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Gerhard Nagel
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Proceedings Papers

Integrity Concept for Piping Systems With Corresponding Leak and Break Postulates in German Nuclear Power Plants

Ulf Ilg, Gerhard Nagel, Gu¨nter Ko¨nig, Dirk Schu¨mann, Wolfgang Mayinger, Martin Widera
Proc. ASME. PVP2011, Volume 6: Materials and Fabrication, Parts A and B, 323-337, July 17–21, 2011
Publisher: American Society of Mechanical Engineers
Paper No: PVP2011-57810
https://doi.org/10.1115/PVP2011-57810
View Paper titled, Integrity Concept for Piping Systems With Corresponding Leak and Break Postulates in German Nuclear Power Plants
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Topics: Leakage, Nuclear power stations, Piping systems, Safety, Damage, Boiling water reactors, Design, Pressure, Pressurized water reactors, Building materials
Proceedings Papers

Probabilistic Leak-Before-Break Assessment of a Main Coolant Line

Igor Varfolomeev, Denis Ivanov, Dieter Siegele, Gerhard Nagel
Proc. ASME. PVP2010, ASME 2010 Pressure Vessels and Piping Conference: Volume 7, 371-378, July 18–22, 2010
Publisher: American Society of Mechanical Engineers
Paper No: PVP2010-25676
https://doi.org/10.1115/PVP2010-25676
View Paper titled, Probabilistic Leak-Before-Break Assessment of a Main Coolant Line
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Topics: Coolants, Leak-before-break, Fracture (Materials), Probability, Failure, Fatigue cracks, Cladding systems (Building), Fracture mechanics, Nuclear power stations, Pipes
Proceedings Papers

Integrity Assessment of a German PWR RPV Considering Loss of Constraint

Dieter Siegele, Igor Varfolomeev, Jo¨rg Hohe, Volker Hardenacke, Gerhard Nagel
Proc. ASME. PVP2010, ASME 2010 Pressure Vessels and Piping Conference: Volume 6, Parts A and B, 153-159, July 18–22, 2010
Publisher: American Society of Mechanical Engineers
Paper No: PVP2010-25615
https://doi.org/10.1115/PVP2010-25615
View Paper titled, Integrity Assessment of a German PWR RPV Considering Loss of Constraint
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Topics: Brittleness, Failure, Fracture toughness, Pressurized water reactors, Stress, Fracture (Materials), Cladding systems (Building), Corners (Structural elements), Flanges, Nozzles
Proceedings Papers

Cyclic Behavior and Fatigue of Stainless Surge Line Material

Jussi Solin, Gerhard Nagel, Wolfgang Mayinger
Proc. ASME. PVP2009, Volume 3: Design and Analysis, 611-619, July 26–30, 2009
Publisher: American Society of Mechanical Engineers
Paper No: PVP2009-78138
https://doi.org/10.1115/PVP2009-78138
View Paper titled, Cyclic Behavior and Fatigue of Stainless Surge Line Material
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Topics: Fatigue, Surges, Cycles, Alloys, Boiling water reactors, Design, Electromagnetic scattering, Endurance limit, Fatigue testing, High cycle fatigue
Proceedings Papers

On the Correlation of Crack Resistance Curves on Upper Shelf Energy for German RPV Steels

Dieter Siegele, Jo¨rg Hohe, Gerhard Nagel
Proc. ASME. PVP2007, Volume 7: Operations, Applications and Components, 253-258, July 22–26, 2007
Publisher: American Society of Mechanical Engineers
Paper No: PVP2007-26583
https://doi.org/10.1115/PVP2007-26583
View Paper titled, On the Correlation of Crack Resistance Curves on Upper Shelf Energy for German RPV Steels
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Topics: Fracture (Materials), Steel
Proceedings Papers

Inherent Margin in the Brittle Failure Assessment for RPV

Dieter Siegele, Igor Varfolomeyev, Gerhard Nagel
Proc. ASME. PVP2008, Volume 3: Design and Analysis, 363-368, July 27–31, 2008
Publisher: American Society of Mechanical Engineers
Paper No: PVP2008-61507
https://doi.org/10.1115/PVP2008-61507
View Paper titled, Inherent Margin in the Brittle Failure Assessment for RPV
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Topics: Brittleness, Failure, Fracture mechanics, Fracture toughness, Safety, Stress, Temperature, Fracture (Materials), Brittle fracture, Corners (Structural elements)
Proceedings Papers

Constraint Based Assessment of Postulated Nozzle Corner Cracks

Dieter Siegele, Igor Varfolomeyev, Gerhard Nagel
Proc. ASME. PVP2002, Fatigue, Fracture and Damage Analysis, Volume 2, 73-77, August 5–9, 2002
Publisher: American Society of Mechanical Engineers
Paper No: PVP2002-1352
https://doi.org/10.1115/PVP2002-1352
View Paper titled, Constraint Based Assessment of Postulated Nozzle Corner Cracks
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Topics: Corners (Structural elements), Fracture (Materials), Nozzles, Stress, Fracture toughness, Temperature, Brittleness, Failure, Accidents, Coolants
Proceedings Papers

