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Stefan Weihe
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Proceedings Papers

Investigation of the Very High Cycle Fatigue (VHCF) Behavior of AISI 347 and 304L Austenitic Stainless Steels Including Their Welds for Reactor Internals at Ambient and Operating Temperature

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Jürgen Rudolph, Georg Veile, Elen Regitz, Marek Smaga, Udo Fischer, Michael Grimm, Stefan Weihe, Tilman Beck
Proc. ASME. PVP2024, Volume 1: Codes & Standards; Computer Technology & Bolted Joints, V001T01A046, July 28–August 2, 2024
Publisher: American Society of Mechanical Engineers
Paper No: PVP2024-121778
https://doi.org/10.1115/PVP2024-121778
View Paper titled, Investigation of the Very High Cycle Fatigue (VHCF) Behavior of AISI 347 and 304L Austenitic Stainless Steels Including Their Welds for Reactor Internals at Ambient and Operating Temperature
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Topics: Fatigue, Fatigue testing, High cycle fatigue, Operating temperature, Stainless steel, Welded joints, Fatigue life, Safety, Nuclear power stations, Computer simulation
Proceedings Papers

Influence of High Temperature Water on AISI 304 and ER 347 Regarding Their Threshold Value

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Georg Veile, Michael Grimm, Stefan Weihe, Jürgen Rudolph
Proc. ASME. PVP2024, Volume 4: Materials & Fabrication, V004T06A047, July 28–August 2, 2024
Publisher: American Society of Mechanical Engineers
Paper No: PVP2024-121861
https://doi.org/10.1115/PVP2024-121861
View Paper titled, Influence of High Temperature Water on AISI 304 and ER 347 Regarding Their Threshold Value
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Topics: Boiling water reactors, Corrosion, Fatigue, Fatigue testing, High temperature, Pressurized water reactors, Water
Proceedings Papers

Physical Twins for Lifetime Evaluation of Safety-Relevant Large Components Containing Crack Fields

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Linda Mally, Michael Seidenfuß, Martin Werz, Stefan Weihe
Proc. ASME. PVP2024, Volume 2: Design & Analysis, V002T03A107, July 28–August 2, 2024
Publisher: American Society of Mechanical Engineers
Paper No: PVP2024-123680
https://doi.org/10.1115/PVP2024-123680
View Paper titled, Physical Twins for Lifetime Evaluation of Safety-Relevant Large Components Containing Crack Fields
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Topics: Additive manufacturing, Failure, Fracture (Materials), Safety, Testing, Lasers, Nuclear reactors, Pressure vessels, Shapes, Vessels
Journal Articles

Experimental and Numerical Investigations on the Relaxation Behavior of Power Plant Flange Connections Under Steady State and Transient Conditions

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Kevin Kettler, Andreas Klenk, Stefan Weihe
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research-Article
J. Pressure Vessel Technol. August 2024, 146(4): 041302.
Paper No: PVT-23-1145
https://doi.org/10.1115/1.4065464
Published Online: May 21, 2024
View Articletitled, Experimental and Numerical Investigations on the Relaxation Behavior of Power Plant Flange Connections Under Steady State and Transient Conditions
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Topics: Creep, Flanges, Stress, Relaxation (Physics), Bolted joints, Simulation, Steady state, Temperature
Journal Articles

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

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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 Articletitled, 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

Experimental and Numerical Investigations on the Relaxation Behaviour of Power Plant Flange Connections Under Steady State and Transient Conditions

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Kevin Kettler, Andreas Klenk, Stefan Weihe
Proc. ASME. PVP2023, Volume 6: Operations, Applications, & Components, V006T07A017, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-105456
https://doi.org/10.1115/PVP2023-105456
View Paper titled, Experimental and Numerical Investigations on the Relaxation Behaviour of Power Plant Flange Connections Under Steady State and Transient Conditions
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Topics: Flange connections, Flanges, Power stations, Relaxation (Physics), Steady state, Stress, Transients (Dynamics), Turbines
Proceedings Papers

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

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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

Damage Assessment of Similar Martensitic Welds Under Creep, Fatigue, and Creep-Fatigue Loading

