Topics: Ceramic matrix composites , Design , Engines , Testing , Turbines , Aircraft engines , Deformation , Fracture (Materials) , Gas turbines , Industrial gases

Delamination Fracture in Ceramic Matrix Composites: From Coupons to Components

Rajesh S. Kumar, Matthew Mordasky, Greg Ojard

GT 2018; V006T02A003doi:https://doi.org/10.1115/GT2018-75571

Abstract

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Topics: Ceramic matrix composites , Delamination , Fracture (Materials) , Modeling , Cantilever beams , Computer simulation , Finite element analysis , Fracture toughness , Geometry , Stress

Detection of Strain and Damage Distribution in SiC_f/SiC Mechanical Test Coupons

Christopher D. Newton, J. Paul Jones, Louise Gale, Martin R. Bache

GT 2018; V006T02A004doi:https://doi.org/10.1115/GT2018-75791

Abstract

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Topics: Damage , Mechanical testing , Ceramic matrix composites , Deformation , Acoustic emissions , Architecture , Composite materials , Computerized tomography , Design , Electrical resistance

In-Situ Assessment of Fracture in SiC_f/SiC Under Computed X-Ray Tomography

M. R. Bache, P. I. Nicholson, E. Williams

GT 2018; V006T02A005doi:https://doi.org/10.1115/GT2018-75795

Abstract

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Topics: Ceramic matrix composites , Computerized tomography , Damage , Failure mechanisms , Fibers , Fracture (Materials) , Fracture (Process) , Inspection , Mechanical behavior , Scanning electron microscopy

Multi-Lead Direct Current Potential Drop (DCPD) for In-Situ Health Monitoring of Ceramic Matrix Composites

Yogesh P. Singh, Michael J. Presby, Kannan Manigandan, Gregory N. Morscher

GT 2018; V006T02A006doi:https://doi.org/10.1115/GT2018-75803

Abstract

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Topics: Ceramic matrix composites , Damage , Fatigue , Acoustic emissions , Composite materials , Failure , Fracture (Materials) , Nondestructive evaluation , Stress , Temperature

Erosion in Gas-Turbine Grade Ceramic Matrix Composites (CMCs)

N. Kedir, C. Gong, L. Sanchez, M. J. Presby, S. Kane, D. C. Faucett, S. R. Choi

GT 2018; V006T02A007doi:https://doi.org/10.1115/GT2018-75827

Abstract

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Topics: Ceramic matrix composites , Erosion , Gas turbines , Damage , Silicon , Ceramics , Density , Elastic moduli , Optical microscopy , Temperature

Life-Limiting Behavior of an Oxide/Oxide Ceramic Matrix Composite at Elevated Temperature Subject to Foreign Object Damage

Michael J. Presby, Nesredin Kedir, Luis J. Sanchez, D. Calvin Faucett, Sung R. Choi, Gregory N. Morscher

GT 2018; V006T02A008doi:https://doi.org/10.1115/GT2018-75852

Abstract

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Topics: Composite materials , Damage , Oxide ceramics , Temperature , Tensile strength , Ceramic matrix composites , Stress , Computerized tomography , Failure , Fracture (Materials)

Impact Test for the Leading Edge of CMC Vane Based on Actual Aircraft Engine Field Data

Kenro Obuchi, Fumiaki Watanabe, Hiroshi Kuroki, Hiroyuki Yagi, Kazuyoshi Arai

GT 2018; V006T02A009doi:https://doi.org/10.1115/GT2018-76116

Abstract

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Topics: Aircraft engines , Ceramic matrix composites , Impact testing , Turbines , Damage , Alloys , Metals , Nickel , Temperature , Weight (Mass)

Constituent Development for Higher-Temperature Capable Ceramic Matrix Composites

M. K. Cinibulk, Z. D. Apostolov, E. E. Boakye, T. S. Key, D. S. King

GT 2018; V006T02A010doi:https://doi.org/10.1115/GT2018-76835

Abstract

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Topics: Ceramic matrix composites , Temperature , Fibers , Oxidation , Creep , Gas turbines , Rupture , Stress

Investigation of Vanadium Carbide Reinforced CMC for Gas Turbine Stator

S. Ram Kumar, Vikram Ramanan

GT 2018; V006T02A011doi:https://doi.org/10.1115/GT2018-76872

Abstract

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Topics: Ceramic matrix composites , Gas turbines , Stators , Temperature , Composite materials , Turbines , Fibers , High pressure (Physics) , Melting point , Silicon

