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Proceedings Papers

Evaluation and Application of Hard Coatings for Steam Turbine

Liang Yan, Yujiro Nakatani, Masayuki Yamada, Toru Abe, Koichi Kitaguchi, Yasunori Ono, Kenji Yamamoto, Jun Munemasa
Proc. ASME. POWER2017-ICOPE-17, Volume 2: I&C, Digital Controls, and Influence of Human Factors; Plant Construction Issues and Supply Chain Management; Plant Operations, Maintenance, Aging Management, Reliability and Performance; Renewable Energy Systems: Solar, Wind, Hydro and Geothermal; Risk Management, Safety and Cyber Security; Steam Turbine-Generators, Electric Generators, Transformers, Switchgear, and Electric BOP and Auxiliaries; Student Competition; Thermal Hydraulics and Computational Fluid Dynamics, V002T08A016, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: POWER-ICOPE2017-3440
https://doi.org/10.1115/POWER-ICOPE2017-3440
View Paper titled, Evaluation and Application of Hard Coatings for Steam Turbine
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Topics: Coatings, Steam turbines, Blades, Erosion, High temperature, Creep, Fatigue, High temperature steam, Nozzles, Oxidation
Journal Articles

The Welded Joint Strength Reduction Factors of Modified 9Cr–1Mo Steel for the Advanced Loop-Type Sodium Cooled Fast Reactor

Takuya Yamashita, Takashi Wakai, Takashi Onizawa, Kenichiro Satoh, Kenji Yamamoto
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research-Article
J. Pressure Vessel Technol. December 2016, 138(6): 061403.
Paper No: PVT-15-1260
https://doi.org/10.1115/1.4034017
Published Online: September 2, 2016
View Articletitled, The Welded Joint Strength Reduction Factors of Modified 9Cr–1Mo Steel for the Advanced Loop-Type Sodium Cooled Fast Reactor
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Topics: Base metals, Creep, Rupture, Sodium fast reactors, Steel, Stress, Welded joints, Temperature, Design
Proceedings Papers

Evaluation Method of Creep-Fatigue Life for 316FR Weldment

Yuji Nagae, Kenji Yamamoto, Tomomi Otani
Proc. ASME. PVP2015, Volume 6A: Materials and Fabrication, V06AT06A051, July 19–23, 2015
Publisher: American Society of Mechanical Engineers
Paper No: PVP2015-45513
https://doi.org/10.1115/PVP2015-45513
View Paper titled, Evaluation Method of Creep-Fatigue Life for 316FR Weldment
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Topics: Creep, Evaluation methods, Fatigue, Fillers (Materials), Stainless steel, Base metals, Mechanical properties, Failure mechanisms, Fast neutron reactors, Filler metals
Journal Articles

Strength of 316FR Joints Welded by Type 316FR/16-8-2 Filler Metals

Takuya Yamashita, Yuji Nagae, Kenichiro Satoh, Kenji Yamamoto
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Technical Briefs
J. Pressure Vessel Technol. April 2016, 138(2): 024501.
Paper No: PVT-15-1033
https://doi.org/10.1115/1.4031444
Published Online: October 6, 2015
View Articletitled, Strength of 316FR Joints Welded by Type 316FR/16-8-2 Filler Metals
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Topics: Creep, Filler metals, Welded joints, Welding, Tensile strength, Ferrites (Magnetic materials), Metals, Base metals, Gas tungsten arc welding
Proceedings Papers

Fatigue Crack Growth Rates for Nickel Base Alloys in Air

Yuichiro Nomura, Kenji Yamamoto, Kiminobu Hojo
Proc. ASME. PVP2014, Volume 1: Codes and Standards, V001T01A020, July 20–24, 2014
Publisher: American Society of Mechanical Engineers
Paper No: PVP2014-28098
https://doi.org/10.1115/PVP2014-28098
View Paper titled, Fatigue Crack Growth Rates for Nickel Base Alloys in Air
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Topics: Alloys, Fatigue cracks, Nickel, Japan Society of Mechanical Engineers, Fitness-for-service, Maintenance, Nuclear power stations, Stress, Fatigue testing, Fracture (Materials)
Proceedings Papers

