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Journal Articles

On the Possibility of Extending the Crack Length Criterion in the Master Curve Methodology

Marcos Sánchez, Sergio Cicero, Florian Obermeier, Marta Serrano, Yu-Lung Chiu, Eberhard Altstadt
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research-Article
J. Pressure Vessel Technol. April 2025, 147(2): 021302.
Paper No: PVT-24-1057
https://doi.org/10.1115/1.4067434
Published Online: January 28, 2025
View Articletitled, On the Possibility of Extending the Crack Length Criterion in the Master Curve Methodology
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Topics: ASTM International, Fracture (Materials), Fracture toughness, Steel, Temperature
Proceedings Papers

Present Status of the FRACTESUS Project: Numerical and Experimental Round Robins on Irradiated and Unirradiated Materials

Giovanni Bonny, Inge Uytdenhouwen, Eberhard Altstadt, Pentti Arffman, Sergio Cicero, Florian Obermeier, Tom Petit, Pierrick François, Benoît Tanguy, Helen Swan, Hannah Wilcox
Proc. ASME. PVP2024, Volume 1: Codes & Standards; Computer Technology & Bolted Joints, V001T01A057, July 28–August 2, 2024
Publisher: American Society of Mechanical Engineers
Paper No: PVP2024-122258
https://doi.org/10.1115/PVP2024-122258
View Paper titled, Present Status of the FRACTESUS Project: Numerical and Experimental Round Robins on Irradiated and Unirradiated Materials
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Topics: Finite element analysis, Fracture toughness, Modeling, Reactor vessels, Temperature, Tension
Proceedings Papers

Project FRACTESUS: Fracture Toughness Round Robin on a High Copper Weld Using Miniature C(T) Specimens – Results and Discussion

Florian Obermeier, Inge Uytdenhouwen, Eberhard Altstadt, Sergio Cicero, Marcos Sánchez, John Echols, Giovanni Bonny
Proc. ASME. PVP2024, Volume 1: Codes & Standards; Computer Technology & Bolted Joints, V001T01A061, July 28–August 2, 2024
Publisher: American Society of Mechanical Engineers
Paper No: PVP2024-122646
https://doi.org/10.1115/PVP2024-122646
View Paper titled, Project FRACTESUS: Fracture Toughness Round Robin on a High Copper Weld Using Miniature C(T) Specimens – Results and Discussion
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Topics: Copper, Fracture toughness, Finite element model, Irradiation (Radiation exposure), Pressurized water reactors, Testing, ASTM International, Brittleness, Embrittlement, Heat
Proceedings Papers

Fracture Toughness Tests on Western RPV Steels Using Small Scale Specimen Technique – Evaluation of Results

Florian Obermeier, Eberhard Altstadt, Hieronymus Hein, Aniruddh Das, Johannes May
Proc. ASME. PVP2024, Volume 1: Codes & Standards; Computer Technology & Bolted Joints, V001T01A059, July 28–August 2, 2024
Publisher: American Society of Mechanical Engineers
Paper No: PVP2024-122615
https://doi.org/10.1115/PVP2024-122615
View Paper titled, Fracture Toughness Tests on Western RPV Steels Using Small Scale Specimen Technique – Evaluation of Results
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Topics: Fracture toughness, Steel, Fracture mechanics, Surveillance, Testing, Displacement, ASTM International, Cracking (Materials), Economics , Embrittlement
Proceedings Papers

On the Possibility of Extending the Crack Length Criterion in the Master Curve Methodology

Marcos Sánchez, Sergio Cicero, Florian Obermeier, Marta Serrano, Yu-Lung Chiu, Eberhard Altstadt
Proc. ASME. PVP2024, Volume 1: Codes & Standards; Computer Technology & Bolted Joints, V001T01A058, July 28–August 2, 2024
Publisher: American Society of Mechanical Engineers
Paper No: PVP2024-122502
https://doi.org/10.1115/PVP2024-122502
View Paper titled, On the Possibility of Extending the Crack Length Criterion in the Master Curve Methodology
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Topics: Fracture (Materials), Temperature
Proceedings Papers

Fractography of Neutron Irradiated RPV Steels – A Comparison of Shift in Reference Temperature and Net Hardening