Investigating Load Transfer in Ceramic Reinforcements

Peter Warren, Ranajay Ghosh, Sanjida Jahan, Seetha Raghavan

GT 2018; V006T02A012doi:https://doi.org/10.1115/GT2018-77068

Abstract

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Topics: Ceramics , Stress , Particulate matter , Composite materials , Ceramic composites , Simulation , Design , Engines , Finite element analysis , Fuel efficiency

Crack Growth Resistance of Ceramic Matrix Composites and Anisotropic Stiffness Prediction/Measurement

Cody Godines, Saber DorMohammadi, Jalees Ahmad, Rabih Mansour, Gregory N. Morscher, Sung Choi, Frank Abdi

GT 2018; V006T02A013doi:https://doi.org/10.1115/GT2018-77133

Abstract

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Topics: Anisotropy , Ceramic matrix composites , Fracture (Materials) , Stiffness , Damage , Failure , Simulation , Temperature , Wedges , Acoustic emissions

Development of ASTM Test Standards for the Mode I Interlaminar Fracture Toughness (G_Ic--Crack Growth Resistance) of Ceramic Matrix Composites

Frank Abdi, Jalees Ahmad, Saber DorMohammadi, Cody Godines, Stephen Gonczy, Rabih Mansour, Gregory N. Morscher, Sung Choi, Jun Shi, Greg Ojard

GT 2018; V006T02A014doi:https://doi.org/10.1115/GT2018-77147

Abstract

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Topics: ASTM International , Ceramic matrix composites , Fracture (Materials) , Fracture toughness , High temperature , Wedges , Aircraft , Alloys , Bonding , Cantilever beams

NASA Transformational Tools and Technologies Project: 2700°F CMC/EBC Technology Challenge

Janet Hurst

GT 2018; V006T02A015doi:https://doi.org/10.1115/GT2018-77282

Abstract

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Topics: Ceramic matrix composites , NASA , Testing , Durability , Engines , Gas turbines , High temperature materials , Thermomechanics , Aeronautics , Aircraft

Controls, Diagnostics, and Instrumentation

Transient Performance of Separated Flows: Characterization and Active Flow Control

J. Saavedra, G. Paniagua

GT 2018; V006T05A001doi:https://doi.org/10.1115/GT2018-75128

Abstract

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Topics: Flow (Dynamics) , Flow control , Transients (Dynamics) , Pressure , Separation (Technology) , Boundary layers , Turbines , Actuators , Bubbles , Computer simulation

Gas Turbine Bearing Wear Monitoring Method Based on Magnetic Plug Inductance Sensor

Yunpeng Cao, Rui Liu, Jianwei Du, Fang Yu, Qingcai Yang, Yinghui He, Shuying Li

GT 2018; V006T05A002doi:https://doi.org/10.1115/GT2018-75224

Abstract

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Topics: Bearings , Gas turbines , Sensors , Wear , Lubricating oils , Signals , Wear testing , Artificial neural networks , Databases , Errors

Automated Gas Turbine Sensor Fault Diagnostics

Gbanaibolou Jombo, Yu Zhang, Jonathan David Griffiths, Tony Latimer

GT 2018; V006T05A003doi:https://doi.org/10.1115/GT2018-75229

Abstract

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Topics: Gas turbines , Sensors , Signals , Discrete wavelet transforms , Failure , Flaw detection , Testing , Transients (Dynamics) , Wavelets

Estimating Recoverable Performance Degradation Rates and Optimizing Maintenance Scheduling

Cody W. Allen, Chad M. Holcomb, Mauricio de Oliveira

GT 2018; V006T05A004doi:https://doi.org/10.1115/GT2018-75267

Abstract

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Topics: Maintenance , Algorithms , Compressors , Gas turbines , Optimization , Blades , Cooling , Heat exchangers , Simulation , Statistical distributions

Selecting Optimal Features for Cross-Fleet Analysis and Fault Diagnosis of Industrial Gas Turbines

Yu Zhang, Miguel Martínez-García, Anthony Latimer

GT 2018; V006T05A005doi:https://doi.org/10.1115/GT2018-75286

Abstract

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Topics: Fault diagnosis , Industrial gases , Turbines , Engines , Feature selection , Sensors , Thermocouples , Algorithms , Ducts , Signals

