13
2D mapping of hydrogen permeation from a stainless steel membrane
Published in Scripta materialia (01-02-2018)“…Hydrogen permeation from a metal surface was visualized by two-dimensional mapping of hydrogen ion desorbed by scanning electron beam irradiation. The sample…”
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