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Proceedings Papers

Design of an Environmental Barrier Coating Bond Strength Test Coupon

Jonathan A. Salem, Subodh K. Mital, Bryan J. Harder, Aaron C. Thompson
Proc. ASME. GT2023, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T02A011, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-104037
https://doi.org/10.1115/GT2023-104037
View Paper titled, Design of an Environmental Barrier Coating Bond Strength Test Coupon
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Topics: Bond strength, Coating processes, Coatings, Design, Oxidation, Ceramic matrix composites, Residual stresses, Silicon, Stress, Adhesives
Proceedings Papers

Experimental and Analytical Investigation of Cyclic Crack Initiation in Nickel Based Super Alloy With Stress Concentration Features

Alex Torkaman, Steve Fiebiger, Nathan O’Nora, Devin O’Neal, Ali Gordon
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT26A009, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59608
https://doi.org/10.1115/GT2021-59608
View Paper titled, Experimental and Analytical Investigation of Cyclic Crack Initiation in Nickel Based Super Alloy With Stress Concentration Features
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Topics: Alloys, Fracture (Materials), Nickel, Stress concentration, Turbine blades
Proceedings Papers

Test and Theory for a Refined Structural Model of a Hirth Coupling

Baik Jin Kim, Joseph Oh, Alan Palazzolo
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT28A005, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59970
https://doi.org/10.1115/GT2021-59970
View Paper titled, Test and Theory for a Refined Structural Model of a Hirth Coupling
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Topics: Algorithms, Compressors, Computation, Deformation, Finishes, Finite element analysis, Finite element methods, Force measurement, Geometry, Modal analysis
Proceedings Papers

Computational Model of Mechano-Electrochemical Effect of Aluminum Alloys Corrosion

Hessein Ali, Zachary Stein, Quentin Fouliard, Hossein Ebrahimi, Peter Warren, Seetha Raghavan, Ranajay Ghosh
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT26A011, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59681
https://doi.org/10.1115/GT2021-59681
View Paper titled, Computational Model of Mechano-Electrochemical Effect of Aluminum Alloys Corrosion
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Topics: Aluminum alloys, Computer simulation, Corrosion, Stress corrosion cracking, Aerospace industry, Aerospace systems, Aircraft, Alloys, Deformation, Electrochemistry
Proceedings Papers

Numerical Study of Welding Residual Stresses in Blisk Repairs by Patching

Ricarda Berger, Benedikt Hofmeister, Cristian G. Gebhardt, Raimund Rolfes
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT27A010, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14659
https://doi.org/10.1115/GT2020-14659
View Paper titled, Numerical Study of Welding Residual Stresses in Blisk Repairs by Patching
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Topics: Maintenance, Residual stresses, Welding, Blades, Stress, Compressors, Design, Computer simulation, Damage, Fatigue
Proceedings Papers

Structural Optimization of Fir-Tree Root and Groove for Turbine Blade With Superellipse and P-Norm Aggregation Function

Deqi Yu, Xiaojuan Zhang, Jiandao Yang, Kai Cheng, Ming Li
Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A032, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-92005
https://doi.org/10.1115/GT2019-92005
View Paper titled, Structural Optimization of Fir-Tree Root and Groove for Turbine Blade With Superellipse and P-Norm Aggregation Function
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Topics: Structural optimization, Turbine blades, Design, Optimization, Stress, Stress concentration, Failure, Gas turbines, Oscillations, Steam turbines
Proceedings Papers

Impact of Foreign Object Damage to Leading Edge on Fatigue Capability of CMC Turbine Vanes

Kenro Obuchi, Fumiaki Watanabe, Hiroshi Kuroki, Kazuyoshi Arai
Proc. ASME. GT2019, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T02A009, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90841
https://doi.org/10.1115/GT2019-90841
View Paper titled, Impact of Foreign Object Damage to Leading Edge on Fatigue Capability of CMC Turbine Vanes
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Topics: Ceramic matrix composites, Damage, Fatigue, Turbines, Coating processes, Coatings, High cycle fatigue, Oxidation, Stress concentration, Temperature
Proceedings Papers

