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Proceedings Papers

Evaluation Method for Performance of SiC Power Module by Electro-Thermal-Anisotropic Stress Coupled Analysis

Mitsuaki Kato, Akihiro Goryu, Akira Kano, Kazuto Takao, Kenji Hirohata, Satoshi Izumi
Proc. ASME. IMECE2018, Volume 10: Micro- and Nano-Systems Engineering and Packaging, V010T13A001, November 9–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2018-86626
https://doi.org/10.1115/IMECE2018-86626
View Paper titled, Evaluation Method for Performance of SiC Power Module by Electro-Thermal-Anisotropic Stress Coupled Analysis
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Topics: Anisotropy, Evaluation methods, Stress, Circuits, Temperature, Electrical resistance, MOSFET transistors, Simulation, Electrical properties, Energy conversion
Proceedings Papers

Evaluation Method for Mechanical Stress Dependence of the Electrical Characteristics of SiC MOSFET for Electro-Thermal-Structural Coupled Analysis

Akihiro Goryu, Mitsuaki Kato, Akira Kano, Satoshi Izumi, Kenji Hirohata
Proc. ASME. IMECE2017, Volume 10: Micro- and Nano-Systems Engineering and Packaging, V010T13A019, November 3–9, 2017
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2017-72027
https://doi.org/10.1115/IMECE2017-72027
View Paper titled, Evaluation Method for Mechanical Stress Dependence of the Electrical Characteristics of SiC MOSFET for Electro-Thermal-Structural Coupled Analysis
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Topics: Evaluation methods, MOSFET transistors, Stress, Circuits, Tension, Compression, Metals, Simulation, Wire, Aluminum
Proceedings Papers

Development of Reliability Assessment Method for Piping Containing Local Metal Loss at Structure Discontinuity

Qiang Qu, Satoshi Izumi, Shinsuke Sakai
Proc. ASME. PVP2016, Volume 5: High-Pressure Technology; Rudy Scavuzzo Student Paper Symposium and 24th Annual Student Paper Competition; ASME Nondestructive Evaluation, Diagnosis and Prognosis Division (NDPD); Electric Power Research Institute (EPRI) Creep Fatigue Workshop, V005T09A027, July 17–21, 2016
Publisher: American Society of Mechanical Engineers
Paper No: PVP2016-63444
https://doi.org/10.1115/PVP2016-63444
View Paper titled, Development of Reliability Assessment Method for Piping Containing Local Metal Loss at Structure Discontinuity
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Topics: Metals, Pipes, Reliability, Pressure, Safety, Fitness-for-service, Strength (Materials), Corrosion, Event history analysis, Maintenance
Journal Articles

Onset of Wiggling in a Microscopic Patterned Structure Induced by Intrinsic Stress During the Dry Etching Process

Hiro Tanaka, Takahiro Hidaka, Satoshi Izumi, Shinsuke Sakai
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Research-Article
J. Appl. Mech. September 2014, 81(9): 091009.
Paper No: JAM-14-1143
https://doi.org/10.1115/1.4027914
Published Online: July 10, 2014
View Article titled, Onset of Wiggling in a Microscopic Patterned Structure Induced by Intrinsic Stress During the Dry Etching Process
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Topics: Buckling, Etching, Stress, Dry etching, Finite element methods, Modeling
Proceedings Papers

Applicability of FFS Assessment Using Partial Safety Factors Evaluated by Infinite Plate

Qiang Qu, Satoshi Izumi, Shinsuke Sakai
Proc. ASME. PVP2013, Volume 5: High-Pressure Technology; ASME NDE Division; Rudy Scavuzzo Student Paper Symposium, V005T11A014, July 14–18, 2013
Publisher: American Society of Mechanical Engineers
Paper No: PVP2013-97363
https://doi.org/10.1115/PVP2013-97363
View Paper titled, Applicability of FFS Assessment Using Partial Safety Factors Evaluated by Infinite Plate
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Topics: Fitness-for-service, Safety, Fracture (Materials), Concretes, Failure, Reliability, Sensitivity analysis, Simulation, Stress
Journal Articles

Sensitivity Analysis of Fitness-for-Service Assessment Based on Reliability for Cylindrical Pressure Vessels With Local Metal Loss

Takuyo Kaida, Satoshi Izumi, Shinsuke Sakai
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research-Article
J. Pressure Vessel Technol. December 2013, 135(6): 061202.
Paper No: PVT-13-1008
https://doi.org/10.1115/1.4024455
Published Online: September 18, 2013
View Article titled, Sensitivity Analysis of Fitness-for-Service Assessment Based on Reliability for Cylindrical Pressure Vessels With Local Metal Loss
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Topics: Failure, Fitness-for-service, Metals, Probability, Reliability, Pressure vessels, Corrosion, Sensitivity analysis
Proceedings Papers

Sensitivity Analysis of Fitness-For-Service Assessment Based on Reliability for Cylindrical Pressure Vessels With Local Metal Loss

