Inverse pole figure mapping of bulk crystalline grains in a polycrystalline steel plate by pulsed neutron Bragg-dip transmission imaging

Sato, Hirotaka; Shiota, Yoshinori; Morooka, Satoshi et al.

Journal of applied crystallography, 2017, 50, 1601-1610

Permalink : https://hdl.handle.net/2115/68147

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Inverse pole figure mapping of bulk crystalline grains in a polycrystalline steel plate by pulsed neutron Bragg-dip transmission imaging pdf 1.90 MB 1,154

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アクセス権
open access
URI
https://hdl.handle.net/2115/68147
タイトル
Inverse pole figure mapping of bulk crystalline grains in a polycrystalline steel plate by pulsed neutron Bragg-dip transmission imaging
著者
Sato, Hirotaka ; Shiota, Yoshinori ; Morooka, Satoshi ; Todaka, Yoshikazu ; Adachi, Nozomu ; Sadamatsu, Sunao ; Oikawa, Kenichi ; Harada, Masahide ; Zhang, Shuoyuan ; Su, Yuhua ; Kamiyama, Takashi ; Ohnuma, Masato ; Furusaka, Michihiro ; Shinohara, Takenao ; Kiyanagi, Yoshiaki
著者名
Sato, Hirotaka
著者名
Shiota, Yoshinori
著者名
Morooka, Satoshi
著者名
Todaka, Yoshikazu
著者名
Adachi, Nozomu
著者名
Sadamatsu, Sunao
著者名
Oikawa, Kenichi
著者名
Harada, Masahide
著者名
Zhang, Shuoyuan
著者名
Su, Yuhua
著者名
Kamiyama, Takashi
著者名
Ohnuma, Masato
著者名
Furusaka, Michihiro
著者名
Shinohara, Takenao
e-Rad_Researcher
80002202
著者名
Kiyanagi, Yoshiaki
言語
英語
キーワード
pulsed neutron Bragg-dip transmission imaging
grain orientation mapping
inverse pole figures
large-area bulk analysis
発行日
2017-12
出版者
International Union of Crystallography
収録物名
Journal of applied crystallography
巻(号)
50
ページ
1601-1610
抄録
A new mapping procedure for polycrystals using neutron Bragg-dip transmission is presented. This is expected to be useful as a new materials characterization tool which can simultaneously map the crystallographic direction of grains parallel to the incident beam. The method potentially has a higher spatial resolution than neutron diffraction imaging. As a demonstration, a Bragg-dip neutron transmission experiment was conducted at J-PARC on beamline MLF BL10 NOBORU. A large-grained Si-steel plate was used. Since this specimen included multiple grains along the neutron beam transmission path, it was a challenging task for existing methods to analyse the direction of the crystal lattice of each grain. A new data-analysis method for Bragg-dip transmission measurements was developed based on database matching. As a result, the number of grains and their crystallographic direction along the neutron transmission path have been determined.
資源タイプ
学術雑誌論文
出版タイプ
Version of Record
PISSN
1600-5767
関連情報 (isIdenticalTo)
出版社版DOI
https://doi.org/10.1107/S1600576717012900