Wall Temperature Measurements in Gas Turbine Combustors With Thermographic Phosphors

Patrick Nau, Zhiyao Yin, Oliver Lammel, Wolfgang Meier

GT 2018; V006T05A006doi:https://doi.org/10.1115/GT2018-75293

Abstract

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Topics: Combustion chambers , Gas turbines , Phosphors , Wall temperature , Flames , Temperature , Temperature measurement , Atmospheric pressure , Boundary-value problems , Ceramics

Fuel Injection Control for a Valve Array in a Shockless Explosion Combustor

Jan-Simon Schäpel, Rudibert King, Fatma Yücel, Fabian Völzke, Christian Oliver Paschereit, Rupert Klein

GT 2018; V006T05A007doi:https://doi.org/10.1115/GT2018-75295

Abstract

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Topics: Combustion chambers , Explosions , Fuels , Valves , Combustion , Ignition , Resonance , Proportional valves , Solenoids , Arches

An Efficient Transient Simulation Method for a Volume Dynamics Model

Masahiro Kurosaki, Minoru Sasamoto, Kentaro Asaka, Keiko Nakamura, Daiki Kakiuchi

GT 2018; V006T05A008doi:https://doi.org/10.1115/GT2018-75353

Abstract

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Topics: Dynamics (Mechanics) , Simulation , Transients (Dynamics) , Compressors , Engines , Eigenvalues , Flow (Dynamics) , Gas turbines , Geometry , Jacobian matrices

A Two-Layer Multi-Model Gas Path Fault Diagnosis Method

Yunpeng Cao, Yinghui He, Fang Yu, Jianwei Du, Shuying Li, Qingcai Yang, Rui Liu

GT 2018; V006T05A009doi:https://doi.org/10.1115/GT2018-75368

Abstract

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Topics: Fault diagnosis , Flaw detection , Gas turbines , Algorithms , Simulation , Artificial neural networks , Probability , Statistics

Analysis of Performance of a Twin-Shaft Gas Turbine During Hot-End Damage in the Gas Generator Turbine

Samuel Cruz-Manzo, Sepehr Maleki, Vili Panov, Festus Agbonzikilo, Yu Zhang, Anthony Latimer

GT 2018; V006T05A010doi:https://doi.org/10.1115/GT2018-75374

Abstract

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Topics: Damage , Gas turbines , Generators , Turbines , Flow (Dynamics) , Energy generation , Industrial gases , Pressure , Temperature , Thermodynamics

Automated Condition Evaluation of Hot-Gas Path Components of Jet Engines Through Exhaust Jet Analysis

Ulrich Hartmann, Joerg R. Seume

GT 2018; V006T05A011doi:https://doi.org/10.1115/GT2018-75384

Abstract

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Topics: Exhaust systems , Jet engines , Density , Algorithms , Support vector machines , Aircraft engines , Blades , Computational fluid dynamics , Engineering simulation , Film cooling

Fuzzy Analytic Hierarchy Process Evaluation Method of Gas Turbine Based on Health Degree

Yunpeng Cao, Pan Hu, Qingcai Yang, Yinghui He, Shuying Li, Fang Yu, Jianwei Du

GT 2018; V006T05A012doi:https://doi.org/10.1115/GT2018-75492

Abstract

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Topics: Evaluation methods , Gas turbines , Service life (Equipment) , Algorithms , Density , Probability , Propulsion , Simulation

Intelligent Reasoning for Gas Turbine Fault Isolation and Ambiguity Resolution

Liang Tang, Allan J. Volponi

GT 2018; V006T05A013doi:https://doi.org/10.1115/GT2018-75540

Abstract

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Topics: Ambiguity , Gas turbines , Resolution (Optics) , Engines , Flight , Maintenance , Computer software , Data acquisition , Engineering prototypes , Expert systems

Verification and Design of High Precision Eddy Current Sensor for Tip Clearance Measurement

Ziyu Zhao, Zhenxia Liu, Yaguo Lyu, Xinxin Xu

GT 2018; V006T05A014doi:https://doi.org/10.1115/GT2018-75643

Abstract

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Topics: Clearances (Engineering) , Design , Eddies (Fluid dynamics) , Eddy currents (Electricity) , Sensors , Resolution (Optics) , Turbines , Aircraft engines , Calibration , Excitation