Takuyo Kaida, Satoshi Izumi, Shinsuke Sakai
Proc. ASME. PVP2012, Volume 7: Operations, Applications and Components, 109-118, July 15–19, 2012
Publisher: American Society of Mechanical Engineers
Paper No: PVP2012-78348
https://doi.org/10.1115/PVP2012-78348
View Paper titled, Sensitivity Analysis of Fitness-For-Service Assessment Based on Reliability for Cylindrical Pressure Vessels With Local Metal Loss
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Topics: Fitness-for-service, Metals, Pressure vessels, Reliability, Sensitivity analysis, Probability, Collapse, Corrosion, Failure, Failure analysis
Proceedings Papers

Measurement of Three Dimensional Geometry of Creep Void and Grain Boundary With Combining 3D-EBSD Method and SEM Images

Kenta Yamagiwa, Satoshi Kataoka, Satoshi Izumi, Shinsuke Sakai
Proc. ASME. PVP2011, Volume 6: Materials and Fabrication, Parts A and B, 189-196, July 17–21, 2011
Publisher: American Society of Mechanical Engineers
Paper No: PVP2011-57641
https://doi.org/10.1115/PVP2011-57641
View Paper titled, Measurement of Three Dimensional Geometry of Creep Void and Grain Boundary With Combining 3D-EBSD Method and SEM Images
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Topics: Creep, Electron backscatter diffraction, Geometry, Grain boundaries, Damage, Shapes, Cavities, Nucleation (Physics), Polishing, Rotors
Proceedings Papers

A Reliability Based Contour Fatigue Design Approach for Nuclear Piping

Shinsuke Sakai, Masahiro Takanashi, Junki Maeda, Satoshi Izumi
Proc. ASME. PVP2011, Volume 3: Design and Analysis, 949-955, July 17–21, 2011
Publisher: American Society of Mechanical Engineers
Paper No: PVP2011-57416
https://doi.org/10.1115/PVP2011-57416
View Paper titled, A Reliability Based Contour Fatigue Design Approach for Nuclear Piping
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Topics: Fatigue design, Pipes, Reliability, Safety
Journal Articles

Design Evaluation Method for Random Fatigue Based on Spectrum Characteristics

Shinsuke Sakai, Satoshi Okajima, Satoshi Izumi, Naoto Kasahara
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research Papers
J. Pressure Vessel Technol. June 2012, 134(3): 031204.
https://doi.org/10.1115/1.4005874
Published Online: May 17, 2012
View Article titled, Design Evaluation Method for Random Fatigue Based on Spectrum Characteristics
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Topics: Design, Fatigue, Fatigue damage, Stress, Damage, Spectral energy distribution, Computer simulation, Waves, Steel
Proceedings Papers

The Reliability Investigation on the Assessment Criteria for Local Metal Loss Based on API 579-1/ASME FFS-1

Takuyo Kaida, Yuichi Mogami, Satoshi Izumi, Shinsuke Sakai
Proc. ASME. PVP2010, ASME 2010 Pressure Vessels and Piping Conference: Volume 7, 29-36, July 18–22, 2010
Publisher: American Society of Mechanical Engineers
Paper No: PVP2010-25120
https://doi.org/10.1115/PVP2010-25120
View Paper titled, The Reliability Investigation on the Assessment Criteria for Local Metal Loss Based on API 579-1/ASME FFS-1
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Topics: American Petroleum Institute, Fitness-for-service, Metals, Reliability, Safety, Modeling
Proceedings Papers

Design Evaluation Method for Random Fatigue Based on Spectrum Characteristics

Shinsuke Sakai, Satoshi Okajima, Satoshi Izumi, Naoto Kasahara
Proc. ASME. PVP2009, Volume 3: Design and Analysis, 301-307, July 26–30, 2009
Publisher: American Society of Mechanical Engineers
Paper No: PVP2009-77217
https://doi.org/10.1115/PVP2009-77217
View Paper titled, Design Evaluation Method for Random Fatigue Based on Spectrum Characteristics
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Topics: Design, Evaluation methods, Fatigue, Fatigue damage, Spectral energy distribution, Stress
Proceedings Papers

Analytical Modeling of the Transverse Load-Displacement Relation of a Bolted Joint With Consideration of the Mechanical Behavior on Contact Surfaces

Takashi Yokoyama, Satoshi Izumi, Shinsuke Sakai
Proc. ASME. PVP2009, Volume 5: High Pressure Technology; Nondestructive Evaluation Division; Student Paper Competition, 477-486, July 26–30, 2009
Publisher: American Society of Mechanical Engineers
Paper No: PVP2009-77612
https://doi.org/10.1115/PVP2009-77612
View Paper titled, Analytical Modeling of the Transverse Load-Displacement Relation of a Bolted Joint With Consideration of the Mechanical Behavior on Contact Surfaces
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Topics: Bolted joints, Displacement, Mechanical behavior, Modeling, Stress, Thread, Bearings, Finite element methods, Finite element model
Proceedings Papers

Direct Damage Evaluation Method for Thermal Fatigue Based on Power Spectrum Density Functions