Complex Design Method of Ceramic Blades and Metal Disk Connection

Dmitry Sapronov, Michael Mezencev, Telman Karimbaev, Sergey Reznik, Pavel Prosuntsov
Proc. ASME. GT2019, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T02A010, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90875
https://doi.org/10.1115/GT2019-90875
View Paper titled, Complex Design Method of Ceramic Blades and Metal Disk Connection
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Topics: Blades, Ceramics, Design methodology, Disks, Metals, Design, Diamonds, Fracture (Materials), Fracture (Process), Silicon
Proceedings Papers

Investigating Discrepancies in Vibration Bending Fatigue Behavior of Additively Manufactured Titanium 6Al-4V

Onome Scott-Emuakpor, Casey Holycross, Tommy George, Luke Sheridan, Emily Carper, Joseph Beck
Proc. ASME. GT2018, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T24A015, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75978
https://doi.org/10.1115/GT2018-75978
View Paper titled, Investigating Discrepancies in Vibration Bending Fatigue Behavior of Additively Manufactured Titanium 6Al-4V
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Topics: Additive manufacturing, Fatigue, Titanium, Vibration, Fatigue life, Stress, Uncertainty, Electromagnetic scattering, Density, Fracture (Materials)
Proceedings Papers

Acoustic Properties of Perforated Liners With Perpendicular Arrangements of Narrow Slots

François-Xavier Jetté, Ali Shanian, Megan Schaenzer, Minh Quan Pham, Geneviève Bourgeois, Mehran Farhangi, Fabian Sanchez, Matt Innes
Proc. ASME. GT2018, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A061, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75837
https://doi.org/10.1115/GT2018-75837
View Paper titled, Acoustic Properties of Perforated Liners With Perpendicular Arrangements of Narrow Slots
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Topics: Acoustical properties, Absorption, Dimensions, Acoustics, Airfoils, Cavities, Cooling, Flow (Dynamics), Geometry, Pressure drop
Proceedings Papers

An Optimization Design Platform for Fir-Tree Root and Groove for Steam Turbine

Deqi Yu, Xiaojun Zhang, Jiandao Yang, Kai Cheng, Weilin Shu, Kai Lv, Ming Li
Proc. ASME. GT2018, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A033, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76595
https://doi.org/10.1115/GT2018-76595
View Paper titled, An Optimization Design Platform for Fir-Tree Root and Groove for Steam Turbine
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Topics: Design, Optimization, Steam turbines, Blades, Geometry, Gas turbines, Stress concentration, B-splines, Combined cycle power stations, Genetic algorithms
Proceedings Papers

Design of an Air-Cooled Radial Turbine: Part 1 — Computational Modelling

Yang Zhang, Tomasz Duda, James A. Scobie, Carl M. Sangan, Colin D. Copeland, Alex Redwood
Proc. ASME. GT2018, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T26A013, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76378
https://doi.org/10.1115/GT2018-76378
View Paper titled, Design of an Air-Cooled Radial Turbine: Part 1 — Computational Modelling
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Topics: Design, Modeling, Turbine components, Turbines, Coolants, Rotors, Temperature, Blades, Computer simulation, Cooling
Proceedings Papers

Determining Stress in Turbocharger Impellers due to Component Machining Process

Simon M. Barrans, Md Shams E. Tabriz, Christian F. Ellis
Proc. ASME. GT2017, Volume 7A: Structures and Dynamics, V07AT30A006, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64412
https://doi.org/10.1115/GT2017-64412
View Paper titled, Determining Stress in Turbocharger Impellers due to Component Machining Process
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Topics: Impellers, Machining, Stress, Turbochargers, Wheels, Design, Geometry, Computer-aided design, Casting, Computerized tomography
Proceedings Papers

Multiscale Investigation of Strain Energy Density for Fatigue Life Prediction

Casey M. Holycross, Onome E. Scott-Emuakpor, Tommy J. George, M.-H. H. Shen
Proc. ASME. GT2017, Volume 7A: Structures and Dynamics, V07AT31A015, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64791
https://doi.org/10.1115/GT2017-64791
View Paper titled, Multiscale Investigation of Strain Energy Density for Fatigue Life Prediction
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Topics: Density, Fatigue life, Stress, Damage, Fatigue, Cycles, Dynamic testing (Materials), Elasticity, Feedback, Low cycle fatigue
Proceedings Papers

