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Journal Articles

Residual Stress Optimization for Manufacturing of a Nozzle Guide Vane in Mar-M-509 by Laser Powder Bed Fusion

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Sébastien Lani, Yogiraj Pardhi, Hossein Ghasemi, Felix Reinert, Andreas Burn, Charles Soothill
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2025, 147(4): 041030.
Paper No: GTP-24-1535
https://doi.org/10.1115/1.4066897
Published Online: December 11, 2024
View Articletitled, Residual Stress Optimization for Manufacturing of a Nozzle Guide Vane in Mar-M-509 by Laser Powder Bed Fusion
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Topics: Computer-aided design, Deformation, Lasers, Manufacturing, Nozzle guide vanes, Optimization, Printing, Simulation, Stress, Temperature
Journal Articles

Performance Evaluation of Additively Manufactured and Hybrid Indexable Milling Tools in Machining of AISI4140+QT and Ti-6Al-4V

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Tobias Kelliger, Markus Meurer, Thomas Bergs
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2024, 146(3): 031013.
Paper No: GTP-23-1393
https://doi.org/10.1115/1.4063553
Published Online: November 21, 2023
View Articletitled, Performance Evaluation of Additively Manufactured and Hybrid Indexable Milling Tools in Machining of AISI4140+QT and Ti-6Al-4V
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Topics: Additive manufacturing, Cutting, Machining, Milling, Wear, Manufacturing, Machine tools, Geometry, Mechanical properties, Surface roughness
Journal Articles

Life Cycle Assessment for Rough Machining of Inconel 718 Comparing Ceramic to Cemented Carbide End Mills

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Kilian Fricke, Richard Zimmermann, Philipp Ganser, Sascha Gierlings, Thomas Bergs
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2022, 144(12): 121024.
Paper No: GTP-22-1342
https://doi.org/10.1115/1.4055493
Published Online: October 19, 2022
View Articletitled, Life Cycle Assessment for Rough Machining of Inconel 718 Comparing Ceramic to Cemented Carbide End Mills
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Topics: Ceramics, Cycles, Grinding, Machining, Milling, Life cycle assessment, Cutting, Carbide cutting tools, Surface roughness
Journal Articles

Knowledge-Based Process Design Optimization in Blisk Manufacturing

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Markus Landwehr, Philipp Ganser, Georg Vinogradov, Thomas Bergs
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2022, 144(11): 111011.
Paper No: GTP-22-1309
https://doi.org/10.1115/1.4055496
Published Online: September 21, 2022
View Articletitled, Knowledge-Based Process Design Optimization in Blisk Manufacturing
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Topics: Blades, Manufacturing, Optimization, Process design, Finishing, Machining, Turbomachinery, Deflection
Journal Articles

Influence of the Tool Wear on the Quality and Service Life of Gears for the Geared Turbofan Technology Machined by Five-Axis Milling

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Christoph Zachert, Thomas Lakner, René Greschert, Daniel Schraknepper, Thomas Bergs
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2022, 144(6): 061005.
Paper No: GTP-21-1684
https://doi.org/10.1115/1.4053911
Published Online: March 21, 2022
View Articletitled, Influence of the Tool Wear on the Quality and Service Life of Gears for the Geared Turbofan Technology Machined by Five-Axis Milling
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Topics: Gears, Machining, Milling, Service life (Equipment), Wear, Turbofans, Coatings
Journal Articles

Tolerance-Based Optimization of Sinking Electrical Discharge Machining for Industrial Seal Slot Manufacture

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Timm Petersen, Markus Zeis, Thomas Bergs
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2022, 144(3): 031007.
Paper No: GTP-21-1500
https://doi.org/10.1115/1.4052562
Published Online: December 7, 2021
View Articletitled, Tolerance-Based Optimization of Sinking Electrical Discharge Machining for Industrial Seal Slot Manufacture
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Topics: Electrical discharge machining, Fracture (Materials), Graphite, Machining, Optimization, Wear, Surface roughness, Turbines, Machinery, Mass production
Journal Articles