Linear Grey-Box Modeling of Gas Turbine Engines for MIMO Control Design

Robert H. Moroto, Robert R. Bitmead, Amit Pandey

GT 2018; V006T05A015doi:https://doi.org/10.1115/GT2018-75847

Abstract

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Topics: Design , Gas turbines , Modeling , Engines , Dynamic models , Inertia (Mechanics) , Optimization algorithms , Rotors , Transients (Dynamics)

Model Predictive Control for Gas Turbine Engines

Amit Pandey, Maurício de Oliveira, Robert H. Moroto

GT 2018; V006T05A016doi:https://doi.org/10.1115/GT2018-75860

Abstract

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Topics: Gas turbines , Predictive control , Control equipment , Simulation , Stress , Turbines , Air flow , Design , Fuels , Simulation results

Fault Diagnosis Method for Inter-Shaft Bearings Based on Information Exergy and Random Forest

Jing Tian, Yanting Ai, Ming Zhao, Chengwei Fei, Fengling Zhang

GT 2018; V006T05A017doi:https://doi.org/10.1115/GT2018-76101

Abstract

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Topics: Bearings , Exergy , Fault diagnosis , Signals , Wavelets , Acoustic emissions

Towards an Improved Lifing Methodology for Thermocouple Probes Used in Gas Turbines

Michele Scervini, Catherine Rae, Richard Page, Mark Rudkin, Daniel Loveless, Stephen O’Dell

GT 2018; V006T05A018doi:https://doi.org/10.1115/GT2018-76221

Abstract

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Topics: Gas turbines , Probes , Thermocouples , Temperature , Engines , Sensors , Advanced materials , Combustion chambers , Metallurgical analysis , Reliability

Dynamic Modelling and Control of a Compressor Using Chebyshev Polynomial Approximation

Marta Zagorowska, Nina Thornhill, Charlotte Skourup

GT 2018; V006T05A019doi:https://doi.org/10.1115/GT2018-76399

Abstract

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Topics: Compressors , Dynamic modeling , Polynomial approximation , Approximation , Polynomials , Geometry , Modeling , Physical laws , Surges , Tradeoffs

Measurement and Evaluation of Shaft Torsional Vibrations Using Shaft Instantaneous Angular Velocity

Jindrich Liska, Jan Jakl, Sven Kunkel

GT 2018; V006T05A020doi:https://doi.org/10.1115/GT2018-76406

Abstract

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Topics: Vibration , Probes , Sensors , Turbines , Electricity (Physics) , Failure , Fluctuations (Physics) , Generators , Geometry , Resolution (Optics)

Fleet Monitoring and Diagnostics Framework Based on Digital Twin of Aero-Engines

Valentina Zaccaria, Mikael Stenfelt, Ioanna Aslanidou, Konstantinos G. Kyprianidis

GT 2018; V006T05A021doi:https://doi.org/10.1115/GT2018-76414

Abstract

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Topics: Aircraft , Aircraft engines , Engines , Failure , Flaw detection , Flight , Fuel consumption , Machine learning , Maintenance , Physics

A Comparative Study of Data and Physically Based Gas Turbine Modeling for Long-Term Monitoring Scenarios: Part I — Thermodynamic Performance Prediction Without Design Information

Thomas Bexten, Moritz Lipperheide, Manfred Wirsum, Liu Pei, Li Zheng

GT 2018; V006T05A022doi:https://doi.org/10.1115/GT2018-76630

Abstract

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Topics: Design , Gas turbines , Modeling , Stress , Boundary-value problems , Combined cycle power stations , Heat , Multilayer perceptron , Neural network models , Renewable energy

Evaluation of Aircraft Engine Diagnostic Methods Through ProDiMES

Orestis A. Koskoletos, Nikolaos Aretakis, Alexios Alexiou, Christoforos Romesis, Konstantinos Mathioudakis

GT 2018; V006T05A023doi:https://doi.org/10.1115/GT2018-76647

Abstract

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Topics: Aircraft engines , Computer software , Actuators , Engines , Gas turbines , Performance evaluation , Propulsion , Sensors , Turbofans , Turbomachinery

A Comparative Study of Data and Physically Based Gas Turbine Modeling for Long-Term Monitoring Scenarios: Part II — Emission Prediction Utilizing Different Levels of Design Information

