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Matthias Oechsner
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Proceedings Papers

Creep Properties of Nickel Alloys - Comparison Between Conventional and Laser Powder Bed Fusion Manufacturing Routes

Sandra Megahed, Erina Okabe, Karl Michael Kraemer, Christian Kontermann, Christoph Heinze, Matthias Oechsner
Proc. ASME. GT2024, Volume 9: Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications; Steam Turbine, V009T17A022, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128767
https://doi.org/10.1115/GT2024-128767
View Paper titled, Creep Properties of Nickel Alloys - Comparison Between Conventional and Laser Powder Bed Fusion Manufacturing Routes
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Topics: Creep, Lasers, Manufacturing, Nickel alloys
Journal Articles

Development and Evaluation of Generic Test Pieces for Creep Property Assessment of Laser Powder Bed Fusion Components

Sandra Megahed, Karl Michael Krämer, Christian Kontermann, Christoph Heinze, Annett Udoh, Stefan Weihe, Matthias Oechsner
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2024, 146(9): 091023.
Paper No: GTP-23-1675
https://doi.org/10.1115/1.4065267
Published Online: April 12, 2024
View Article titled, Development and Evaluation of Generic Test Pieces for Creep Property Assessment of Laser Powder Bed Fusion Components
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Topics: Creep, Lasers, Grain size, Metals
Proceedings Papers

Development and Evaluation of Generic Test Pieces for Creep Property Assessment of Laser Powder Bed Fusion Components

Sandra Megahed, Karl Michael Krämer, Christoph Heinze, Christian Konterman, Annett Udoh, Stefan Weihe, Matthias Oechsner
Proc. ASME. GT2023, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy, V008T17A009, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102193
https://doi.org/10.1115/GT2023-102193
View Paper titled, Development and Evaluation of Generic Test Pieces for Creep Property Assessment of Laser Powder Bed Fusion Components
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Topics: Creep, Lasers
Journal Articles

Deformation and Damage Behavior of a 1Cr-Cast Steel Under Multiaxial Loading at Elevated Temperatures

Christian Kontermann, Alexander Erbe, Fabian Conrad, Karl Michael Kraemer, Dirk Kulawinski, Massimiliano Bianchini, Matthias Oechsner
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2023, 145(4): 041017.
Paper No: GTP-22-1458
https://doi.org/10.1115/1.4055829
Published Online: December 13, 2022
View Article titled, Deformation and Damage Behavior of a 1Cr-Cast Steel Under Multiaxial Loading at Elevated Temperatures
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Topics: Cycles, Damage, Deformation, Design, Fracture (Materials), Steel, Stress, Temperature
Journal Articles

Assessing the Structural Integrity of Plasma-Sprayed Multilayer Thermal Barrier Coatings

Marcel Adam, Christian Kontermann, Matthias Oechsner
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2023, 145(3): 031014.
Paper No: GTP-22-1472
https://doi.org/10.1115/1.4055668
Published Online: December 5, 2022
View Article titled, Assessing the Structural Integrity of Plasma-Sprayed Multilayer Thermal Barrier Coatings
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Topics: Ceramics, Coatings, Creep, Failure, Finite element analysis, Fracture (Materials), Oxidation, Plasmas (Ionized gases), Porosity, Sintering
Proceedings Papers

Comparison of Cast, Wrought and LPBF Processed IN718 Concerning Crack Growth Threshold and Fatigue Crack Growth Behavior

Timo Brune, Karl Michael Kraemer, Christian Kontermann, Matthias Oechsner
Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T17A002, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80207
https://doi.org/10.1115/GT2022-80207
View Paper titled, Comparison of Cast, Wrought and LPBF Processed IN718 Concerning Crack Growth Threshold and Fatigue Crack Growth Behavior
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Topics: Fatigue cracks, Fracture (Materials)
Proceedings Papers

Deformation and Damage Behavior of a 1 Cr-Cast Steel Under Multiaxial Loading at Elevated Temperatures