LES of Pulverized Coal Combustion Furnaces

Kenji Yamamoto, Daisuke Kina, Teruyuki Okazaki, Masayuki Taniguchi, Hirofumi Okazaki, Kenichi Ochi
Proc. ASME. POWER2011, ASME 2011 Power Conference, Volume 1, 131-139, July 12–14, 2011
Publisher: American Society of Mechanical Engineers
Paper No: POWER2011-55367
https://doi.org/10.1115/POWER2011-55367
View Paper titled, LES of Pulverized Coal Combustion Furnaces
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Topics: Coal, Combustion, Furnaces, Emissions, Flames, Temperature, Accuracy and precision, Boilers, Carbon, Engineering simulation
Proceedings Papers

Fatigue Crack Growth Threshold of Austenitic Stainless Steels in Simulated PWR Primary Water

Kazuya Tsutsumi, Kenji Yamamoto, Yoshikazu Nitta
Proc. ASME. PVP2007, Volume 1: Codes and Standards, 243-251, July 22–26, 2007
Publisher: American Society of Mechanical Engineers
Paper No: PVP2007-26517
https://doi.org/10.1115/PVP2007-26517
View Paper titled, Fatigue Crack Growth Threshold of Austenitic Stainless Steels in Simulated PWR Primary Water
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Topics: Fatigue cracks, Pressurized water reactors, Stainless steel, Water, Fracture (Materials), Fatigue, High temperature, Stress, Evaluation methods, Fitness-for-service
Proceedings Papers

Finite Element Analysis of Load Distribution of Threaded Connections Made of Dissimilar Materials in High Pressure Facilities

Takuya Sato, Kenji Yamamoto, Rixing Li, Hiroteru Ando
Proc. ASME. PVP2008, Volume 2: Computer Applications/Technology and Bolted Joints, 237-244, July 27–31, 2008
Publisher: American Society of Mechanical Engineers
Paper No: PVP2008-61424
https://doi.org/10.1115/PVP2008-61424
View Paper titled, Finite Element Analysis of Load Distribution of Threaded Connections Made of Dissimilar Materials in High Pressure Facilities
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Topics: Finite element analysis, High pressure (Physics), Stress, Pressure, Design, Screw threads, Thread, Corrosion, Design methodology, Elastic moduli
Proceedings Papers

Modeling of NOx and CO Reactions for Commercial Scale Pulverized Coal Firing Boilers

Hirofumi Okazaki, Masayuki Taniguchi, Kenji Yamamoto, Kenichi Ochi
Proc. ASME. POWER2005, ASME 2005 Power Conference, 825-830, April 5–7, 2005
Publisher: American Society of Mechanical Engineers
Paper No: PWR2005-50352
https://doi.org/10.1115/PWR2005-50352
View Paper titled, Modeling of NOx and CO Reactions for Commercial Scale Pulverized Coal Firing Boilers
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Topics: Boilers, Coal, Firing, Modeling, Nitrogen oxides, Combustion, Oxidation, Pyrolysis, Power stations, Simulation
Proceedings Papers

Mean Stress Correction Procedure in Fatigue Evaluation for High Pressure Vessels

Susumu Terada, Kenji Yamamoto
Proc. ASME. PVP2004, High Pressure Technology: Innovations and Advances in High Pressure Technology; 12th Annual ASME/PVPD 2004 Student Paper Competition, 33-38, July 25–29, 2004
Publisher: American Society of Mechanical Engineers
Paper No: PVP2004-2275
https://doi.org/10.1115/PVP2004-2275
View Paper titled, Mean Stress Correction Procedure in Fatigue Evaluation for High Pressure Vessels
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Topics: Fatigue, High-pressure vessels, Stress, Fatigue testing, Cylinders, Tensile strength