Finite Element Analysis of Thermal-Mechanical Behavior in the Thermal Barrier Coatings With Cooling Hole Structure

Jishen Jiang, Zhenwei Cai, Weizhe Wang, Yingzheng Liu
Proc. ASME. GT2017, Volume 6: Ceramics; Controls, Diagnostics and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T24A011, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63883
https://doi.org/10.1115/GT2017-63883
View Paper titled, Finite Element Analysis of Thermal-Mechanical Behavior in the Thermal Barrier Coatings With Cooling Hole Structure
Open the PDF for Finite Element Analysis of Thermal-Mechanical Behavior in the Thermal Barrier Coatings With Cooling Hole Structure in another window
Topics: Cooling, Finite element analysis, Thermal barrier coatings, Boundary-value problems, Design, Failure, Film cooling, Gas turbines, Geometry, Heat transfer coefficients
Proceedings Papers

Stress Corrosion Cracking in Steam Turbine: Two Case Studies

Vamadevan Gowreesan, Kirill Grebinnyk
Proc. ASME. GT2017, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T29A019, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63665
https://doi.org/10.1115/GT2017-63665
View Paper titled, Stress Corrosion Cracking in Steam Turbine: Two Case Studies
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Topics: Steam turbines, Stress corrosion cracking, Fracture (Materials), Fracture (Process), Disks, Blades, Steam, Failure, Stress, Fracture toughness
Proceedings Papers

Cracking Analysis of Intermediate Pressure Inlet Diffuser in 1000MW Steam Turbine Units

Gang Chen, Junhui Zhang, Xingzhu Ye, Chunlei Ma
Proc. ASME. GT2017, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T29A003, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63224
https://doi.org/10.1115/GT2017-63224
View Paper titled, Cracking Analysis of Intermediate Pressure Inlet Diffuser in 1000MW Steam Turbine Units
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Topics: Cracking (Materials), Diffusers, Fracture (Process), Pressure, Steam turbines, Fracture (Materials), Exhaust systems, Design, Steam, Temperature
Proceedings Papers

Parametrically Induced Damping in a Cracked Rotor

Zbigniew Kulesza, Jerzy T. Sawicki
Proc. ASME. GT2016, Volume 7A: Structures and Dynamics, V07AT32A033, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-58113
https://doi.org/10.1115/GT2016-58113
View Paper titled, Parametrically Induced Damping in a Cracked Rotor
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Topics: Damping, Rotors, Fracture (Materials), Excitation, Stiffness, Vibration, Accidents, Antiresonance, Crack detection, Damage
Proceedings Papers

A Reliable Transition Duct With Separation Planes for the Annular Combustor of GT13E2 Gas Turbine

Remigi Tschuor, Bogdan Trbojevic, Alen Markovic
Proc. ASME. GT2016, Volume 6: Ceramics; Controls, Diagnostics and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T21A009, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57627
https://doi.org/10.1115/GT2016-57627
View Paper titled, A Reliable Transition Duct With Separation Planes for the Annular Combustor of GT13E2 Gas Turbine
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Topics: Combustion chambers, Ducts, Gas turbines, Separation (Technology), Cooling, Design, Manufacturing, Deflection, Engines, Life cycle costing
Proceedings Papers

FE Analysis of the Effects of TGO Thickness and Interface Asperity on the Cracking Behavior Between the TGO and the Bond Coat

Jishen Jiang, Bingqian Xu, Weizhe Wang, Richard Amankwa Adjei, Xiaofeng Zhao, Yingzheng Liu
Proc. ASME. GT2016, Volume 7A: Structures and Dynamics, V07AT28A008, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56755
https://doi.org/10.1115/GT2016-56755
View Paper titled, FE Analysis of the Effects of TGO Thickness and Interface Asperity on the Cracking Behavior Between the TGO and the Bond Coat
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Topics: Cracking (Materials), Finite element analysis, Fracture (Process), Cooling, Fracture (Materials), Stress, Aluminum, Crack propagation, Engineering simulation, Geometry