Yoshikazu Ohara

Associate Professor

  • 690 Citations
  • 14 h-Index
20042020

Research output per year

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Research Output

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Conference contribution
2017

Development of Hertzian contact ultrasonic probe for couplant-free concrete measurement

Tsuji, T., Ikoma, R., Ohara, Y. & Mihara, T., 2017 Oct 31, 2017 IEEE International Ultrasonics Symposium, IUS 2017. IEEE Computer Society, 8092936. (IEEE International Ultrasonics Symposium, IUS).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Development of highly efficient piezoelectric gas composite probe for air-coupled ultrasonic testing

Tsuji, T., Kitahara, D., Tanaka, Y., Ohara, Y. & Mihara, T., 2017 Oct 31, 2017 IEEE International Ultrasonics Symposium, IUS 2017. IEEE Computer Society, 8092260. (IEEE International Ultrasonics Symposium, IUS).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2015

Nonlinear ultrasonic phased array imaging of closed cracks using global preheating and local cooling

Ohara, Y., Takahashi, K., Ino, Y. & Yamanaka, K., 2015 Oct 28, Recent Developments in Nonlinear Acoustics: 20th International Symposium on Nonlinear Acoustics including the 2nd International Sonic Boom Forum. Sparrow, V. W., Dragna, D. & Blanc-Benon, P. (eds.). American Institute of Physics Inc., 080002. (AIP Conference Proceedings; vol. 1685).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)
2012

Enhancement of the selectivity of closed cracks in nonlinear ultrasonic imaging using amplitude difference phased array

Ohara, Y., Ikeuchi, M., Jinno, K., Ouchi, A., Horinouchi, S. & Yamanaka, K., 2012 Jan 1, 2012 Proceedings of SICE Annual Conference, SICE 2012. Society of Instrument and Control Engineers (SICE), p. 1177-1180 4 p. 6318622. (Proceedings of the SICE Annual Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Formation and evaluation of closed stress corrosion cracks in ni-based alloy weld metal for nuclear power plants

Ohara, Y., Shintaku, Y., Horinouchi, S. & Yamanak, K., 2012 May 1, Nonlinear Acoustics: State-of-the-Art and Perspectives, ISNA 2012 - 19th International Symposium on Nonlinear Acoustics. 1 ed. p. 183-186 4 p. (AIP Conference Proceedings; vol. 1474, no. 1).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Two dimensional model for subharmonic generation at closed cracks with damped double nodes

Yamanaka, K., Shintaku, Y. & Ohara, Y., 2012 May 1, Nonlinear Acoustics: State-of-the-Art and Perspectives, ISNA 2012 - 19th International Symposium on Nonlinear Acoustics. 1 ed. p. 179-182 4 p. (AIP Conference Proceedings; vol. 1474, no. 1).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)
2011

Two-dimensional analysis of subharmonic ultrasound generation at closed cracks by damped double nodes

Yamanaka, K., Shintaku, Y., Oguma, M. & Ohara, Y., 2011 Jan 1, NDT in Progress 2011 - 6th International Workshop of NDT Experts, Proceedings. Mazal, P. (ed.). Brno University of Technology, p. 327-332 6 p. (NDT in Progress 2011 - 6th International Workshop of NDT Experts, Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2010

Evaluation of stress corrosion cracks in metals by linear and nonlinear ultrasound

Shintaku, Y., Ohara, Y., Hashimoto, M., Horinouchi, S. & Yamanaka, K., 2010 Dec 1, 20th International Congress on Acoustics 2010, ICA 2010 - Incorporating Proceedings of the 2010 Annual Conference of the Australian Acoustical Society. p. 113-116 4 p. (20th International Congress on Acoustics 2010, ICA 2010 - Incorporating Proceedings of the 2010 Annual Conference of the Australian Acoustical Society; vol. 1).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Fundamental study on nonlinear ultrasonic imaging method for closed cracks using subtraction of responses at different external loads

Ohara, Y., Shintaku, Y., Hashimoto, M., Horinouchi, S. & Yamanaka, K., 2010 Dec 1, 20th International Congress on Acoustics 2010, ICA 2010 - Incorporating Proceedings of the 2010 Annual Conference of the Australian Acoustical Society. p. 869-873 5 p. (20th International Congress on Acoustics 2010, ICA 2010 - Incorporating Proceedings of the 2010 Annual Conference of the Australian Acoustical Society; vol. 2).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Monitoring growth of closed fatigue crack using subharmonic phased array

Ohara, Y., Endo, H., Hashimoto, M., Shintaku, Y. & Yamanaka, K., 2010 Apr 1, Review of Progress in Quantitative Nondestructive Evaluation. Vol. 1211. p. 903-909 7 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

9 Citations (Scopus)
2008

Accurate measurement of closed cracks using subharmonic phased array

Ohara, Y., Yamamoto, S., Endo, H., Mihara, T. & Yamanaka, K., 2008 Aug 15, Nonlinear Acoustics - Fundamentals and Applications - ISNA18 - 18th International Symposium on Nonlinear Acoustics. p. 557-560 4 p. (AIP Conference Proceedings; vol. 1022).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Analysis of subharmonic phased array for crack evaluation (SPACE) using elastic-body-oscillator model

Yamanaka, K., Ohara, Y., Yamamoto, S. & Endo, H., 2008 Aug 15, Nonlinear Acoustics - Fundamentals and Applications - ISNA18 - 18th International Symposium on Nonlinear Acoustics. p. 577-580 4 p. (AIP Conference Proceedings; vol. 1022).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Development of nonlinear ultrasound system using PMN-PT piezoelectric crystal

Mihara, T., Ohara, Y. & Yamanaka, K., 2008 Dec 1, ASME 2008 Pressure Vessels and Piping Conference, PVP2008. p. 161-164 4 p. (American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP; vol. 5).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2006

Time domain analysis of subharmonic ultrasound for practical crack sizing

Yamanaka, K., Sasaki, R., Ogata, T., Ohara, Y. & Mihara, T., 2006 Mar 6, Review of Progress in Quantitative Nondestructive Evaluation: Volume 25A. p. 283-290 8 p. (AIP Conference Proceedings; vol. 820 I).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

9 Citations (Scopus)