Aniruddh Das, Paul Chekhonin, Mario Houska, Florian Obermeier, Eberhard Altstadt
Proc. ASME. PVP2023, Volume 1: Codes & Standards, V001T01A028, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-103648
https://doi.org/10.1115/PVP2023-103648
View Paper titled, Fractography of Neutron Irradiated RPV Steels – A Comparison of Shift in Reference Temperature and Net Hardening
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Topics: Fractography, Hardening, Neutrons, Steel, Temperature, Fracture (Materials), Irradiation (Radiation exposure), Embrittlement, Fracture toughness, Yield strength
Proceedings Papers

FRACTESUS Project: Final Selection of RPV Materials for Unirradiated and Irradiated Round Robins

Tomasz Brynk, Inge Uytdenhouwen, Pentti Arffman, Eberhard Altstadt, Radim Kopriva, Florian Obermeier, Marta Serrano
Proc. ASME. PVP2022, Volume 1: Codes and Standards, V001T01A026, July 17–22, 2022
Publisher: American Society of Mechanical Engineers
Paper No: PVP2022-83871
https://doi.org/10.1115/PVP2022-83871
View Paper titled, FRACTESUS Project: Final Selection of RPV Materials for Unirradiated and Irradiated Round Robins
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Topics: Base metals, Databases, Fracture toughness, Irradiation (Radiation exposure), Mechanical properties, Neutrons, Notch testing, Reactor vessels, Temperature, Tension
Proceedings Papers

FRACTESUS Project: General Framework of Materials Selection and Testing Processes

Tomasz Brynk, Marlies Lambrecht, Inge Uytdenhouwen, Pentti Arffman, Eberhard Altstadt, Tom Petit
Proc. ASME. PVP2021, Volume 4: Materials and Fabrication, V004T06A066, July 13–15, 2021
Publisher: American Society of Mechanical Engineers
Paper No: PVP2021-61906
https://doi.org/10.1115/PVP2021-61906
View Paper titled, FRACTESUS Project: General Framework of Materials Selection and Testing Processes
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Topics: Fracture toughness, Reactor vessels, Tension, Testing, Steel, Base metals, Computer simulation, Fracture mechanics, Materials testing, Nuclear power stations
Proceedings Papers

Fracture Toughness Tests on Western RPV Steels Using Small Scale Specimen Technique

Florian Obermeier, Eberhard Altstadt, Hieronymus Hein, Aniruddh Das
Proc. ASME. PVP2020, Volume 6: Materials and Fabrication, V006T06A102, August 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: PVP2020-21481
https://doi.org/10.1115/PVP2020-21481
View Paper titled, Fracture Toughness Tests on Western RPV Steels Using Small Scale Specimen Technique
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Topics: Embrittlement, Fracture mechanics, Fracture toughness, Irradiation (Radiation exposure), Reactor vessels, Steel, Surveillance, Displacement, Brittle fracture, Cracking (Materials)
eBook Chapter

Validation of Surveillance Concepts and Trend Curves by the Investigation of Decommissioned Reactor Pressure Vessels

Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2018
https://doi.org/10.1520/STP160320160127
ISBN: 978-0-8031-7651-5
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Proceedings Papers

European Standard on Small Punch Testing of Metallic Materials

Matthias Bruchhausen, Tim Austin, Stefan Holmström, Eberhard Altstadt, Petr Dymacek, Spencer Jeffs, Robert Lancaster, Roberto Lacalle, Karel Matocha, Jana Petzová
Proc. ASME. PVP2017, Volume 1A: Codes and Standards, V01AT01A065, July 16–20, 2017
Publisher: American Society of Mechanical Engineers
Paper No: PVP2017-65396
https://doi.org/10.1115/PVP2017-65396
View Paper titled, European Standard on Small Punch Testing of Metallic Materials
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Topics: Testing, Creep, Nuclear power stations, Brittleness, Fracture toughness, Life extension, Phase transition temperature, Steel, Structural elements (Construction), Temperature
Proceedings Papers

Master Curve Testing of Reactor Pressure Vessel Multilayer Welding Seams

Hans-Werner Viehrig, Mario Houska, Eberhard Altstadt
Proc. ASME. PVP2015, Volume 1B: Codes and Standards, V01BT01A025, July 19–23, 2015
Publisher: American Society of Mechanical Engineers
Paper No: PVP2015-45279
https://doi.org/10.1115/PVP2015-45279
View Paper titled, Master Curve Testing of Reactor Pressure Vessel Multilayer Welding Seams
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Topics: Reactor vessels, Testing, Welding, Fracture toughness, Fracture (Materials), Crack propagation, Metals, ASTM International, Brittleness, Fatigue cracks
eBook Chapter