Christian Kontermann, Alexander Erbe, Fabian Conrad, Karl Michael Kraemer, Matthias Oechsner
Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T17A019, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82885
https://doi.org/10.1115/GT2022-82885
View Paper titled, Deformation and Damage Behavior of a 1 Cr-Cast Steel Under Multiaxial Loading at Elevated Temperatures
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Topics: Damage, Deformation, Steel, Temperature, Cycles, Fatigue life, Fracture (Materials), Databases, Design, Electromagnetic induction
Proceedings Papers

Assessing the Structural Integrity of Plasma-Sprayed Multilayer Thermal Barrier Coatings

Marcel Adam, Christian Kontermann, Matthias Oechsner
Proc. ASME. GT2022, Volume 1: Aircraft Engine; Ceramics and Ceramic Composites, V001T02A005, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81964
https://doi.org/10.1115/GT2022-81964
View Paper titled, Assessing the Structural Integrity of Plasma-Sprayed Multilayer Thermal Barrier Coatings
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Topics: Finite element analysis, Gadolinium, Plasmas (Ionized gases), Sintering, Thermal barrier coatings
Journal Articles

Comparison of Cast, Wrought, and LPBF Processed IN718 Concerning Crack Growth Threshold and Fatigue Crack Growth Behavior

Timo Brune, Karl Michael Kraemer, Christian Kontermann, Matthias Oechsner
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2023, 145(1): 011016.
Paper No: GTP-22-1338
https://doi.org/10.1115/1.4055706
Published Online: October 21, 2022
View Article titled, Comparison of Cast, Wrought, and LPBF Processed IN718 Concerning Crack Growth Threshold and Fatigue Crack Growth Behavior
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Topics: Fatigue cracks, Fracture (Materials), Stress, Temperature
eBook Chapter

In Situ Observation of the Local Deformation Behavior of Coarse-Grained Nickel Cast Alloys under Thermo-Mechanical Fatigue Loading Using Digital Image Correlation

Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2022
ISBN: 978-0-8031-7723-9
Open the PDF for In Situ Observation of the Local Deformation Behavior of Coarse-Grained Nickel Cast Alloys under Thermo-Mechanical Fatigue Loading Using Digital Image Correlation in another window
eBook Chapter

Crack Growth Measurements under Thermo-Mechanical Fatigue Loading Using Alternating Current Potential Drop

Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2022
ISBN: 978-0-8031-7723-9
Open the PDF for Crack Growth Measurements under Thermo-Mechanical Fatigue Loading Using Alternating Current Potential Drop in another window
Proceedings Papers

Application of Damage Mechanics and Polynomial Chaos Expansion for Lifetime Prediction of High-Temperature Components Under Creep-Fatigue Loading

Felix Koelzow, Muhammad Mohsin Khan, Christian Kontermann, Matthias Oechsner
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT27A025, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16205
https://doi.org/10.1115/GT2020-16205
View Paper titled, Application of Damage Mechanics and Polynomial Chaos Expansion for Lifetime Prediction of High-Temperature Components Under Creep-Fatigue Loading
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Topics: Chaos, Creep, Damage mechanics, Fatigue, High temperature, Polynomials, Damage, Probability, Cycles, Failure
Proceedings Papers

Experimental LCF Study of a Probabilistically Optimized Double Notch Specimen Geometry for Validation of Deterministic and Probabilistic Design Concepts

Marcel Adam, Sebastian Schmitz, Suhas Suresh, Dirk Kulawinski, Alexander Erbe, Lucas Mäde, Sesha Gundavarapu, Christian Kontermann, Matthias Oechsner
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT28A003, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14557
https://doi.org/10.1115/GT2020-14557
View Paper titled, Experimental LCF Study of a Probabilistically Optimized Double Notch Specimen Geometry for Validation of Deterministic and Probabilistic Design Concepts
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Topics: Alternating current potential drop techniques, Design, Geometry, Shape optimization, Size effect, Testing
Proceedings Papers

Application and Verification of an Engineering Approach to Assess Notch Support for Low Cycle Fatigue Loadings

