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Journal Articles

Plastic Limit Pressure Solutions for Elbows With Slant Through-Wall Cracks

Minkyu Kim, Jaehee Kim, Moon Ki Kim, Jae-Boong Choi, Nam-Su Huh, Kyunghoon Kim

J. Pressure Vessel Technol. October 2020, 142(5): 051502.

Paper No: PVT-18-1168

DOI: https://doi.org/10.1115/1.4046885

Published Online: May 22, 2020

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Topics: Finite element analysis, Fracture (Materials), Pressure

Proceedings Papers

Development of GTN Model Parameters for Simulating Ductile Fracture Behavior of X 70 Carbon Steel SENT Specimens

Sung Ho Yoon, Tae-Young Ryu, Moon Ki Kim, Jae-Boong Choi, Ik-Joong Kim

Proc. ASME. PVP2019, Volume 6B: Materials and Fabrication, V06BT06A039, July 14–19, 2019

Paper No: PVP2019-93542

DOI: https://doi.org/10.1115/PVP2019-93542

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Topics: Carbon steel, Ductile fracture, Finite element analysis, American Petroleum Institute, Pipes, Fracture (Materials), Fracture (Process), Constitutive equations, Damage, Nucleation (Physics)

Proceedings Papers

A Study on the Pressure-Temperature Limit Curve Under High Cooling Rate for the Reactor Using Finite Element Method

Ye-Rin Choi, Min-Kyu Kim, Jae-Hee Kim, Tae-Young Ryu, Jun-Seog Yang, Moon Ki Kim, Jae-Boong Choi

Proc. ASME. PVP2018, Volume 6B: Materials and Fabrication, V06BT06A021, July 15–20, 2018

Paper No: PVP2018-84850

DOI: https://doi.org/10.1115/PVP2018-84850

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Topics: Cooling, Finite element methods, Pressure, Temperature, ASME Standards, Nuclear power stations, Accidents, Finite element analysis, Safety, Thermal shock

Proceedings Papers

A Study on the Effect of Non-Idealized Crack on a 90° Elbow by Using Finite Element Analysis

Jae-Hee Kim, Min-Kyu Kim, Ye-Rin Choi, Doo-Ho Cho, Moon Ki Kim, Jae-Boong Choi

Proc. ASME. PVP2018, Volume 6B: Materials and Fabrication, V06BT06A007, July 15–20, 2018

Paper No: PVP2018-84758

DOI: https://doi.org/10.1115/PVP2018-84758

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Topics: Finite element analysis, Fracture (Materials), Stress, Finite element model, Geometry, Pipes, Pressure, Shapes

Proceedings Papers

Investigation Into Thermal Stress Characteristics of Pipe-in-Pipe Under High Temperature Condition

Si-Hwa Jeong, Min-Gu Won, Nam-Su Huh, Yun-Jae Kim, Young-Jin Oh, Jae-Boong Choi

Proc. ASME. PVP2018, Volume 3A: Design and Analysis, V03AT03A030, July 15–20, 2018

Paper No: PVP2018-84578

DOI: https://doi.org/10.1115/PVP2018-84578

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Topics: High temperature, Pipes, Thermal stresses, Geometry, Heat transfer, Sodium fast reactors, Temperature distribution, Boundary-value problems, Convection, Finite element analysis

Proceedings Papers

Plastic Collapse Evaluation of Fuel Channel Assembly in Pressurized Heavy Water Reactor

Jun Hyeok Choi, Seok Jun Kang, Jae-Boong Choi

Proc. ASME. PVP2018, Volume 5: High-Pressure Technology; ASME Nondestructive Evaluation, Diagnosis and Prognosis Division (NDPD); Rudy Scavuzzo Student Paper Symposium and 26th Annual Student Paper Competition, V005T10A010, July 15–20, 2018

Paper No: PVP2018-84463

DOI: https://doi.org/10.1115/PVP2018-84463

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Topics: Collapse, Fuels, Heavy water reactors, Manufacturing, High temperature, Coolants, Fracture (Materials), Boiling, Creep, Finite element analysis

Journal Articles

Modified Dyson Continuum Damage Model for Austenitic Steel Alloy

Seok Jun Kang, Hoomin Lee, Jae Boong Choi, Moon Ki Kim

J. Pressure Vessel Technol. August 2018, 140(4): 041404.

Paper No: PVT-18-1030

DOI: https://doi.org/10.1115/1.4039883

Published Online: May 21, 2018

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Topics: Creep, Damage, Stress

Journal Articles

Plastic Limit Loads for Pipe-in-Pipes With Circumferential Through-Wall Cracks Based on Finite Element Analyses