Long Term Irradiation Phenomena in RPV Steels—The LONGLIFE Project

Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2013
https://doi.org/10.1520/STP104113
ISBN: 978-0-8031-7533-4
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eBook Chapter

Fracture Mechanics Characterisation of Forged Base Metal Ring of the Decommissioned Reactor Pressure Vessel of NPP Greifswald WWER-440 Unit 4

Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2013
https://doi.org/10.1520/STP104056
ISBN: 978-0-8031-7533-4
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Proceedings Papers

Irradiation Damage and Embrittlement in RPV Steels Under the Aspect of Long Term Operation: Overview of the FP7 Project LONGLIFE

Eberhard Altstadt, Frank Bergner, Hieronymus Hein
Proc. ASME. ICONE18, 18th International Conference on Nuclear Engineering: Volume 5, 255-263, May 17–21, 2010
Publisher: American Society of Mechanical Engineers
Paper No: ICONE18-30049
https://doi.org/10.1115/ICONE18-30049
View Paper titled, Irradiation Damage and Embrittlement in RPV Steels Under the Aspect of Long Term Operation: Overview of the FP7 Project LONGLIFE
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Topics: Damage, Embrittlement, Irradiation (Radiation exposure), Steel, Neutrons, Surveillance, Fluence (Radiation measurement), Hardening, Mechanical properties, Neutron diffraction
Proceedings Papers

Final Results of an Analytical Round Robin Exercise to Support Constraint Effects

Marc Scibetta, Eberhard Altstadt, Rogelio Herna´ndez Callejas, Bong-Sang Lee, Naoki Miura, Kunio Onizawa, Elena Paffumi, Marta Serrano, Levente Tatar, Shengjun Yin
Proc. ASME. PVP2009, Volume 6: Materials and Fabrication, Parts A and B, 1017-1027, July 26–30, 2009
Publisher: American Society of Mechanical Engineers
Paper No: PVP2009-77722
https://doi.org/10.1115/PVP2009-77722
View Paper titled, Final Results of an Analytical Round Robin Exercise to Support Constraint Effects
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Topics: Carbon reinforced plastics, Errors, Finite element analysis, Finite element methods, Fracture (Materials), Fracture toughness, Geometry, Light water reactors, Modeling, Nuclear industry
Proceedings Papers

Analysis of Severe Accidents in VVER-1000 Reactors Using the Integral Code ASTEC

Polina Tusheva, Nils Reinke, Eberhard Altstadt, Frank Schaefer, Frank-Peter Weiss, Antonio Hurtado
Proc. ASME. ICONE17, Volume 3: Thermal Hydraulics; Current Advanced Reactors: Plant Design, Construction, Workforce and Public Acceptance, 449-458, July 12–16, 2009
Publisher: American Society of Mechanical Engineers
Paper No: ICONE17-75563
https://doi.org/10.1115/ICONE17-75563
View Paper titled, Analysis of Severe Accidents in VVER-1000 Reactors Using the Integral Code ASTEC
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Topics: Accident management, Accidents, Safety
Proceedings Papers

Design of a Photoneutron Source for Time-of-Flight Experiments at the Radiation Source ELBE

Eberhard Altstadt, Carsten Beckert, Hartwig Freiesleben, Vladimir Galindo, Eckart Grosse, Arnd Junghans, Ba¨rbel Naumann, Frank-Peter Weiss
Proc. ASME. ICONE12, 12th International Conference on Nuclear Engineering, Volume 2, 543-549, April 25–29, 2004
Publisher: American Society of Mechanical Engineers
Paper No: ICONE12-49456
https://doi.org/10.1115/ICONE12-49456
View Paper titled, Design of a Photoneutron Source for Time-of-Flight Experiments at the Radiation Source ELBE
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Topics: Design, Flight, Radiation sources, Neutrons, Electrons, Cathode ray oscilloscopes, Electron beams, Radiation (Physics), Cross section (Physics), Neutron sources