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
1612007
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
1002006
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
932008
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
762009
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
572011
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
492012
Nonlinear ultrasonic and vibro-acoustical techniques for nondestructive evaluation
T Kundu
Springer, 2018
462018
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
452004
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
442013
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
412005
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
382014
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
332015
Evaluation of amorphous diffusion bonding by nonlinear ultrasonic method
Y Ohara, K Kawashima, R Yamada, H Horio
AIP Conference Proceedings 700 (1), 944-951, 2004
282004
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
272015
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
262013
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
242014
Two-dimensional analysis of subharmonic ultrasound generation at closed cracks by damped double nodes
K YAMANAKA, Y SHINTAKU, M OGUMA, Y OHARA
Applied Physics Express 4, 076601, 2011
24*2011
6th NDT in Progress 2011
K YAMANAKA, Y SHINTAKU, M OGUMA, Y OHARA
24*
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
222012
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
212017
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Articles 1–20