Se-Chang Kim, Jae-Boong Choi, Hyun-Su Kim, Nam-Su Huh, Kyunghoon Kim

J. Pressure Vessel Technol. June 2018, 140(3): 031202.

Paper No: PVT-17-1259

DOI: https://doi.org/10.1115/1.4039846

Published Online: April 25, 2018

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Topics: Fracture (Materials), Pipes, Stress, Finite element analysis, Pressure

Journal Articles

Numerical Validations of Flaw Shape Idealization Methods to Burst Pressure Estimations of Steam Generator Tube With Axial Surface Flaws

Seung-Hyun Park, Jae-Boong Choi, Nam-Su Huh, Sang-Min Lee, Yong-Beum Kim

J. Pressure Vessel Technol. February 2018, 140(1): 011202.

Paper No: PVT-17-1123

DOI: https://doi.org/10.1115/1.4038310

Published Online: December 1, 2017

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Topics: Finite element analysis, Pressure, Shapes, Boilers

Proceedings Papers

Creep Life Prediction of HR3C Steel Using Creep Damage Models

Hoomin Lee, Seok-Jun Kang, Jae-Boong Choi, Moon-Ki Kim

Proc. ASME. PVP2017, Volume 3B: Design and Analysis, V03BT03A050, July 16–20, 2017

Paper No: PVP2017-65923

DOI: https://doi.org/10.1115/PVP2017-65923

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Topics: Creep, Damage, Steel, Power stations, Rupture, Stress, Damage mechanics, Error functions, Failure mechanisms, Finite element analysis

Proceedings Papers

Stress Intensity Factors of Pipe-In-Pipes With Circumferential Through-Wall Cracks Based on Elastic Finite Element Analyses

Se-Chang Kim, Jae-Boong Choi, Nam-Su Huh

Proc. ASME. PVP2017, Volume 6A: Materials and Fabrication, V06AT06A074, July 16–20, 2017

Paper No: PVP2017-65646

DOI: https://doi.org/10.1115/PVP2017-65646

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Topics: Finite element analysis, Fracture (Materials), Pipes, Stress, Damage, Dimensions, Failure, Pollution, Pressure, Shapes

Proceedings Papers

Effects of Creep Deformation Model of Gr. 91 Steel at 600°C on Creep Fracture Mechanics Parameters

Min-Gu Won, Nam-Su Huh, Hyeong-Yeon Lee, Woo-Gon Kim, Jae-Boong Choi

Proc. ASME. PVP2017, Volume 6A: Materials and Fabrication, V06AT06A067, July 16–20, 2017

Paper No: PVP2017-65689

DOI: https://doi.org/10.1115/PVP2017-65689

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Topics: Creep, Fracture mechanics, Steel, Finite element analysis, Stress

Proceedings Papers

Comparative Creep Life Evaluation of HR3C Using Creep Damage Models

Seok-Jun Kang, Hoomin Lee, Moon-Ki Kim, Jae-Boong Choi

Proc. ASME. PVP2017, Volume 6A: Materials and Fabrication, V06AT06A071, July 16–20, 2017

Paper No: PVP2017-65908

DOI: https://doi.org/10.1115/PVP2017-65908

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Topics: Creep, Damage, High temperature, Rupture, Materials properties, Power stations, Stress, Cavitation, Cycles, Energy efficiency

Journal Articles

A New Stress Intensification Factor of Pipe-In-Pipes Based on Finite Element Analyses

Se-Chang Kim, Jae-Boong Choi, Moon Ki Kim, Hyun-Su Kim, Nam-Su Huh

J. Pressure Vessel Technol. August 2017, 139(4): 041205.

Paper No: PVT-16-1218

DOI: https://doi.org/10.1115/1.4036427

Published Online: April 21, 2017

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Topics: Breakwaters, Pipes, Stress, Pressure, Finite element analysis

Journal Articles

Engineering Approach Based on Reference Stress Concept for Calculating J and Crack Opening Displacement of Complex-Cracked Pipes

Jae-Uk Jeong, Jae-Boong Choi, Nam-Su Huh, Do-Jun Shim, Yun-Jae Kim

J. Pressure Vessel Technol. June 2017, 139(3): 031206.

Paper No: PVT-16-1139

DOI: https://doi.org/10.1115/1.4035082

Published Online: January 11, 2017

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Topics: Pipes, Stress, Fracture (Materials)

Proceedings Papers

On a Design Acceptability of 90° Elbow According to Pipe Length at Elevated Temperature Condition

Seong-Yun Jeong, Min-Gu Won, Jae-Boong Choi, Nam-Su Huh, Young-Jin Oh

Proc. ASME. PVP2016, Volume 3: Design and Analysis, V003T03A091, July 17–21, 2016

Paper No: PVP2016-63317

DOI: https://doi.org/10.1115/PVP2016-63317

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Topics: Design, Pipes, Temperature, Damage, Creep, Sodium fast reactors, Fatigue, Fatigue damage, Finite element analysis, Generation IV reactors

