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Takao Koide
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Journal Articles

Estimation of Gear Friction Coefficient Using Directional Parameter of Tooth Surface

Junichi Hongu, Ryohei Horita, Takao Koide
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol. January 2022, 144(1): 011603.
Paper No: TRIB-21-1282
DOI: https://doi.org/10.1115/1.4052558
Published Online: October 20, 2021
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Topics: Friction, Gears
Proceedings Papers

Effect of Sintering Process and Rolling on Surface Durability of Sintered Metal Gears

Takao Koide, Satoshi Oda, Hitoshi Nakamura, Michinari Onishi
Proc. ASME. IDETC-CIE2000, Volume 6: 8th International Power Transmission and Gearing Conference, 203-208, September 10–13, 2000
Paper No: DETC2000/PTG-14382
DOI: https://doi.org/10.1115/DETC2000/PTG-14382
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Topics: Durability, Gears, Metals, Sinter (Metallurgy), Sintering
Proceedings Papers

Stylization for Gear Tooth Surfaces With Different Machining Processes Using Graphic Analysis

Junichi Hongu, Hiroki Noborio, Takao Koide, Atsutaka Tamura
Proc. ASME. IDETC-CIE2019, Volume 10: 2019 International Power Transmission and Gearing Conference, V010T11A033, August 18–21, 2019
Paper No: DETC2019-97776
DOI: https://doi.org/10.1115/DETC2019-97776
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Topics: Gear teeth, Machining
Journal Articles

Comparative Analysis on Traumatic Brain Injury Risk Due to Primary and Secondary Impacts in a Pedestrian Sideswipe Accident

Atsutaka Tamura, Junji Hasegawa, Takao Koide
Journal: ASCE-ASME J Risk and Uncert in Engrg Sys Part B Mech Engrg
Article Type: Research-Article
ASME J. Risk Uncertainty Part B. December 2018, 4(4): 041004.
Paper No: RISK-17-1030
DOI: https://doi.org/10.1115/1.4039464
Published Online: April 30, 2018
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Topics: Accidents, Risk, Traumatic brain injury, Vehicles, Safety, Impulse (Physics), Brain, Simulation, Biological tissues, Sports
Proceedings Papers

Dynamic Tensile Behavior of Fiber Bundles Freshly Isolated From Nerve Roots

Atsutaka Tamura, Jun-ichi Hongu, Tomomi Yamamoto, Takao Koide
Proc. ASME. IMECE2017, Volume 3: Biomedical and Biotechnology Engineering, V003T04A039, November 3–9, 2017
Paper No: IMECE2017-70796
DOI: https://doi.org/10.1115/IMECE2017-70796
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Topics: Fibers, Relaxation (Physics), Stress, Biomechanics, Curve fitting, Damage, Injury mechanisms, Mechanical behavior, Optimization, Sports
Proceedings Papers

Effects of Anatomical Site and Loading Rate on Tensile Behavior of Fiber Bundles Isolated From Nerve Roots

Atsutaka Tamura, Mizuki Sakaya, Takao Koide
Proc. ASME. IMECE2016, Volume 3: Biomedical and Biotechnology Engineering, V003T04A035, November 11–17, 2016
Paper No: IMECE2016-66016
DOI: https://doi.org/10.1115/IMECE2016-66016
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Topics: Fibers, Elastic moduli, Engineering simulation, Failure, Mechanical properties, Simulation, Strength (Materials), Tensile strength, Wounds
Proceedings Papers

Comparative Analysis on Traumatic Brain Injury Risk due to Primary and Secondary Impacts in a Vehicle-Pedestrian Sideswipe Accident

Atsutaka Tamura, Junji Hasegawa, Takao Koide
Proc. ASME. IMECE2016, Volume 14: Emerging Technologies; Materials: Genetics to Structures; Safety Engineering and Risk Analysis, V014T14A015, November 11–17, 2016
Paper No: IMECE2016-66021
DOI: https://doi.org/10.1115/IMECE2016-66021
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Topics: Accidents, Risk, Traumatic brain injury, Vehicles, Biological tissues, Brain, Deformation, Impact testing, Impulse (Physics), Safety
Proceedings Papers

