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Igor Varfolomeev
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Journal Articles

A Probabilistic Model for Forging Flaw Crack Nucleation Processes for Heavy Duty Gas Turbine Rotor Operations

Francesco Radaelli, Christian Amann, Ali Aydin, Igor Varfolomeev, Peter Gumbsch, Kai Kadau
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2022, 144(12): 121026.
Paper No: GTP-22-1231
https://doi.org/10.1115/1.4056044
Published Online: November 23, 2022
View Article titled, A Probabilistic Model for Forging Flaw Crack Nucleation Processes for Heavy Duty Gas Turbine Rotor Operations
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Topics: Cycles, Forging, Fracture (Materials), Gas turbines, Nucleation (Physics), Rotors, Stress, Temperature, Modeling, Shapes
Proceedings Papers

A Probabilistic Model for Forging Flaw Crack Nucleation Processes for Heavy Duty Gas Turbine Rotor Operations

Francesco Radaelli, Christian Amann, Ali Aydin, Igor Varfolomeev, Peter Gumbsch, Kai Kadau
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT25A004, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82303
https://doi.org/10.1115/GT2022-82303
View Paper titled, A Probabilistic Model for Forging Flaw Crack Nucleation Processes for Heavy Duty Gas Turbine Rotor Operations
Open the PDF for A Probabilistic Model for Forging Flaw Crack Nucleation Processes for Heavy Duty Gas Turbine Rotor Operations in another window
Topics: Forging, Fracture (Materials), Gas turbines, Nucleation (Physics), Rotors
Journal Articles

A Probabilistic Model for Forging Flaw Crack Nucleation Processes

Francesco Radaelli, Christian Amann, Ali Aydin, Igor Varfolomeev, Peter Gumbsch, Kai Kadau
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2021, 143(10): 101012.
Paper No: GTP-21-1143
https://doi.org/10.1115/1.4051426
Published Online: September 3, 2021
View Article titled, A Probabilistic Model for Forging Flaw Crack Nucleation Processes
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Topics: Cycles, Forging, Fracture (Materials), Nucleation (Physics), Stress, Calibration, Temperature, Rotors
Proceedings Papers

A Probabilistic Model for Forging Flaw Crack Nucleation Processes

Francesco Radaelli, Christian Amann, Ali Aydin, Igor Varfolomeev, Peter Gumbsch, Kai Kadau
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT28A004, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14606
https://doi.org/10.1115/GT2020-14606
View Paper titled, A Probabilistic Model for Forging Flaw Crack Nucleation Processes
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Topics: Forging, Fracture (Materials), Nucleation (Physics), Rotors
Proceedings Papers

A Critical Evaluation of Methods for Computing Small Failure Probabilities for Ductile Piping Components

Igor Varfolomeev, Denys Ivanov, Dieter Siegele
Proc. ASME. PVP2011, Volume 1: Codes and Standards, 561-568, July 17–21, 2011
Publisher: American Society of Mechanical Engineers
Paper No: PVP2011-57239
https://doi.org/10.1115/PVP2011-57239
View Paper titled, A Critical Evaluation of Methods for Computing Small Failure Probabilities for Ductile Piping Components
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Topics: Failure, Pipes, Probability, Algorithms, Fracture (Materials), Collapse, Computers, Design, Ductile fracture, Electromagnetic scattering
Proceedings Papers

Consideration of Thermally Induced Bending Load in Failure Assessment of Piping Components

Igor Varfolomeev, Wolfgang Mayinger
Proc. ASME. PVP2011, Volume 3: Design and Analysis, 603-608, July 17–21, 2011
Publisher: American Society of Mechanical Engineers
Paper No: PVP2011-57582
https://doi.org/10.1115/PVP2011-57582
View Paper titled, Consideration of Thermally Induced Bending Load in Failure Assessment of Piping Components
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Topics: Failure, Pipes, Stress, Fracture (Materials), Surges, Fracture mechanics, Bending (Stress), Circuits, Finite element model, Modeling
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

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

Numerical Analyses of Residual Stress Fields in Welded Components

Dieter Siegele, Marcus Brand, Igor Varfolomeev, Jo¨rg Hohe
Proc. ASME. PVP2009, Volume 6: Materials and Fabrication, Parts A and B, 347-352, July 26–30, 2009
Publisher: American Society of Mechanical Engineers
Paper No: PVP2009-77243
https://doi.org/10.1115/PVP2009-77243
View Paper titled, Numerical Analyses of Residual Stress Fields in Welded Components
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Topics: Numerical analysis, Residual stresses, Simulation, Stress, Welding, Base metals, Boiling water reactors, Cladding systems (Building), Fracture (Materials), Temperature