Investigation of Constraint Effects on Fracture Toughness for CC(T) Specimens

Dieter Siegele, Igor Varfolomeyev, Kim Wallin, Gerhard Nagel
Proc. ASME. PVP2004, Flaw Evaluation, Service Experience, and Materials for Hydrogen Service, 85-89, July 25–29, 2004
Publisher: American Society of Mechanical Engineers
Paper No: PVP2004-2548
https://doi.org/10.1115/PVP2004-2548
View Paper titled, Investigation of Constraint Effects on Fracture Toughness for CC(T) Specimens
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Topics: Fracture toughness, Fracture (Materials), Stress, Temperature, Finite element analysis, Fracture mechanics, Steel, Tension
Proceedings Papers

Validation of RT To for German Reactor Pressure Vessel Steels

Elisabeth Keim, Dieter Siegele, Gerhard Nagel
Proc. ASME. PVP2005, Volume 6: Materials and Fabrication, 273-275, July 17–21, 2005
Publisher: American Society of Mechanical Engineers
Paper No: PVP2005-71197
https://doi.org/10.1115/PVP2005-71197
View Paper titled, Validation of RT To for German Reactor Pressure Vessel Steels
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Topics: Reactor vessels, Steel, Databases, Temperature, ASME Standards, Fracture (Materials), Fracture toughness, Metals
Proceedings Papers

Comparison of Reference Temperature T 0 From Instability K JC and K IC Fracture Toughness

Dieter Siegele, Elisabeth Keim, Gerhard Nagel
Proc. ASME. PVP2005, Volume 6: Materials and Fabrication, 165-170, July 17–21, 2005
Publisher: American Society of Mechanical Engineers
Paper No: PVP2005-71346
https://doi.org/10.1115/PVP2005-71346
View Paper titled, Comparison of Reference Temperature T 0 From Instability K JC and K IC Fracture Toughness
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Topics: ASME Standards, Fracture toughness, Steel, Temperature
Proceedings Papers

Estimation of Master Curve Based RT To Reference Temperature From CVN Data

Kim R. W. Wallin, Gerhard Nagel, Elisabeth Keim, Dieter Siegele
Proc. ASME. PVP2005, Volume 6: Materials and Fabrication, 241-247, July 17–21, 2005
Publisher: American Society of Mechanical Engineers
Paper No: PVP2005-71135
https://doi.org/10.1115/PVP2005-71135
View Paper titled, Estimation of Master Curve Based RT To Reference Temperature From CVN Data
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Topics: Temperature, ASME Standards, Irradiation (Radiation exposure), Pressure vessels, Steel, Welded joints, Brittleness, Embrittlement, Failure analysis, Fluence (Radiation measurement)
Proceedings Papers

Brittle Failure Assessment of a PWR-RPV for Normal-Anomalous Operation and Loss of Coolant Accident Loads

Dieter Siegele, Igor Varfolomeyev, Gerhard Nagel
Proc. ASME. PVP2005, Volume 6: Materials and Fabrication, 171-178, July 17–21, 2005
Publisher: American Society of Mechanical Engineers
Paper No: PVP2005-71347
https://doi.org/10.1115/PVP2005-71347
View Paper titled, Brittle Failure Assessment of a PWR-RPV for Normal-Anomalous Operation and Loss of Coolant Accident Loads
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Topics: Accidents, Brittleness, Coolants, Failure, Fracture mechanics, Fracture toughness, Pressurized water reactors, Stress
Journal Articles

Validation of RT T 0 for German Reactor Pressure Vessel Steels

Dieter Siegele, Elisabeth Keim, Gerhard Nagel
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research Papers
J. Pressure Vessel Technol. August 2008, 130(3): 031405.
https://doi.org/10.1115/1.2937737
Published Online: June 12, 2008
View Article titled, Validation of RT T 0 for German Reactor Pressure Vessel Steels
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Topics: Databases, Fracture toughness, Steel, Temperature, ASTM International, Reactor vessels, Fracture (Materials)
Journal Articles

Brittle Failure Assessment of a PWR-RPV for Operating Conditions and Loss of Coolant Accident

Dieter Siegele, Igor Varfolomeyev, Gerhard Nagel
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research Papers
J. Pressure Vessel Technol. August 2008, 130(3): 031403.
https://doi.org/10.1115/1.2937759
Published Online: June 6, 2008
View Article titled, Brittle Failure Assessment of a PWR-RPV for Operating Conditions and Loss of Coolant Accident
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Topics: Brittleness, Coolants, Corners (Structural elements), Failure, Flanges, Fracture (Materials), Nozzles, Stress, Transients (Dynamics), Accidents
Journal Articles

Estimation of Master Curve Based RT TO Reference Temperature From CVN Data

Kim R. W. Wallin, Gerhard Nagel, Elisabeth Keim, Dieter Siegele
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research Papers
J. Pressure Vessel Technol. August 2007, 129(3): 420–425.
https://doi.org/10.1115/1.2748823
Published Online: June 8, 2006
View Article titled, Estimation of Master Curve Based RT TO Reference Temperature From CVN Data
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Topics: Fluence (Radiation measurement), Fracture toughness, Temperature, Welded joints, Pressure vessels, Steel, ASME Standards