Effects of Couplers on Acoustic Velocity Measurement by Complex V(z) Method
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概要
- 論文の詳細を見る
The effects of a coupling liquid on the measurement of acoustic velocities were theoretically and experimentally investigated. The reflectance function was obtained from complex V(z) curves measured with an amplitude-and-phase-measuring acoustic microscope. Theoretical and experimental analyses were performed for six different specimens with water and mercury as couplers. Longitudinal, transverse and Rayleigh wave velocities were successfully measured provided that the acoustic impedance of the specimen was larger than that of the coupler by a factor of one to five. Longitudinal and transverse velocities were measured even if the acoustic impedance of the specimen was less than that of the coupler.
- 社団法人応用物理学会の論文
- 1995-05-30
著者
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Adachi Tadaharu
Department Of Mechanical Engineering And Science Tokyo Institute Of Technology
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Matsumoto Hiroyuki
Department of Electrical Engineering, Toyo University
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Adachi Taiji
Department Of Mechanical Engineering And Science Tokyo Institute Of Technology
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ENDO Tomio
Product Development, Olympus Optical Co., Ltd.
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Nishida Masahiro
Graduate School, Tokyo Institute of Technology
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Endo Tomio
Innovative Technology Development Section, Olympus Optical Co., Ltd.
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Endo T
Product Development Olympus Optical Co. Ltd.
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Nishida Masahiro
Department Of Mechanical Engineering And Science Tokyo Institute Of Technology:(present Adress)depar
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Matsumoto H
Information Security Systems Division Nhk Spring Co. Ltd.
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Matsumoto Hiroyuki
Department Of Biochemistry And Molecular Biology University Of Oklahoma Health Sciences Center
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Matsumoto Hiroyuki
Department Of Biochemistry And Molecular Biology The University Of Oklahoma Health Sciences Center
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NISHIDA Masahiro
Graduate School of Engineering, Nagoya Institute of Technology
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