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Tomoaki Uchiyama
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Proceedings Papers

A Scoping Study on the Use of Direct Quantification of Fault Tree Using Monte Carlo Simulation in Seismic Probabilistic Risk Assessments

Kotaro Kubo, Keita Fujiwara, Yoichi Tanaka, Yuto Hakuta, Daisuke Arake, Tomoaki Uchiyama, Ken Muramatsu
Proc. ASME. ICONE29, Volume 13: Risk Assessments and Management, V013T13A001, August 8–12, 2022
Publisher: American Society of Mechanical Engineers
Paper No: ICONE29-88773
https://doi.org/10.1115/ICONE29-88773
View Paper titled, A Scoping Study on the Use of Direct Quantification of Fault Tree Using Monte Carlo Simulation in Seismic Probabilistic Risk Assessments
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Topics: Computation, Probabilistic risk assessment, Simulation
Proceedings Papers

Crack Propagation Resistance in Thickness Direction of Proton Exchange Membrane (PEM)

Yusuke Sasaki, Yusuke Kai, Masaki Omiya, Tomoaki Uchiyama, Hideyuki Kumei
Proc. ASME. FUELCELL2014, ASME 2014 12th International Conference on Fuel Cell Science, Engineering and Technology, V001T06A008, June 30–July 2, 2014
Publisher: American Society of Mechanical Engineers
Paper No: FuelCell2014-6407
https://doi.org/10.1115/FuelCell2014-6407
View Paper titled, Crack Propagation Resistance in Thickness Direction of Proton Exchange Membrane (PEM)
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Topics: Crack propagation, Proton exchange membranes, Fracture (Materials), Catalysts, Membrane electrode assemblies, Temperature, Deformation, Diluents, Durability, Electrolytes
Journal Articles

In Situ Observation of Deformation Behavior of Membrane Electrode Assembly Under Humidity Cycles

Yusuke Kai, Yuki Kitayama, Masaki Omiya, Tomoaki Uchiyama, Hideyuki Kumei
Journal: Journal of Electrochemical Energy Conversion and Storage
Publisher: ASME
Article Type: Research-Article
J. Electrochem. En. Conv. Stor. October 2014, 11(5): 051006.
Paper No: FC-14-1034
https://doi.org/10.1115/1.4028155
Published Online: August 26, 2014
View Article titled, In Situ Observation of Deformation Behavior of Membrane Electrode Assembly Under Humidity Cycles
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Topics: Carbon, Cycles, Deformation, Membrane electrode assemblies, Fracture (Materials), Temperature
Proceedings Papers

Crack Formation on Membrane Electrode Assembly (MEA) Under Static and Cyclic Loadings

Yusuke Kai, Yuki Kitayama, Masaki Omiya, Tomoaki Uchiyama, Manabu Kato
Proc. ASME. FUELCELL2012, ASME 2012 10th International Conference on Fuel Cell Science, Engineering and Technology, 143-151, July 23–26, 2012
Publisher: American Society of Mechanical Engineers
Paper No: FuelCell2012-91164
https://doi.org/10.1115/FuelCell2012-91164
View Paper titled, Crack Formation on Membrane Electrode Assembly (MEA) Under Static and Cyclic Loadings
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Topics: Fracture (Materials), Membrane electrode assemblies, Low cycle fatigue, Catalysts, Design, Proton exchange membranes, Temperature, Cycles, Deformation, Electrolytes
Proceedings Papers

Mechanical Degradation Mechanism of Membrane Electrode Assemblies in Buckling Test Under Humidity Cycles

Tomoaki Uchiyama, Manabu Kato, Yoshihiro Ikogi, Toshihiko Yoshida
Proc. ASME. FUELCELL2012, ASME 2012 10th International Conference on Fuel Cell Science, Engineering and Technology, 235-244, July 23–26, 2012
Publisher: American Society of Mechanical Engineers
Paper No: FuelCell2012-91262
https://doi.org/10.1115/FuelCell2012-91262
View Paper titled, Mechanical Degradation Mechanism of Membrane Electrode Assemblies in Buckling Test Under Humidity Cycles
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Topics: Buckling, Cycles, Membrane electrode assemblies, Finite element methods, Fracture (Materials), Proton exchange membranes, Young's modulus, Stress, Tension, Catalysts
Journal Articles

Crack Formation in Membrane Electrode Assembly Under Static and Cyclic Loadings

Yusuke Kai, Yuki Kitayama, Masaki Omiya, Tomoaki Uchiyama, Manabu Kato
Journal: Journal of Electrochemical Energy Conversion and Storage
Publisher: ASME
Article Type: Research-Article
J. Electrochem. En. Conv. Stor. April 2013, 10(2): 021007.
Paper No: FC-12-1129
https://doi.org/10.1115/1.4023878
Published Online: March 25, 2013
View Article titled, Crack Formation in Membrane Electrode Assembly Under Static and Cyclic Loadings
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Topics: Catalysts, Fracture (Materials), Membrane electrode assemblies, Proton exchange membranes, Temperature, Surface cracks, Stress, Fatigue testing, Mechanical properties
Journal Articles

Mechanical Degradation Mechanism of Membrane Electrode Assemblies in Buckling Test Under Humidity Cycles

Tomoaki Uchiyama, Manabu Kato, Yoshihiro Ikogi, Toshihiko Yoshida
Journal: Journal of Electrochemical Energy Conversion and Storage
Publisher: ASME
Article Type: Research-Article
J. Electrochem. En. Conv. Stor. December 2012, 9(6): 061005.
https://doi.org/10.1115/1.4007814
Published Online: November 16, 2012
View Article titled, Mechanical Degradation Mechanism of Membrane Electrode Assemblies in Buckling Test Under Humidity Cycles
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Topics: Buckling, Cycles, Finite element methods, Stress, Membrane electrode assemblies, Deformation, Fracture (Materials), Simulation