Moritz Lipperheide, Thomas Bexten, Manfred Wirsum, Martin Gassner, Stefano Bernero

GT 2018; V006T05A024doi:https://doi.org/10.1115/GT2018-76650

Abstract

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Topics: Design , Emissions , Gas turbines , Modeling , Artificial neural networks , Engines , Computer software , Manufacturing , Model development , Nitrogen oxides

Blade Vibration Monitoring in a Low-Pressure Steam Turbine

Radosław Przysowa

GT 2018; V006T05A025doi:https://doi.org/10.1115/GT2018-76657

Abstract

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Topics: Blades , Pressure , Steam turbines , Vibration , Algorithms , Coal power , Computer software , Data acquisition , Deflection , Embedded systems

Near-Wing Multi-Sensor Diagnostics of Jet Engine Components

W. Frackowiak, S. Barton, W. Reimche, O. Bruchwald, D. Zaremba, J. Schlobohm, Y. Li, M. Kaestner, E. Reithmeier

GT 2018; V006T05A026doi:https://doi.org/10.1115/GT2018-76793

Abstract

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Topics: Jet engines , Sensors , Wings , Engines , Inspection , Maintenance , Aircraft , Measurement systems , Blades , Coating processes

A Benchmarking Analysis of a Data-Driven Gas Turbine Diagnostic Approach

Igor Loboda, Juan Luis Pérez-Ruiz, Sergiy Yepifanov

GT 2018; V006T05A027doi:https://doi.org/10.1115/GT2018-76887

Abstract

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Topics: Gas turbines , Algorithms , Flaw detection , Engines , Feature extraction , Aircraft engines , Computer software , Monitoring systems , Pattern recognition , Polynomials

Engine-Scalable Rotor Casing Convective Heat Flux Evaluation Using Inverse Heat Transfer Methods

David G. Cuadrado, Francisco Lozano, Valeria Andreoli, Guillermo Paniagua

GT 2018; V006T05A028doi:https://doi.org/10.1115/GT2018-76906

Abstract

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Topics: Engines , Heat flux , Heat transfer , Rotors , Temperature , Boundary-value problems , Dimensionless numbers , Exterior walls , Filters , Geometry

Real Time Gas Turbine Engine Particulate Ingestion Sensor for Particle Size and Composition

George Papadopoulos, Daniel Bivolaru, Jiaji Lin

GT 2018; V006T05A029doi:https://doi.org/10.1115/GT2018-77137

Abstract

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Topics: Gas turbines , Particle size , Particulate matter , Sensors , Engines , Flight , Turbine components , Aircraft , Aluminum , Blades

LPV Based Sliding Mode Control for Limit Protection of Aircraft Engines

Shubo Yang, Xi Wang

GT 2018; V006T05A030doi:https://doi.org/10.1115/GT2018-77236

Abstract

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Topics: Aircraft engines , Sliding mode control , Control equipment , Design , Stability , Closed loop systems , Engines , Gain scheduling , Aerospace industry , Control systems

Education

Exergy Loss Considerations in Education for a Turbofan Power Cycle

Hans E. Wettstein

GT 2018; V006T07A001doi:https://doi.org/10.1115/GT2018-75048

Abstract

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Topics: Education , Exergy , Thermodynamic power cycles , Turbofans , Cycles , Heat , Simulation , Design , Energy resources , Entropy

Integration of Helicopter Annular Combustion Chamber Rig in Propulsion Systems Course for Graduate Students

I. Al-Asmi, A. Vandel, G. Cabot, F. Grisch, V. Moureau, N. Savary, S. Richard, B. Renou

GT 2018; V006T07A002doi:https://doi.org/10.1115/GT2018-75610

Abstract

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Topics: Combustion chambers , Graduate students , Propulsion systems , Students , Engines , Education , Flow (Dynamics) , Instrumentation , Test facilities , Air flow

Using Mobile Quiz Application to Enhance Learning in Combustion Kinetics Course for Students of Mechanical Engineering and Transport Systems

Neda Djordjevic

GT 2018; V006T07A003doi:https://doi.org/10.1115/GT2018-76918

Abstract

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Topics: Combustion , Mechanical engineering , Students , Chemistry

Teaching Gas Turbine Technology to Undergraduate Students in Sweden

Ioanna Aslanidou, Valentina Zaccaria, Evangelia Pontika, Nathan Zimmerman, Anestis I. Kalfas, Konstantinos G. Kyprianidis