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Thorben Bender, Andreas Klenk, Stefan Weihe
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research-Article
J. Pressure Vessel Technol. August 2023, 145(4): 041502.
Paper No: PVT-22-1018
https://doi.org/10.1115/1.4062396
Published Online: May 25, 2023
View Articletitled, Damage Assessment of Similar Martensitic Welds Under Creep, Fatigue, and Creep-Fatigue Loading
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Topics: Creep, Fatigue, Stress, Failure
Includes: Supplementary data
Proceedings Papers

Recent Developments of Advanced Calculation Concepts for the Fatigue Assessment of Power Plant Components

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Tim Schopf, Stefan Weihe, Jürgen Rudolph
Proc. ASME. PVP2022, Volume 2: Computer Technology and Bolted Joints; Design and Analysis, V002T03A042, July 17–22, 2022
Publisher: American Society of Mechanical Engineers
Paper No: PVP2022-85543
https://doi.org/10.1115/PVP2022-85543
View Paper titled, Recent Developments of Advanced Calculation Concepts for the Fatigue Assessment of Power Plant Components
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Topics: Damage, Electric arc furnaces, Fatigue, Fatigue damage, Fatigue limit, High cycle fatigue, Power stations, Stainless steel, Transients (Dynamics)
Proceedings Papers

Investigations on the Failure Behavior of Specimens Containing Crack Fields Made by Additive Manufacturing

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Ludwig Stumpfrock, Ulrich Weber, Stefan Weihe, Michael Seidenfuss, Linda Mally
Proc. ASME. PVP2022, Volume 2: Computer Technology and Bolted Joints; Design and Analysis, V002T03A053, July 17–22, 2022
Publisher: American Society of Mechanical Engineers
Paper No: PVP2022-84666
https://doi.org/10.1115/PVP2022-84666
View Paper titled, Investigations on the Failure Behavior of Specimens Containing Crack Fields Made by Additive Manufacturing
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Topics: Additive manufacturing, Failure, Fracture (Materials), Damage mechanics, Computer simulation, Damage, Pressure, Shear (Mechanics), Stress, Brittleness
Proceedings Papers

CPS – an Advanced Tool for Monitoring Fatigue and Fracture on Pipes and Other Mechanical Components

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Georg Wackenhut, Robert Lammert, Fabian Silber, Stefan Weihe
Proc. ASME. PVP2022, Volume 1: Codes and Standards, V001T01A022, July 17–22, 2022
Publisher: American Society of Mechanical Engineers
Paper No: PVP2022-84753
https://doi.org/10.1115/PVP2022-84753
View Paper titled, CPS – an Advanced Tool for Monitoring Fatigue and Fracture on Pipes and Other Mechanical Components
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Topics: Fatigue, Fracture (Materials), Pipes, Stress, Monitoring systems, Computer software, Economics , Fracture mechanics, Nondestructive evaluation, Power stations
Proceedings Papers

Component Tests and Numerical Investigations to Determine the Lifetime and Failure Behavior of End Stage Blades

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Lukas Frank, Stefan Weihe
Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT24A002, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-79695
https://doi.org/10.1115/GT2022-79695
View Paper titled, Component Tests and Numerical Investigations to Determine the Lifetime and Failure Behavior of End Stage Blades
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Topics: Blades, Failure, Fatigue, Finite element analysis, Stress
Journal Articles

Component Tests and Numerical Investigations to Determine the Lifetime and Failure Behavior of End Stage Blades

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Lukas Frank, Stefan Weihe
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2023, 145(1): 011013.
Paper No: GTP-22-1255
https://doi.org/10.1115/1.4055834
Published Online: October 20, 2022
View Articletitled, Component Tests and Numerical Investigations to Determine the Lifetime and Failure Behavior of End Stage Blades
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Topics: Blades, Fatigue, Stress, Cycles, Damage, Finite element analysis
eBook Chapter

Research on the Yield and Fracture Behavior of Microporous AlSi10Mg Generated by Selective Laser Melting in Local Stress Concentrations Caused by Different Notches

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Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2022
https://doi.org/10.1520/STP163720200126
ISBN: 978-0-8031-7721-5
Open the PDF for Research on the Yield and Fracture Behavior of Microporous AlSi10Mg Generated by Selective Laser Melting in Local Stress Concentrations Caused by Different Notches in another window
Proceedings Papers

