Yoshikazu Ohara
Yoshikazu Ohara
Associate Professor, Department of Materials Processing, Tohoku University
Verified email at material.tohoku.ac.jp
Title
Cited by
Cited by
Year
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
1482007
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
962006
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
872008
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
752009
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
522011
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
452012
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
442004
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
392013
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
392011
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
392005
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
322014
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
282015
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
242013
Evaluation of amorphous diffusion bonding by nonlinear ultrasonic method
Y Ohara, K Kawashima, R Yamada, H Horio
AIP Conference Proceedings, 944-951, 2003
242003
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
232015
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
212012
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
202014
Analysis on nonlinear ultrasonic images of vertical closed cracks by damped double node model
K Jinno, A Sugawara, Y Ohara, K Yamanaka
Materials Transactions 55 (7), 1017-1023, 2014
172014
High-selectivity imaging of closed cracks in a coarse-grained stainless steel by nonlinear ultrasonic phased array
Y Ohara, K Takahashi, Y Ino, K Yamanaka, T Tsuji, T Mihara
NDT & E International 91, 139-147, 2017
162017
Monitoring growth of closed fatigue crack using subharmonic phased array
Y Ohara, H Endo, M Hashimoto, Y Shintaku, K Yamanaka
REVIEW OF PROGRESS IN QUANTITATIVE NONDESTRUCTIVE EVALUATION VOLUME 29 1211 …, 2010
162010
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