Ultrasonic attenuation peak during fatigue of polycrystalline copper M Hirao, H Ogi, N Suzuki, T Ohtani Acta Materialia 48 (2), 517-524, 2000 | 134 | 2000 |
Line-focusing electromagnetic acoustic transducers for the detection of slit defects H Ogi, M Hirao, T Ohtani IEEE transactions on ultrasonics, ferroelectrics, and frequency control 46 …, 1999 | 100 | 1999 |
Line-focusing of ultrasonic wave by electromagnetic acoustic transducer H Ogi, M Hirao, T Ohtani The Journal of the Acoustical Society of America 103 (5), 2411-2415, 1998 | 78 | 1998 |
Ultrasonic attenuation monitoring of fatigue damage in low carbon steels with electromagnetic acoustic resonance (EMAR) T Ohtani, H Ogi, Y Minami, M Hirao Journal of Alloys and Compounds 310 (1-2), 440-444, 2000 | 66 | 2000 |
Rotation supporting device of a polygon mirror N Osada, Y Hisabe, T Ohtani, T Kanamori US Patent 4,984,881, 1991 | 52 | 1991 |
Gas dynamic bearing for spindle motor Y Hisabe, N Osada, T Ohtani, M Kishi, Y Sato, D Konno, S Miwa, ... US Patent 4,998,033, 1991 | 49 | 1991 |
Acoustic damping characterization and microstructure evolution in nickel-based superalloy during creep T Ohtani, H Ogi, M Hirao International Journal of Solids and structures 42 (9-10), 2911-2928, 2005 | 42 | 2005 |
Evolution of microstructure and acoustic damping during creep of a Cr–Mo–V ferritic steel T Ohtani, H Ogi, M Hirao Acta materialia 54 (10), 2705-2713, 2006 | 41 | 2006 |
Electromagnetic acoustic resonance to assess creep damage in Cr–Mo–V steel T Ohtani, H Ogi, M Hirao Japanese journal of applied physics 45 (5S), 4526, 2006 | 41 | 2006 |
Round robin crystal orientation measurement using EBSD for damage assessment M Kamaya, K Kubushiro, Y Sakakibara, S Suzuki, H Morita, R Yoda, ... Mechanical Engineering Journal 3 (3), 16-00077-16-00077, 2016 | 40 | 2016 |
Noncontact evaluation of surface-wave nonlinearity for creep damage in Cr–Mo–V Steel T Ohtani, H Ogi, M Hirao Japanese Journal of Applied Physics 48 (7S), 07GD02, 2009 | 40 | 2009 |
Ultrasonic attenuation and microstructural evolution throughout tension–compression fatigue of a low-carbon steel T Ohtani, K Nishiyama, S Yoshikawa, H Ogi, M Hirao Materials Science and Engineering: A 442 (1-2), 466-470, 2006 | 39 | 2006 |
Nonlinear acoustic evaluation of creep damage in boiler heat exchange tubes T Ohtani, K Kawashima, M Drew, P Guagliard Japanese Journal of Applied Physics 46 (7S), 4577, 2007 | 30 | 2007 |
Flaw detection by line-focusing electromagnetic acoustic transducers H Ogi, M Hirao, T Ohtani 1997 IEEE Ultrasonics Symposium Proceedings. An International Symposium (Cat …, 1997 | 26 | 1997 |
Electromagnetic acoustic transducer EMAT and inspection system with EMAR T Ohtani, H Ogi, M Hirao US Patent 6,109,108, 2000 | 25 | 2000 |
Electromagnetic acoustic transducer EMAT and inspection system with EMAR T Ohtani, H Ogi, M Hirao US Patent 5,811,682, 1998 | 23 | 1998 |
Creep strain analysis of austenitic stainless steel by SEM/EBSD K Kubushiro, Y Sakakibara, T Ohtani Journal of the Society of Materials Science, Japan 64 (2), 106-112, 2015 | 22 | 2015 |
Creep-induced microstructural changes and acoustic characterization in a Cr–Mo–V Steel T Ohtani, F Yin, Y Kamada Japanese journal of applied physics 47 (5S), 3916, 2008 | 21 | 2008 |
Dislocation damping and microstructural evolutions during creep of 2.25 Cr-1Mo steels T Ohtani, H Ogi, M Hirao Metallurgical and Materials Transactions A 36, 411-420, 2005 | 21 | 2005 |
Change of ultrasonic attenuation and microstructure evolution in crept 2.25%-1% Mo Steels T Ohtani Journal of Society of Materials Science, Japan 51, 195-201, 2002 | 20 | 2002 |