GT 2018; V006T07A004doi:https://doi.org/10.1115/GT2018-77074

Abstract

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Topics: Gas turbines , Teaching , Undergraduate students , Students , Design , Education , Energy / power systems , Combined cycles , Cycles , Engines

Computational Aid to AEDsys for Designing a Variable-Area Gas Turbine Nozzle

Devin O. O’Dowd, Aaron R. Byerley

GT 2018; V006T07A005doi:https://doi.org/10.1115/GT2018-77173

Abstract

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Topics: Design , Gas turbines , Nozzles , Computer software , Aircraft engines , Air Force , Engine design , Feedback , Flight , Geometry

Manufacturing Materials and Metallurgy

Effects of Phase Contents in Feedstock Powder and Methods of Thermal Shock Test on Lifetime of Thermal Barrier Coatings

Kwangyong Park, Byungil Yang, Insoo Kim, Kyungic Jang, Sangwon Myoung, Chanyoung Park, Andrea Scrivani

GT 2018; V006T24A001doi:https://doi.org/10.1115/GT2018-75045

Abstract

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Topics: Feedstock , Thermal barrier coatings , Thermal shock , Cycles , Durability , Phase transitions , Plasma spraying , Testing , Coating processes , Coatings

Isothermal Oxidation of René N5 at 1150°C

Megan Walker, Xiao Huang

GT 2018; V006T24A002doi:https://doi.org/10.1115/GT2018-75078

Abstract

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Topics: Oxidation , Spallation (Nuclear physics) , Crystals , Superalloys

Assessing the Feasibility of Micro-Plasma Technology for Additive Manufacturing

Jason Nagy, Xiao Huang

GT 2018; V006T24A003doi:https://doi.org/10.1115/GT2018-75119

Abstract

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Topics: Additive manufacturing , Plasmas (Ionized gases) , Wire , Wear , Ductility , Fracture (Materials) , Tensile strength , Anisotropy , Boundary layers , Disks

Assessment of Different Technology Chains for Fir Tree Manufacturing: A Case Study

Fritz Klocke, Martin Seimann, Marvin Binder, Benjamin Doebbeler

GT 2018; V006T24A004doi:https://doi.org/10.1115/GT2018-75190

Abstract

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Topics: Chain , Manufacturing , Boundary-value problems , Milling , Shapes , Ceramics , Disks , Machining , Manufacturing technology , Turbine blades

Machine Learning for Alloy Composition and Process Optimization

Julia Ling, Erin Antono, Saurabh Bajaj, Sean Paradiso, Maxwell Hutchinson, Bryce Meredig, Brenna M. Gibbons

GT 2018; V006T24A005doi:https://doi.org/10.1115/GT2018-75207

Abstract

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Topics: Alloys , Machine learning , Optimization , Design , Shape memory alloys , Uncertainty , Aluminum alloys , Decision making , Errors , Mechanical properties

Effect of Prior Creep Strain on High Cycle Fatigue Life of Ti 834

Xijia Wu, Dongyi Seo, Marc Head, Stephen Chan

GT 2018; V006T24A006doi:https://doi.org/10.1115/GT2018-75259

Abstract

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Topics: Creep , High cycle fatigue , Damage , Failure , Fatigue , Fatigue cracks , Fatigue life , Fatigue testing , Fractography , Fracture (Materials)

Linking MRO to Prognosis Based Health Management Through Physics-of-Failures Understanding

Prakash Patnaik, Xijia Wu

GT 2018; V006T24A007doi:https://doi.org/10.1115/GT2018-75395

Abstract

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Topics: Failure , Physics , Maintenance , Failure mechanisms , Creep , Engines , Fatigue , Condition monitoring , Databases , High cycle fatigue

Characterizing Static and Dynamic Mechanical Properties for Additive Manufactured ULTEM 9085 Used to Construct Flow Control Devices for Turbomachinery Applications

Khang D. Pham, Walter F. O’Brien, Scott W. Case

GT 2018; V006T24A008doi:https://doi.org/10.1115/GT2018-75430

Abstract

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Topics: Additive manufacturing , Flow control , Mechanical properties , Turbomachinery , Stress , Fatigue life , ASTM International , Fatigue properties , Tension , Extruding

