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Proceedings Papers

Phased Array Ultrasonic Inspection Technique for Cast Austenitic Stainless Steel Parts of Nuclear Power Plants

Setsu Yamamoto, Jun Semboshi, Azusa Sugawara, Makoto Ochiai, Kentaro Tsuchihashi, Hiroyuki Adachi, Koji Higuma
Proc. ASME. ICONE24, Volume 1: Operations and Maintenance, Aging Management and Plant Upgrades; Nuclear Fuel, Fuel Cycle, Reactor Physics and Transport Theory; Plant Systems, Structures, Components and Materials; I&C, Digital Controls, and Influence of Human Factors, V001T01A005, June 26–30, 2016
Paper No: ICONE24-60256
DOI: https://doi.org/10.1115/ICONE24-60256
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Topics: Inspection, Nuclear power stations, Stainless steel, Echoes, Noise (Sound), Electrical discharge machining, Ultrasonic testing, Algorithms, Data acquisition systems, Gages
Proceedings Papers

A Remote Operated Quadruped Robot System for Investigation of Reactor Building

Naotaka Suganuma, Takuya Uehara, Kenji Matsuzaki, Makoto Ochiai, Fujio Terai, Akira Tsuyuki, Itaru Chida
Proc. ASME. ICONE22, Volume 1: Plant Operations, Maintenance, Engineering, Modifications, Life Cycle and Balance of Plant; Nuclear Fuel and Materials; Plant Systems, Structures and Components; Codes, Standards, Licensing and Regulatory Issues, V001T01A005, July 7–11, 2014
Paper No: ICONE22-30304
DOI: https://doi.org/10.1115/ICONE22-30304
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Topics: Robots, Vehicles, Fukushima nuclear disaster, Japan, 2011, Nuclear power stations, Stairs, Cables, Disasters, Manipulators, Radiation (Physics), Water leakage
Proceedings Papers

Basic Characteristics of Eddy Current Testing Using Resonant Coupling

Noriyasu Kobayashi, Souichi Ueno, Kota Nomura, Makoto Ochiai, Yuko Kitajima, Shigeki Maruyama
Proc. ASME. PVP2012, Volume 5: High-Pressure Technology; ASME NDE Division, 259-264, July 15–19, 2012
Paper No: PVP2012-78429
DOI: https://doi.org/10.1115/PVP2012-78429
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Topics: Eddy current testing, Resonance, Noise (Sound), Sensors, Electrical discharge machining, Signals, Excitation systems, Inspection, Magnetic resonance, Vibration tests
Proceedings Papers

Remote Field Eddy Current Testing for SG Inspection of Fast Reactor

Noriyasu Kobayashi, Souichi Ueno, Satoshi Nagai, Makoto Ochiai, Noboru Jimbo
Proc. ASME. ICONE18, 18th International Conference on Nuclear Engineering: Volume 1, 177-182, May 17–21, 2010
Paper No: ICONE18-29578
DOI: https://doi.org/10.1115/ICONE18-29578
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Topics: Eddy current testing, Fast neutron reactors, Inspection, Magnetic fields, Sensors, Excitation systems, Wire mesh, Boilers, Flaw detection, Magnetic materials
Proceedings Papers

Laser-Based Maintenance and Repair Technologies for Reactor Components

Masaki Yoda, Naruhiko Mukai, Makoto Ochiai, Masataka Tamura, Satoshi Okada, Katsuhiko Sato, Motohiko Kimura, Yuji Sano, Noboru Saito, Seishi Shima, Tetsuo Yamamoto
Proc. ASME. ICONE12, 12th International Conference on Nuclear Engineering, Volume 1, 39-46, April 25–29, 2004
Paper No: ICONE12-49238
DOI: https://doi.org/10.1115/ICONE12-49238
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Topics: Laser hardening, Lasers, Maintenance, Ultrasonic testing
Proceedings Papers

Development and Application of Laser Peening System for PWR Power Plants

Masaki Yoda, Itaru Chida, Satoshi Okada, Makoto Ochiai, Yuji Sano, Naruhiko Mukai, Gaku Komotori, Ryoichi Saeki, Toshimitsu Takagi, Masanori Sugihara, Hirokata Yoriki
Proc. ASME. ICONE14, Volume 1: Plant Operations, Maintenance and Life Cycle; Component Reliability and Materials Issues; Codes, Standards, Licensing and Regulatory Issues; Fuel Cycle and High Level Waste Management, 419-424, July 17–20, 2006
Paper No: ICONE14-89228
DOI: https://doi.org/10.1115/ICONE14-89228
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Topics: Laser hardening, Lasers, Power stations, Pressurized water reactors, Ultrasonic testing