Noncontact measurement of ultrasonic attenuation during rotating fatigue test of steel

Ogi, Horotsugu; Hirao, Masahiko; Minoura, Kiyoshi

Journal of Applied Physics, 1997, 81(8), 3677-3684

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Identifier to cite or link to this item: https://hdl.handle.net/11094/84230

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Title
Noncontact measurement of ultrasonic attenuation during rotating fatigue test of steel
Creator
NRID
1000090252626 1000090252626
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Scopus Author ID
35563683500 35563683500
ORCID
0000-0002-9602-5194 0000-0002-9602-5194
CreatorName
Ogi, Horotsugu
NRID
1000080112027 1000080112027
CreatorName
Hirao, Masahiko
CreatorName
Minoura, Kiyoshi
Description
Ogi H., Hirao M., Minoura K. "Noncontact measurement of ultrasonic attenuation during rotating fatigue test of steel", Journal of Applied Physics, 81(8), 3677-3684 (1997) https://doi.org/10.1063/1.365489.
Abstract
Acoustic resonance technique has been applied to monitor the fatigue damage process of steel pipes exposed to rotating bending fatigue. The technique incorporates a superheterodyne spectrometer and an electromagnetic acoustic transducer (EMAT). The EMAT was newly developed for this purpose, and uses the magnetostrictive mechanism of ferromagnetic metals and excites and detects axial shear waves traveling around the sample pipe with axial polarization. Noncontact ultrasonic spectroscopy permits the accurate determination of the resonant frequency and the attenuation coefficient throughout the fatigue life. The attenuation coefficient shows a sharp peak around 80-90% of the life. The evolution is interpreted as reflecting dislocation multiplication, depinning, and formation of cell structures, which is supported by transmission electron microscopy observations. © 1997 American Institute of Physics.
Publisher
American Institute of Physics
Source Title
Journal of Applied Physics
Volume (Issue)
81(8)
Page
3677-3684
Date of Issued
1997-04-15
Language
English
Handle URL
https://hdl.handle.net/11094/84230
PISSN
00218979
eISSN
10897550
NCID
AA00693547
AA11868165
Relation.isIdenticalTo
DOI (Publisher Version)
https://doi.org/10.1063/1.365489
Access Rights
open access
CopyRight
This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in Journal of Applied Physics, 81(8), 3677-3684 (1997) and may be found at https://doi.org/10.1063/1.365489.
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Version of Record
Category
学術雑誌論文 Journal Article