Mechanical Properties in GTD-111 Alloy in Heavy Frame Gas Turbines

John R. Scheibel, Rajeev Aluru, Hans van Esch

GT 2018; V006T24A009doi:https://doi.org/10.1115/GT2018-75432

Abstract

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Topics: Alloys , Gas turbines , Mechanical properties , Heat , Maintenance , Manufacturing , Creep , Damage , Energy generation , Fatigue

Analysis of Parameters Influencing Build Accuracy of a SLM Printed Compressor Outlet Guide Vane

Adetayo Otubusin, Paul Wood, John Appleby, Rafael Adamczuk

GT 2018; V006T24A010doi:https://doi.org/10.1115/GT2018-75548

Abstract

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Topics: Compressors , Guide vanes , Additive manufacturing , Airfoils , Alloys , Computer-aided design , Design , Flanges , Jet engines , Lasers

An Experimental Study for the Development of Mandrel-Free Hot-Spinning for Large Size Titanium Alloy Plate Forming

Yoshihide Imamura, Ken Ikawa, Kojiro Motoyama, Hayato Iwasaki, Takeo Hirakawa, Hiroshi Utsunomiya

GT 2018; V006T24A011doi:https://doi.org/10.1115/GT2018-75588

Abstract

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Topics: Spin (Aerodynamics) , Spinning (Textile) , Titanium alloys , Shapes , Alloys , Fatigue , Forming techniques , Materials properties , Mechanical properties , Preforms

Development of Blade Tip Repair for SGT-700 Turbine Blade Stage 1, With Oxidation Resistant Weld Alloy

Dikran A. Barhanko, Niclas R. Åberg, Olov H. Andersson

GT 2018; V006T24A012doi:https://doi.org/10.1115/GT2018-75696

Abstract

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Topics: Alloys , Blades , Maintenance , Oxidation , Turbine blades , Electrical discharge machining , Air flow , Coating processes , Coatings , Cooling

Advanced Welding Materials and Technologies for Repair of Turbine Engine Components Manufactured of High Gamma Prime Nickel Based Superalloys

Alexandre Gontcharov, Yuan Tian, Paul Lowden, Robert Tollett, Mathieu Brochu

GT 2018; V006T24A013doi:https://doi.org/10.1115/GT2018-75862

Abstract

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Topics: Gas turbines , Maintenance , Nickel , Superalloys , Welding , Alloys , Blades , Boron , Low temperature , Melting

Mechanical Properties and Structure of Laser Beam and Wide Gap Brazed Joints Produced Using Mar M247-Amdry DF3 Powders

Alexandre Gontcharov, Yuan Tian, Paul Lowden, Mathieu Brochu

GT 2018; V006T24A014doi:https://doi.org/10.1115/GT2018-75870

Abstract

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Topics: Laser beams , Mechanical properties , Brazing , Additive manufacturing , Cladding systems (Building) , Maintenance , Precipitation , Precipitation hardening , Superalloys , Welded joints

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

GT 2018; V006T24A015doi:https://doi.org/10.1115/GT2018-75978

Abstract

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Topics: Additive manufacturing , Fatigue , Titanium , Vibration , Fatigue life , Stress , Uncertainty , Electromagnetic scattering , Density , Fracture (Materials)

Development of ODS Coating for High Temperature Turbine Components Using DED Additive Manufacturing

Eric Chia, Bruce S. Kang, Min Zheng, Yang Li, Minking Chyu

GT 2018; V006T24A016doi:https://doi.org/10.1115/GT2018-76274

Abstract

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Topics: Additive manufacturing , Coating processes , Coatings , High temperature , Turbine components , Cycles , Bonding , Cooling , Failure , Gas turbines

Technology-Based Re-Contouring of Blade Integrated Disks After Weld Repair

B. Denkena, A. Mücke, T. Schumacher, D. Langen, T. Hassel

GT 2018; V006T24A017doi:https://doi.org/10.1115/GT2018-76364

Abstract

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Topics: Blades , Disks , Maintenance , Milling , Shapes , Chain , Damage , Deflection , Gas tungsten arc welding , Grinding

Influence of Top Coat and Bond Coat Pre-Oxidation on the Corrosion Resistance of Thermal Barrier Coatings in the Presence of SO₂

Krishna Praveen Jonnalagadda, Kang Yuan, Xin-Hai Li, Xiaojuan Ji, Yueguang Yu, Ru Lin Peng