Florian Garnadt, Christian Kontermann, Henning Almstedt, Matthias Oechsner
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT27A020, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15402
https://doi.org/10.1115/GT2020-15402
View Paper titled, Application and Verification of an Engineering Approach to Assess Notch Support for Low Cycle Fatigue Loadings
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Topics: Cycles, Design, Failure, Finite element analysis, Fracture (Materials), Low cycle fatigue, Plasticity, Steel, Stress
Journal Articles

Toward a Better Understanding of Crack Growth in Nickel-Cast Alloys Under Creep-Fatigue and Thermo-Mechanical Fatigue Conditions

Karl Michael Kraemer, Falk Mueller, Christian Kontermann, Matthias Oechsner
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2020, 142(1): 011004.
Paper No: GTP-19-1471
https://doi.org/10.1115/1.4045310
Published Online: November 25, 2019
View Article titled, Toward a Better Understanding of Crack Growth in Nickel-Cast Alloys Under Creep-Fatigue and Thermo-Mechanical Fatigue Conditions
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Topics: Fracture (Materials), Stress, Creep, Fatigue, Cycles
Proceedings Papers

Aspects of Creep Fatigue Lifetime Assessment for High Temperature Components With Accumulative Model

Stefan Linn, Christian Kontermann, Matthias Oechsner
Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A020, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90909
https://doi.org/10.1115/GT2019-90909
View Paper titled, Aspects of Creep Fatigue Lifetime Assessment for High Temperature Components With Accumulative Model
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Topics: Creep, Fatigue, High temperature, Damage, Power stations, Stress, Accounting, Constitutive equations, Engineers, Fatigue damage
Proceedings Papers

Application Concepts and Experimental Validation of Constitutive Material Models for Creep-Fatigue Assessment of Components

Christian Kontermann, Stefan Linn, Matthias Oechsner
Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A026, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91450
https://doi.org/10.1115/GT2019-91450
View Paper titled, Application Concepts and Experimental Validation of Constitutive Material Models for Creep-Fatigue Assessment of Components
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Topics: Creep, Fatigue, Cycles, Design, Machine components, Machine learning, Model development, Trains, Turbochargers
Proceedings Papers

Towards a Better Understanding of Crack Growth in Nickel-Cast Alloys Under Creep-Fatigue and Thermo-Mechanical Fatigue Conditions

Karl Michael Kraemer, Falk Mueller, Christian Kontermann, Matthias Oechsner
Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A033, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-92028
https://doi.org/10.1115/GT2019-92028
View Paper titled, Towards a Better Understanding of Crack Growth in Nickel-Cast Alloys Under Creep-Fatigue and Thermo-Mechanical Fatigue Conditions
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Topics: Alloys, Creep, Fatigue, Fracture (Materials), Nickel, Thermomechanics, Stress, Cycles, Damage, Phase shift
Journal Articles

On the Evaluation and Consideration of Fracture Mechanical Notch Support Within a Creep-Fatigue Lifetime Assessment

Christian Kontermann, Henning Almstedt, Falk Müller, Matthias Oechsner
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2018, 140(12): 121014.
Paper No: GTP-18-1309
https://doi.org/10.1115/1.4040733
Published Online: October 31, 2018
View Article titled, On the Evaluation and Consideration of Fracture Mechanical Notch Support Within a Creep-Fatigue Lifetime Assessment
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Topics: Fracture (Materials), Creep, Stress
Proceedings Papers

On the Evaluation and Consideration of Fracture Mechanical Notch Support Within a Creep Fatigue Lifetime Assessment

Christian Kontermann, Henning Almstedt, Falk Müller, Matthias Oechsner
Proc. ASME. GT2018, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A015, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75681
https://doi.org/10.1115/GT2018-75681
View Paper titled, On the Evaluation and Consideration of Fracture Mechanical Notch Support Within a Creep Fatigue Lifetime Assessment
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Topics: Creep, Fatigue, Fracture (Materials), Fracture (Process), Finite element methods, Finite element model, Steam turbines