Suivre
Yoshikazu Ohara
Yoshikazu Ohara
Professor, Department of Materials Processing, Tohoku University
Adresse e-mail validée de material.tohoku.ac.jp
Titre
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Année
Imaging of closed cracks using nonlinear response of elastic waves at subharmonic frequency
Y Ohara, T Mihara, R Sasaki, T Ogata, S Yamamoto, Y Kishimoto, ...
Applied physics letters 90 (1), 011902, 2007
1922007
Effect of adhesion force between crack planes on subharmonic and DC responses in nonlinear ultrasound
Y Ohara, T Mihara, K Yamanaka
Ultrasonics 44 (2), 194-199, 2006
1122006
Nonlinear ultrasonic and vibro-acoustical techniques for nondestructive evaluation
T Kundu
Springer, 2018
1092018
Ultrasonic evaluation of closed cracks using subharmonic phased array
Y Ohara, S Yamamoto, T Mihara, K Yamanaka
Japanese Journal of Applied Physics 47 (5S), 3908, 2008
1082008
Ultrasonic measurement of closed stress corrosion crack depth using subharmonic phased array
Y Ohara, H Endo, T Mihara, K Yamanaka
Japanese Journal of Applied Physics 48 (7S), 07GD01, 2009
832009
Measurement of nonlinear ultrasonic characteristics
KY Jhang, CJ Lissenden, I Solodov, Y Ohara, V Gusev
Springer, 2020
682020
Nonlinear ultrasonic imaging method for closed cracks using subtraction of responses at different external loads
Y Ohara, S Horinouchi, M Hashimoto, Y Shintaku, K Yamanaka
Ultrasonics 51 (6), 661-666, 2011
652011
Enhancement of selectivity in nonlinear ultrasonic imaging of closed cracks using amplitude difference phased array
Y Ohara, Y Shintaku, S Horinouchi, M Ikeuchi, K Yamanaka
Japanese Journal of Applied Physics 51 (7S), 07GB18, 2012
562012
Improvement of Closed Crack Selectivity in Nonlinear Ultrasonic Imaging Using Fundamental Wave Amplitude Difference
M Ikeuchi, K Jinno, Y Ohara, K Yamanaka
Japanese Journal of Applied Physics 52 (7S), 07HC08, 2013
542013
Dynamic acousto-elasticity in a fatigue-cracked sample
J Riviere, MC Remillieux, Y Ohara, BE Anderson, S Haupert, TJ Ulrich, ...
Journal of Nondestructive Evaluation 33 (2), 216-225, 2014
512014
Detection of internal micro defects by nonlinear resonant ultrasonic method using water immersion
Y Ohara, K Kawashima
Japanese journal of applied physics 43 (5S), 3119, 2004
502004
Two-Dimensional Analyses of Subharmonic Generation at Closed Cracks in Nonlinear Ultrasonics
K Yamanaka, Y Ohara, M Oguma, Y Shintaku
Applied physics express 4 (7), 076601, 2011
462011
Simulation and analysis of subharmonics and tail effect for ultrasonic nondestructive evaluation of closed cracks
R Sasaki, T Ogata, Y Ohara, T Mihara, K Yamanaka
Japanese journal of applied physics 44 (6S), 4389, 2005
432005
High-selectivity imaging of closed cracks using elastic waves with thermal stress induced by global preheating and local cooling
Y Ohara, K Takahashi, S Murai, K Yamanaka
Applied Physics Letters 103 (3), 031917, 2013
382013
Closed-crack imaging and scattering behavior analysis using confocal subharmonic phased array
A Sugawara, K Jinno, Y Ohara, K Yamanaka
Japanese Journal of Applied Physics 54 (7S1), 07HC08, 2015
372015
Ultrasonic phased array with surface acoustic wave for imaging cracks
Y Ohara, T Oshiumi, H Nakajima, K Yamanaka, X Wu, T Uchimoto, ...
AIP Advances 7 (6), 065214, 2017
352017
Dynamic acousto-elastic response of single fatigue cracks with different microstructural features: An experimental investigation
J Jin, J Rivière, Y Ohara, P Shokouhi
Journal of Applied Physics 124 (7), 075303, 2018
332018
Subharmonic phased array for crack evaluation using surface acoustic wave
A Ouchi, A Sugawara, Y Ohara, K Yamanaka
Japanese Journal of Applied Physics 54 (7S1), 07HC05, 2015
312015
Optimized dynamic acousto-elasticity applied to fatigue damage and stress corrosion cracking
S Haupert, J Rivière, B Anderson, Y Ohara, TJ Ulrich, P Johnson
Journal of Nondestructive Evaluation 33 (2), 226-238, 2014
312014
Evaluation of closed stress corrosion cracks in Ni-based alloy weld metal using subharmonic phased array
S Horinouchi, M Ikeuchi, Y Shintaku, Y Ohara, K Yamanaka
Japanese Journal of Applied Physics 51 (7S), 07GB15, 2012
312012
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