Reliability of Ultrasonic Testing at Crack Fields in Large Forgings

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Anne Juengert, Oliver Jacobs, Patrick Gauder, Stefan Weihe
Proc. ASME. PVP2021, Volume 5: Operations, Applications, and Components; Seismic Engineering; Non-Destructive Examination, V005T09A003, July 13–15, 2021
Publisher: American Society of Mechanical Engineers
Paper No: PVP2021-62795
https://doi.org/10.1115/PVP2021-62795
View Paper titled, Reliability of Ultrasonic Testing at Crack Fields in Large Forgings
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Topics: Forgings (Products), Fracture (Materials), Reliability, Ultrasonic testing
Proceedings Papers

Investigation on Leak Rates in Thin-Walled Structures

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Fabian E. Silber, Ludwig Stumpfrock, Stefan Weihe
Proc. ASME. PVP2021, Volume 3: Fluid Structure Interaction; High Pressure Technology, V003T04A019, July 13–15, 2021
Publisher: American Society of Mechanical Engineers
Paper No: PVP2021-61955
https://doi.org/10.1115/PVP2021-61955
View Paper titled, Investigation on Leak Rates in Thin-Walled Structures
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Topics: Leakage, Thin wall structures, Water, Condensers (steam plant), Databases, Flow (Dynamics), Fluids, Pressure, Temperature, Test facilities
Proceedings Papers

Investigations on the Environmentally Assisted Fatigue Behavior of Steel Specimens for a Better Understanding of Component Fatigue in Nuclear Applications

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Christian Swacek, Ludwig Stumpfrock, Stefan Weihe
Proc. ASME. PVP2021, Volume 1: Codes and Standards, V001T01A010, July 13–15, 2021
Publisher: American Society of Mechanical Engineers
Paper No: PVP2021-61961
https://doi.org/10.1115/PVP2021-61961
View Paper titled, Investigations on the Environmentally Assisted Fatigue Behavior of Steel Specimens for a Better Understanding of Component Fatigue in Nuclear Applications
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Topics: Fatigue, Low cycle fatigue, Steel
Proceedings Papers

A Newly Developed Measuring Principle for Precise Measurement of Forces in Test Autoclaves

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Alexandra Oßwald, Martin Werz, Stefan Weihe
Proc. ASME. PVP2021, Volume 1: Codes and Standards, V001T01A018, July 13–15, 2021
Publisher: American Society of Mechanical Engineers
Paper No: PVP2021-62072
https://doi.org/10.1115/PVP2021-62072
View Paper titled, A Newly Developed Measuring Principle for Precise Measurement of Forces in Test Autoclaves
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Topics: Force measurement, Friction, Gaskets, High pressure (Physics), Hydrogen, Machinery, Materials properties, Materials testing, Pressure, Rods
Proceedings Papers

Temperature Dependent Failure Behaviour of Components Containing Crack Fields: An Experimental and Numerical Approach

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Stefan Weihe, Ludwig Stumpfrock, Ulrich Weber, Patrick Gauder, Michael Seidenfuss
Proc. ASME. PVP2021, Volume 2: Computer Technology and Bolted Joints; Design and Analysis, V002T03A047, July 13–15, 2021
Publisher: American Society of Mechanical Engineers
Paper No: PVP2021-61998
https://doi.org/10.1115/PVP2021-61998
View Paper titled, Temperature Dependent Failure Behaviour of Components Containing Crack Fields: An Experimental and Numerical Approach
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Topics: Failure, Fracture (Materials), Temperature
Proceedings Papers

Damage Assessment of Similar Martensitic Welds Under Creep, Fatigue and Creep-Fatigue Loading

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Thorben Bender, Andreas Klenk, Stefan Weihe
Proc. ASME. PVP2020, Volume 6: Materials and Fabrication, V006T06A039, August 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: PVP2020-21497
https://doi.org/10.1115/PVP2020-21497
View Paper titled, Damage Assessment of Similar Martensitic Welds Under Creep, Fatigue and Creep-Fatigue Loading
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Topics: Creep, Damage assessment, Fatigue, Welded joints