Electrochemical Defect Analysis of Additive Manufactured Components

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Florian Sous, Tim Herrig, Thomas Bergs, Florian Karges, Nicole Feiling, Markus Zeis
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2022, 144(1): 011001.
Paper No: GTP-21-1341
https://doi.org/10.1115/1.4052199
Published Online: October 12, 2021
View Articletitled, Electrochemical Defect Analysis of Additive Manufactured Components
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Topics: Additive manufacturing, Defect analysis, Machining, Quality control, X-rays
Journal Articles

Influence of an Additional Indexing Rotary Axis on Wire Electrical Discharge Machining Performance for the Automated Manufacture of Fir Tree Slots

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Thomas Bergs, Ugur Tombul, Tim Herrig, Andreas Klink, David Welling
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2020, 142(9): 091005.
Paper No: GTP-19-1466
https://doi.org/10.1115/1.4046805
Published Online: August 25, 2020
View Articletitled, Influence of an Additional Indexing Rotary Axis on Wire Electrical Discharge Machining Performance for the Automated Manufacture of Fir Tree Slots
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Topics: Cutting, Electrical discharge machining, Indexing (Machining), Machinery, Machining, Wire, Nickel, Alloys
Journal Articles

Technology-Based Recontouring of Blade Integrated Disks After Weld Repair

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Berend Denkena, Arne Mücke, Tim Schumacher, Demian Langen, Thomas Hassel
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2018, 140(12): 121015.
Paper No: GTP-18-1277
https://doi.org/10.1115/1.4040738
Published Online: November 20, 2018
View Articletitled, Technology-Based Recontouring of Blade Integrated Disks After Weld Repair
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Topics: Blades, Cutting, Deflection, Disks, Gas tungsten arc welding, Machine tools, Maintenance, Milling, Stiffness, Welding
Journal Articles

Rotor Model Updating and Validation for an Active Magnetic Bearing Based High-Speed Machining Spindle

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Adam C. Wroblewski, Jerzy T. Sawicki, Alexander H. Pesch
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2012, 134(12): 122509.
https://doi.org/10.1115/1.4007337
Published Online: October 25, 2012
View Articletitled, Rotor Model Updating and Validation for an Active Magnetic Bearing Based High-Speed Machining Spindle
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Topics: Antiresonance, Control equipment, Errors, Machining, Magnetic bearings, Mode shapes, Modeling, Resonance, Rotors, Transfer functions
Journal Articles

Rotor Model Validation for an Active Magnetic Bearing Machining Spindle Using Mu-Synthesis Approach

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Ryan J. Madden, Jerzy T. Sawicki
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Gas Turbines: Structures And Dynamics
J. Eng. Gas Turbines Power. September 2012, 134(9): 092501.
https://doi.org/10.1115/1.4006988
Published Online: July 18, 2012
View Articletitled, Rotor Model Validation for an Active Magnetic Bearing Machining Spindle Using Mu-Synthesis Approach
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Topics: Control equipment, Dynamics (Mechanics), Engineering systems and industry applications, Machining, Magnetic bearings, Rotors, Modeling, Bearings, Sensors, Transfer functions
Journal Articles

Evaluating the Machinability of Inconel 718 Using Polar Diagrams

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Pajazit Avdovic, Linhong Xu, Mats Andersson, Jan-Eric Ståhl
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. July 2011, 133(7): 072101.
https://doi.org/10.1115/1.4002679
Published Online: March 21, 2011
View Articletitled, Evaluating the Machinability of Inconel 718 Using Polar Diagrams
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Topics: Machinability, Wear, Machining, Carbon, Cutting
Journal Articles

Design Development of Unitized Titanium Structure

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D. Groneck, D. Harmon
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. January 2003, 125(1): 252–256.
https://doi.org/10.1115/1.1494099
Published Online: December 27, 2002
View Articletitled, Design Development of Unitized Titanium Structure
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Topics: Casting, Design, Manufacturing, Titanium, Engineering prototypes, Aircraft, Machining, Weight (Mass), Rapid prototyping
Journal Articles