Pedestrian Accident Reconstruction Using a Human Body Finite Element Model

Atsutaka Tamura, Takao Koide
Proc. ASME. IDETC-CIE2015, Volume 1A: 35th Computers and Information in Engineering Conference, V01AT02A049, August 2–5, 2015
Paper No: DETC2015-46969
DOI: https://doi.org/10.1115/DETC2015-46969
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Topics: Accidents, Finite element model, Risk, Traumatic brain injury, Vehicles, Accounting, Brain, Collisions (Physics), Countermeasures, Finite element analysis
Proceedings Papers

Gear and Bearing Failure Detection Using Vibration Monitoring and Mahalanobis-Taguchi System

Takao Koide, Daisuke Matsuura, Atsutaka Tamura, Takuya Yasugi, Takashi Mori
Proc. ASME. IDETC-CIE2015, Volume 10: ASME 2015 Power Transmission and Gearing Conference; 23rd Reliability, Stress Analysis, and Failure Prevention Conference, V010T11A040, August 2–5, 2015
Paper No: DETC2015-46599
DOI: https://doi.org/10.1115/DETC2015-46599
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Topics: Bearings, Failure, Gears, Mahalanobis-Taguchi system, Vibration, Machinery
Proceedings Papers

Heat Generation, Power Transmission Efficiency, and Life of Plastic Worm and Helical Wheels Meshed With Steel Worm

Takao Koide, Mikio Takahashi, Hideo Takahashi, Kouitsu Miyachika
Proc. ASME. IDETC-CIE2011, Volume 8: 11th International Power Transmission and Gearing Conference; 13th International Conference on Advanced Vehicle and Tire Technologies, 507-513, August 28–31, 2011
Paper No: DETC2011-47557
DOI: https://doi.org/10.1115/DETC2011-47557
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Topics: Heat, Steel, Wheels, Worm gears, Temperature, Copolymers, Failure mechanisms, Gear teeth, Lubrication, Machinery
Proceedings Papers

Residual Stress and Bending Fatigue Strength of Case-Carburized Thin-Rimmed Spur Gears With Asymmetric Web Arrangement

Kouitsu Miyachika, Wei-Dong Xue, Takao Koide, Hidefumi Mada, Kengo Nojima, Satoshi Oda, Hideaki Katanuma
Proc. ASME. IDETC-CIE2007, Volume 7: 10th International Power Transmission and Gearing Conference, 845-854, September 4–7, 2007
Paper No: DETC2007-34047
DOI: https://doi.org/10.1115/DETC2007-34047
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Topics: Carburization, Fatigue strength, Finite element methods, Spur gears, Stress
Proceedings Papers

Effects of Rolling on Load Bearing Capacity of Sintered Metal Gears

Takao Koide, Takatoshi Maemori, Teruie Takemasu, Kouitsu Miyachika, Chiaki Namba
Proc. ASME. IDETC-CIE2007, Volume 7: 10th International Power Transmission and Gearing Conference, 855-862, September 4–7, 2007
Paper No: DETC2007-34065
DOI: https://doi.org/10.1115/DETC2007-34065
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Topics: Gears, Load bearing capacity, Metals, Rollers
Proceedings Papers

Friction and Wear Characteristics of Natural Iron Sand Coating

Yasuo Kondo, Takao Koide, Kouitsu Miyachika, Fumio Obata
Proc. ASME. IDETC-CIE2003, Volume 4: 9th International Power Transmission and Gearing Conference, Parts A and B, 791-796, September 2–6, 2003
Paper No: DETC2003/PTG-48100
DOI: https://doi.org/10.1115/DETC2003/PTG-48100
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Topics: Coating processes, Coatings, Friction, Iron, Sands, Wear
Proceedings Papers

Load Bearing Capacity of Super-Carburized Gears

Takao Koide, Koji Tsubokura, Satoshi Oda, Chiaki Namba
Proc. ASME. IDETC-CIE2003, Volume 4: 9th International Power Transmission and Gearing Conference, Parts A and B, 121-127, September 2–6, 2003
Paper No: DETC2003/PTG-48016
DOI: https://doi.org/10.1115/DETC2003/PTG-48016
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Topics: Carburization, Durability, Fatigue strength, Gears, Load bearing capacity, Rollers, Shot peening