GT 2018; V006T24A018doi:https://doi.org/10.1115/GT2018-76412

Abstract

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Topics: Corrosion resistance , Oxidation , Thermal barrier coatings , Corrosion , Coatings , Damage , Overlays (Materials engineering) , Architecture , Failure , Fuels

Development and Material Characterization of an Additively Manufactured Nickel Alloy for Turbine Applications

David Day, Edwin Kawecki, Joshua R. McNally, Thomas J. Rosenbarger

GT 2018; V006T24A019doi:https://doi.org/10.1115/GT2018-76614

Abstract

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Topics: Additive manufacturing , Nickel alloys , Turbines , Design , Hardware , Manufacturing , Nickel , Cracking (Materials) , Creep , Failure

A Framework for Life Prediction of 2.25Cr-1Mo Under Creep and Thermomechanical Fatigue

Firat Irmak, Ali P. Gordon

GT 2018; V006T24A020doi:https://doi.org/10.1115/GT2018-76669

Abstract

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Topics: Creep , Fatigue , Thermomechanics , Damage , Temperature , Databases , Failure , Alloy steel , Alloys , Boilers

Additive Manufacturing for the Manufacture of Gas Turbine Engine Components: Literature Review and Future Perspectives

Aboma Wagari Gebisa, Hirpa G. Lemu

GT 2018; V006T24A021doi:https://doi.org/10.1115/GT2018-76686

Abstract

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Topics: Additive manufacturing , Gas turbines , Manufacturing , Aircraft , Metals , Tooling

Torsional Response of Additively Manufactured Steel Under Monotonic and Cyclic Conditions

Sanna F. Siddiqui, Abiodun A. Fasoro, Ali P. Gordon

GT 2018; V006T24A022doi:https://doi.org/10.1115/GT2018-76831

Abstract

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Topics: Additive manufacturing , Steel , Fatigue , Aerospace industry , Design , Fracture (Materials) , Fracture (Process) , Lasers , Manufacturing , Metals

Acceptability of Defects Under Combined Cycle Fatigue for a Precipitation Hardened Steel

Luca Patriarca, Stefano Foletti, Stefano Beretta, Andrea Riva, Simona Parodi

GT 2018; V006T24A023doi:https://doi.org/10.1115/GT2018-76902

Abstract

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Topics: Combined cycles , Fatigue , Precipitation hardening , Steel , Fracture (Materials) , Blades , Cycles , Compressors , Damage , Low cycle fatigue

Evaluation of Wire Electrochemical Machining With Rotating Electrode for the Manufacture of Fir Tree Slots

F. Klocke, T. Herrig, A. Klink

GT 2018; V006T24A024doi:https://doi.org/10.1115/GT2018-76910

Abstract

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Topics: Electrodes , Machining , Wire , Cutting , Disks , Electrical discharge machining , Turbines , Cross section (Physics) , Design , Finishing

Process Optimization of Wire Based Laser Metal Deposition of Titanium

Martin Schulz, Fritz Klocke, Jan Riepe, Nils Klingbeil, Kristian Arntz

GT 2018; V006T24A025doi:https://doi.org/10.1115/GT2018-76924

Abstract

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Topics: Lasers , Metals , Optimization , Titanium , Wire , Manufacturing , Oxygen , Turbomachinery , Additive manufacturing , Alloys

Approach for Zero Defect Manufacturing: Geometric Calibration of Five-Axis Machine Tools for Blisk Manufacturing Process

Tae Hun Lee, Jan Behrens, Sascha Gierlings, Christian Brecher

GT 2018; V006T24A026doi:https://doi.org/10.1115/GT2018-77195

Abstract

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Topics: Calibration , Machine tools , Manufacturing , Machinery , Machining , Errors , Design , Safety , Turbine blades

Microstructure and Thermomechanical Fatigue Behavior of Directionally Solidified Ni-Based Superalloys in OP Condition

Dongyi Seo, Seong-Moon Seo, Young-Soo Yoo, Daejin Kim

GT 2018; V006T24A027doi:https://doi.org/10.1115/GT2018-77224

Abstract

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Topics: Fatigue , Superalloys , Thermomechanics , Alloys , Computer simulation , Damage , Fracture (Materials) , Fracture (Process) , Heat , Temperature

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