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Proceedings Papers

Fretting Fatigue and Wear of Ti-6Al-4V With HVOF Sprayed Stellite Coating on Contact Surfaces of Shrouds and Stubs of Turbine Blades

Kunio Asai, Shuichi Ishizawa, Nobuhiro Isobe
Proc. ASME. GT2018, Volume 7A: Structures and Dynamics, V07AT31A001, June 11–15, 2018
Paper No: GT2018-75282
https://doi.org/10.1115/GT2018-75282
View Paper titled, Fretting Fatigue and Wear of Ti-6Al-4V With HVOF Sprayed Stellite Coating on Contact Surfaces of Shrouds and Stubs of Turbine Blades
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Topics: Coating processes, Coatings, Fatigue, Turbine blades, Wear, Fracture (Materials), Fatigue strength, Friction, Microcracks, Crack propagation
Proceedings Papers

Experimental Verification of Friction Behaviors Under Periodically-Varied Normal Force by Developing a Two-Directional Friction Test System

Kunio Asai, Muzio M. Gola
Proc. ASME. GT2015, Volume 7B: Structures and Dynamics, V07BT33A002, June 15–19, 2015
Paper No: GT2015-42318
https://doi.org/10.1115/GT2015-42318
View Paper titled, Experimental Verification of Friction Behaviors Under Periodically-Varied Normal Force by Developing a Two-Directional Friction Test System
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Topics: Friction, Displacement, Stiffness, Pressure, Contact mechanics, Dampers, Damping, Finite element analysis, Lasers, Sensors
Journal Articles

Experimental Validation of Fretting Fatigue Strength and Fretting Wear Rate at Contact Surface of Turbine-Blade-Shroud Cover

Kunio Asai, Takeshi Kudo, Hideo Yoda
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2014, 136(4): 042101.
Paper No: GTP-12-1410
https://doi.org/10.1115/1.4025833
Published Online: December 10, 2013
View Article titled, Experimental Validation of Fretting Fatigue Strength and Fretting Wear Rate at Contact Surface of Turbine-Blade-Shroud Cover
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Topics: Fatigue, Fatigue strength, Friction, Wear, Stress, Cycles, Blades, Pressure
Proceedings Papers

Experimental Validation of Fretting Fatigue Strength and Fretting Wear Rate at Contact Surface of Turbine-Blade-Shroud Cover

Kunio Asai, Takeshi Kudo, Hideo Yoda
Proc. ASME. GT2012, Volume 7: Structures and Dynamics, Parts A and B, 149-156, June 11–15, 2012
Paper No: GT2012-68576
https://doi.org/10.1115/GT2012-68576
View Paper titled, Experimental Validation of Fretting Fatigue Strength and Fretting Wear Rate at Contact Surface of Turbine-Blade-Shroud Cover
Open the PDF for Experimental Validation of Fretting Fatigue Strength and Fretting Wear Rate at Contact Surface of Turbine-Blade-Shroud Cover in another window
Topics: Blades, Fatigue strength, Turbines, Wear, Friction, Pressure, Stress, Cycles, Fatigue, Adhesion
Proceedings Papers

Evaluation of Friction Damping in Dovetail Root Joints Based on Dissipation Energy on Contact Surfaces

Kunio Asai, Shigeo Sakurai, Takeshi Kudo, Norihiko Ozawa, Taizo Ikeda
Proc. ASME. GT2009, Volume 6: Structures and Dynamics, Parts A and B, 301-313, June 8–12, 2009
Paper No: GT2009-59508
https://doi.org/10.1115/GT2009-59508
View Paper titled, Evaluation of Friction Damping in Dovetail Root Joints Based on Dissipation Energy on Contact Surfaces
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Topics: Damping, Energy dissipation, Friction, Stiffness, Displacement, Gravity (Force), Geometry, Stress, Surface roughness, Turbines
Proceedings Papers

Corrosion Fatigue Life Evaluation Method for the Bladed Disk Attachments of Low-Pressure Steam Turbine

Kunio Asai, Eiji Saito, Kiyoshi Namura, Shigeo Sakurai, Kenichiro Nomura
Proc. ASME. IJPGC2002, 2002 International Joint Power Generation Conference, 495-501, June 24–26, 2002
Paper No: IJPGC2002-26073
https://doi.org/10.1115/IJPGC2002-26073
View Paper titled, Corrosion Fatigue Life Evaluation Method for the Bladed Disk Attachments of Low-Pressure Steam Turbine
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Topics: Corrosion, Disks, Evaluation methods, Fatigue life, Pressure, Steam turbines, Blades, Cracking (Materials), Fracture (Process), Uncertainty