Shinsuke Sakai, Kei Honda, Satoshi Okajima, Satoshi Izumi, Naoto Kasahara
Proc. ASME. PVP2007, Volume 3: Design and Analysis, 529-535, July 22–26, 2007
Publisher: American Society of Mechanical Engineers
Paper No: PVP2007-26168
https://doi.org/10.1115/PVP2007-26168
View Paper titled, Direct Damage Evaluation Method for Thermal Fatigue Based on Power Spectrum Density Functions
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Topics: Damage, Density, Evaluation methods, Fatigue, Fatigue damage
Proceedings Papers

Bayesian Inference Method for Failure Probability of Wall Thinning Pipe in Corrosion Rate Fluctuation Model

Satoshi Okajima, Satoshi Izumi, Shinsuke Sakai
Proc. ASME. PVP2008, Volume 1: Codes and Standards, 411-418, July 27–31, 2008
Publisher: American Society of Mechanical Engineers
Paper No: PVP2008-61457
https://doi.org/10.1115/PVP2008-61457
View Paper titled, Bayesian Inference Method for Failure Probability of Wall Thinning Pipe in Corrosion Rate Fluctuation Model
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Topics: Corrosion, Failure, Pipes, Probability, Errors, Inspection
Proceedings Papers

Loosening Resistance Evaluation of Double-Nut Tightening Method, Spring Washers, and Conical Spring Washers: Finite Element Study

Takashi Yokoyama, Satoshi Izumi, Shinsuke Sakai
Proc. ASME. PVP2008, Volume 2: Computer Applications/Technology and Bolted Joints, 227-235, July 27–31, 2008
Publisher: American Society of Mechanical Engineers
Paper No: PVP2008-61345
https://doi.org/10.1115/PVP2008-61345
View Paper titled, Loosening Resistance Evaluation of Double-Nut Tightening Method, Spring Washers, and Conical Spring Washers: Finite Element Study
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Topics: Finite element analysis, Springs, Bearings, Finite element methods, Corners (Structural elements), Rotation
Proceedings Papers

Application of a Multi-Objective Optimization to Risk-Based Inservice Testing

Juksanee Virulsri, Shinsuke Sakai, Satoshi Izumi, Atsushi Iwasaki
Proc. ASME. PVP2004, Risk and Reliability and Evaluation of Components and Machinery, 19-26, July 25–29, 2004
Publisher: American Society of Mechanical Engineers
Paper No: PVP2004-3000
https://doi.org/10.1115/PVP2004-3000
View Paper titled, Application of a Multi-Objective Optimization to Risk-Based Inservice Testing
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Topics: In-service testing, Maintenance, Pareto optimization, Risk, Surveillance
Proceedings Papers

Comparison of J-Integral Values and J-R Curves Between Carbon Steel Compact Tension Specimen and Pipe Specimen

Masahiro Takanashi, Satoshi Izumi, Shinsuke Sakai, Naoki Miura
Proc. ASME. PVP2004, RPV Integrity and Fracture Mechanics, 71-75, July 25–29, 2004
Publisher: American Society of Mechanical Engineers
Paper No: PVP2004-2727
https://doi.org/10.1115/PVP2004-2727
View Paper titled, Comparison of J-Integral Values and J-R Curves Between Carbon Steel Compact Tension Specimen and Pipe Specimen
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Topics: Carbon steel, Pipes, Tension, Fracture (Materials), Fracture toughness, Finite element analysis
Proceedings Papers

Application of Hot Hardness Test to the Evaluation of Creep Damage in Cr-Mo-V Turbine Rotor of Fossil Power Plant

Shinsuke Sakai, Satoshi Izumi, Takashi Murakami, Akito Nitta, Junichi Kusumoto, Yu Watanabe
Proc. ASME. PVP2004, Aging Management and License Renewal, 189-194, July 25–29, 2004
Publisher: American Society of Mechanical Engineers
Paper No: PVP2004-2984
https://doi.org/10.1115/PVP2004-2984
View Paper titled, Application of Hot Hardness Test to the Evaluation of Creep Damage in Cr-Mo-V Turbine Rotor of Fossil Power Plant
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Topics: Constitutive equations, Creep, Damage, Fossil fuels, Rotors, Turbines
Proceedings Papers

Fatigue Damage Evaluation for Thermal Striping Phenomena Using Analytical Spectrum Method

Satoshi Okajima, Shinsuke Sakai, Satoshi Izumi, Atsushi Iwasaki, Naoto Kasahara
Proc. ASME. PVP2005, Volume 5: High Pressure Technology, Nondestructive Evaluation, Pipeline Systems, Student Paper Competition, 245-249, July 17–21, 2005
Publisher: American Society of Mechanical Engineers
Paper No: PVP2005-71682
https://doi.org/10.1115/PVP2005-71682
View Paper titled, Fatigue Damage Evaluation for Thermal Striping Phenomena Using Analytical Spectrum Method
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Topics: Fatigue damage, Design, Stress, Analytical methods, Fluids, Cycles, Damage, Density, Heat conduction, Heat transfer