Proceedings Papers

Finite Element Simulation of Creep Deformation for Gr. 91 Steel at 600 °C Using Garofalo Model

Min-Gu Won, Jae-Boong Choi, Nam-Su Huh, Hyeong-Yeon Lee, Woo-Gon Kim

Proc. ASME. PVP2016, Volume 6A: Materials and Fabrication, V06AT06A056, July 17–21, 2016

Paper No: PVP2016-63445

DOI: https://doi.org/10.1115/PVP2016-63445

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Topics: Creep, Finite element analysis, Simulation, Steel

Proceedings Papers

Coalescence Pressure Evaluation of Multiple Through-Wall Cracks in Steam Generator Tube Using Elastic-Plastic Finite Element Analyses

Jin-Won Hong, Jae-Boong Choi, Nam-Su Huh

Proc. ASME. PVP2015, Volume 1B: Codes and Standards, V01BT01A019, July 19–23, 2015

Paper No: PVP2015-45451

DOI: https://doi.org/10.1115/PVP2015-45451

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Topics: Boilers, Finite element analysis, Fracture (Materials), Pressure, In-service inspection

Proceedings Papers

On a Flaw Shape Idealization of Axial Surface Flaws for Structural Integrity Assessment of Steam Generator Tubes

Seung-Hyun Park, Jae-Boong Choi, Nam-Su Huh

Proc. ASME. PVP2015, Volume 5: High-Pressure Technology; Rudy Scavuzzo Student Paper Competition and 23rd Annual Student Paper Competition; ASME NDE Division, V005T09A003, July 19–23, 2015

Paper No: PVP2015-45446

DOI: https://doi.org/10.1115/PVP2015-45446

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Topics: Boilers, Shapes, Fracture (Materials), Nuclear power stations, Pressure, Alloys, Electric power generation, Energy resources, Finite element analysis, Heat exchangers

Proceedings Papers

Estimation of Stress Intensity Factor for Circumferential Through-Wall Cracked Elbows Subjected to In-Plane Bending

Han-Bum Surh, Jong Wook Kim, Min Kyu Kim, Min-Gu Won, Moon Ki Kim, Jae-Boong Choi, Nam-Su Huh

Proc. ASME. PVP2015, Volume 6A: Materials and Fabrication, V06AT06A055, July 19–23, 2015

Paper No: PVP2015-45457

DOI: https://doi.org/10.1115/PVP2015-45457

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Topics: Stress, Pipes, Fatigue cracks, Finite element analysis, Fracture mechanics, Nuclear power stations, Thin wall structures, Wall thickness

Journal citation

NARROW

Plastic Limit Pressure Solutions for Elbows With Slant Through-Wall Cracks

Development of GTN Model Parameters for Simulating Ductile Fracture Behavior of X 70 Carbon Steel SENT Specimens

A Study on the Pressure-Temperature Limit Curve Under High Cooling Rate for the Reactor Using Finite Element Method

A Study on the Effect of Non-Idealized Crack on a 90° Elbow by Using Finite Element Analysis

Investigation Into Thermal Stress Characteristics of Pipe-in-Pipe Under High Temperature Condition

Plastic Collapse Evaluation of Fuel Channel Assembly in Pressurized Heavy Water Reactor

Modified Dyson Continuum Damage Model for Austenitic Steel Alloy

Plastic Limit Loads for Pipe-in-Pipes With Circumferential Through-Wall Cracks Based on Finite Element Analyses

Numerical Validations of Flaw Shape Idealization Methods to Burst Pressure Estimations of Steam Generator Tube With Axial Surface Flaws

Creep Life Prediction of HR3C Steel Using Creep Damage Models

Stress Intensity Factors of Pipe-In-Pipes With Circumferential Through-Wall Cracks Based on Elastic Finite Element Analyses

Effects of Creep Deformation Model of Gr. 91 Steel at 600°C on Creep Fracture Mechanics Parameters

Comparative Creep Life Evaluation of HR3C Using Creep Damage Models

A New Stress Intensification Factor of Pipe-In-Pipes Based on Finite Element Analyses

Engineering Approach Based on Reference Stress Concept for Calculating J and Crack Opening Displacement of Complex-Cracked Pipes

On a Design Acceptability of 90° Elbow According to Pipe Length at Elevated Temperature Condition

Finite Element Simulation of Creep Deformation for Gr. 91 Steel at 600 °C Using Garofalo Model

Coalescence Pressure Evaluation of Multiple Through-Wall Cracks in Steam Generator Tube Using Elastic-Plastic Finite Element Analyses

On a Flaw Shape Idealization of Axial Surface Flaws for Structural Integrity Assessment of Steam Generator Tubes

Estimation of Stress Intensity Factor for Circumferential Through-Wall Cracked Elbows Subjected to In-Plane Bending

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