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Proceedings Papers

Laser Peening Qualification for the U.S. Application

Hiroyuki Adachi, Akira Ito, Kazuto Imasaki, Masaki Yoda, Itaru Chida, Kohei Uraguchi, Stephen Marlette
Proc. ASME. PVP2017, Volume 1B: Codes and Standards, V01BT01A057, July 16–20, 2017
Paper No: PVP2017-66017
DOI: https://doi.org/10.1115/PVP2017-66017
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Topics: Laser hardening, Stress, Nozzles, Pressurized water reactors, Compression, Alloys, Boiling water reactors, Fracture (Materials), Nickel alloys, Nuclear industry
Proceedings Papers

Underwater Laser Beam Welding for Nuclear Reactors

Masaki Yoda, Masataka Tamura, Takeshi Fukuda, Katsunori Shiihara, Kazuo Sudo, Takeshi Maehara, Yasuo Morishima, Hiromi Kato, Hiroya Ichikawa
Proc. ASME. ICONE20-POWER2012, Volume 1: Plant Operations, Maintenance, Engineering, Modifications, Life Cycle, and Balance of Plant; Component Reliability and Materials Issues; Steam Generator Technology Applications and Innovations; Advanced Reactors and Near-Term Deployment; Reactor Physics, Neutronics, and Transport Theory; Nuclear Education, Human Resources, and Public Acceptance, 191-195, July 30–August 3, 2012
Paper No: ICONE20-POWER2012-54836
DOI: https://doi.org/10.1115/ICONE20-POWER2012-54836
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Topics: Laser welding, Nuclear reactors, Welding, Welding equipment, Maintenance, Nozzles, Nuclear power stations, Pressurized water reactors, Temperature, Alloy steel
Proceedings Papers

Laser Peening Technology as the SCC Mitigation for Reactor Internals

Hiroyuki Miyasaka, Masaki Yoda, Itaru Chida, Tatsuya Ishigaki
Proc. ASME. PVP2011, Volume 1: Codes and Standards, 941-947, July 17–21, 2011
Paper No: PVP2011-57501
DOI: https://doi.org/10.1115/PVP2011-57501
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Topics: Laser hardening, Lasers, Pressurized water reactors, Boiling water reactors, Nuclear reactors, Irradiation (Radiation exposure), Nozzles, Alloys, High power lasers, High pressure (Physics)
Proceedings Papers

Development of Multifunction Laser Welding Head as Maintenance Technologies Against Stress Corrosion Cracking for Nuclear Power Reactors

Itaru Chida, Naruhiko Mukai, Wataru Kono, Takahiro Miura, Masaki Yoda
Proc. ASME. ICONE17, Volume 1: Plant Operations, Maintenance, Engineering, Modifications and Life Cycle; Component Reliability and Materials Issues; Next Generation Systems, 319-325, July 12–16, 2009
Paper No: ICONE17-75138
DOI: https://doi.org/10.1115/ICONE17-75138
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Topics: Laser welding, Maintenance, Nuclear reactors, Stress corrosion cracking, Inspection, Laser hardening, Lasers, Electrical discharge machining, Laser beams, Metals
Proceedings Papers

Laser Peening Systems for Preventive Maintenance Against Stress Corrosion Cracking in Nuclear Power Reactors

Takuya Uehara, Masaki Yoda, Yuji Sano, Naruhiko Mukai, Itaru Chida, Hiromi Kato
Proc. ASME. ICONE16, Volume 1: Plant Operations, Maintenance, Installations and Life Cycle; Component Reliability and Materials Issues; Advanced Applications of Nuclear Technology; Codes, Standards, Licensing and Regulatory Issues, 491-497, May 11–15, 2008
Paper No: ICONE16-48202
DOI: https://doi.org/10.1115/ICONE16-48202
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Topics: Laser hardening, Maintenance, Nuclear reactors, Stress corrosion cracking, Lasers, Irradiation (Radiation exposure), Mirrors, Control systems, Engineering prototypes, Fibers
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