Elastic-stiffness distribution on dual-phase stainless steel studied by resonance ultrasound microscopy

Ogi, Hirotsugu; Niho, Hiroki; Hirao, Masahiko

Acta Materialia, 2006, 54(16), 4143-4148

アクセス数:285件（2025-08-23 13:53 集計）

固定URL: https://hdl.handle.net/11094/84190

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タイトル
Elastic-stiffness distribution on dual-phase stainless steel studied by resonance ultrasound microscopy
著者
NRID
1000090252626 1000090252626
researchmap permalink
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Scopus Author ID
35563683500 35563683500
著者名
Ogi, Hirotsugu
著者名
Niho, Hiroki
NRID
1000080112027 1000080112027
著者名
Hirao, Masahiko
キーワード等
Acoustic methods
dual phases
elastic behavior
Electron backscattering patterns (EBSP)
Mechanical properties
Resonance ultrasound microscopy
Steels
抄録
Distribution of the elastic stiffness coefficient in a dual-phase stainless steel is studied using resonance ultrasound microscopy and electron backscattering patterns. Using a monocrystal langasite oscillator, the resonance frequency change due to contact with the material is measured contactlessly using a solenoid coil antenna. A theoretical calculation based on the contact between two anisotropic bodies is proposed to determine the contact stiffness from the resonance frequency. The measured stiffness distribution is compared with that predicted from the orientation distribution determined using the electron backscattering-pattern method. They generally agreed but the stiffness determined by resonance ultrasound microscopy is nonuniform even in a single γ-phase grain. The nonuniformity of the chromium concentration can be a principal cause of the stiffness distribution. © 2006 Acta Materialia Inc.
出版者
Elsevier Ltd
収録物名
Acta Materialia
巻(号)
54(16)
ページ
4143-4148
刊行年月
2006-08-04
言語
英語
ハンドルURL
https://hdl.handle.net/11094/84190
PISSN
13596454
NCID
AA11521780
AA1106787X
関連情報 (isVersionOf)
DOI (出版社版)
https://doi.org/10.1016/j.actamat.2006.04.031
アクセス権
open access
権利情報
© 2006 Acta Materialia Inc. Published by Elsevier Ltd. This manuscript version is made available under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
出版タイプ
Accepted Manuscript
カテゴリ
学術雑誌論文 Journal Article