A Study on Five Flank Machining of Centrifugal Compressor Impellers

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D. M. Tsay, Professor, H. C. Chen, Graduate Student, M. J. Her, Research Engineer
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. January 2002, 124(1): 177–181.
https://doi.org/10.1115/1.1413768
Published Online: November 1, 1999
View Articletitled, A Study on Five Flank Machining of Centrifugal Compressor Impellers
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Topics: Blades, Compressor impellers, Cutting, Machining, Milling, Machinery, B-splines, Impellers, Interpolation, Turbomachinery
Journal Articles

Dimensional Instability Studies in Machining of Inconel 718 Nickel Based Superalloy as Applied to Aerogas Turbine Components

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B. K. Subhas, R. Bhat, K. Ramachandra, H. K. Balakrishna
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. January 2000, 122(1): 55–61.
https://doi.org/10.1115/1.483175
Published Online: October 20, 1999
View Articletitled, Dimensional Instability Studies in Machining of Inconel 718 Nickel Based Superalloy as Applied to Aerogas Turbine Components
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Topics: Deformation, Machining, Optimization, Stress, Superalloys, Cutting, Residual stresses, Nickel
Journal Articles

Generation of Five-Axis Cutter Paths for Turbomachinery Components

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D. M. Tsay, Professor, W. F. Yan, Research Engineer, H. C. Ho, Graduate Student
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. January 2001, 123(1): 50–56.
https://doi.org/10.1115/1.1340639
Published Online: September 18, 1999
View Articletitled, Generation of Five-Axis Cutter Paths for Turbomachinery Components
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Topics: Algorithms, Blades, Impellers, Machine tools, Machining, Reliability, Turbomachinery, Milling
Journal Articles

An Evaluation of Indentation and Finishing Properties of Bearing Grade Silicon Nitrides

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J. F. Dill, M. N. Gardos, R. G. Hardisty
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. January 1997, 119(1): 196–199.
https://doi.org/10.1115/1.2815547
Published Online: January 1, 1997
View Articletitled, An Evaluation of Indentation and Finishing Properties of Bearing Grade Silicon Nitrides
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Topics: Bearings, Finishing, Silicon, Grinding, Silicon nitride ceramics, Fracture toughness, Wear, Ceramics, Machining, Stress
Journal Articles

Reliability Analysis of Uniaxially Ground Brittle Materials

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J. A. Salem, N. N. Nemeth, L. M. Powers, S. R. Choi
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. October 1996, 118(4): 863–871.
https://doi.org/10.1115/1.2817007
Published Online: October 1, 1996
View Articletitled, Reliability Analysis of Uniaxially Ground Brittle Materials
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Topics: Annealing, Bending (Stress), Bending strength, Brittleness, Damage, Event history analysis, Failure, Fractography, Fracture (Materials), Fracture toughness
Journal Articles

Hybrid Bearing Technology for Advanced Turbomachinery: Rolling Contact Fatigue Testing

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J. F. Dill
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. January 1996, 118(1): 173–178.
https://doi.org/10.1115/1.2816535
Published Online: January 1, 1996
View Articletitled, Hybrid Bearing Technology for Advanced Turbomachinery: Rolling Contact Fatigue Testing
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Topics: Bearings, Fatigue testing, Rolling contact, Turbomachinery, Ceramics, Steel, Tribology, Databases, Fatigue, Machining
Journal Articles

Arbitrary Surface Flank Milling of Fan, Compressor, and Impeller Blades

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C. Y. Wu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. July 1995, 117(3): 534–539.
https://doi.org/10.1115/1.2814127
Published Online: July 1, 1995
View Articletitled, Arbitrary Surface Flank Milling of Fan, Compressor, and Impeller Blades
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Topics: Blades, Compressors, Impellers, Milling, Aviation, Fans, Gas turbines, Machining