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Proceedings Papers

Determination of Irradiated Stainless Steel Properties and Its Effects on Reactor Vessel Internals

Dong-Hyeon Kwak, Jae Min Sim, Yoon-Suk Chang, Byeong Seo Kong, Changheui Jang
Proc. ASME. PVP2022, Volume 4B: Materials and Fabrication, V04BT06A049, July 17–22, 2022
Paper No: PVP2022-84936
DOI: https://doi.org/10.1115/PVP2022-84936
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Topics: Compression, Finite element analysis, Irradiation (Radiation exposure), Reactor vessels, Stainless steel, Dislocation density, Materials properties, Stress-strain curves, Boundary-value problems, Constitutive equations
Proceedings Papers

Mechanical Properties of Ion-Irradiated Stainless Steel Determined by Nanoindentation Tests and Finite Element Analyses

Jae Min Sim, Yoon-Suk Chang, Byeong Seo Kong, Changheui Jang
Proc. ASME. PVP2020, Volume 6: Materials and Fabrication, V006T06A104, August 3, 2020
Paper No: PVP2020-21507
DOI: https://doi.org/10.1115/PVP2020-21507
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Topics: Finite element analysis, Irradiation (Radiation exposure), Mechanical properties, Nanoindentation, Stainless steel
Proceedings Papers

Environmentally-Assisted Fatigue Behavior of 316 Stainless Steels in Simulated PWR Primary Environment: Strain Holding, Zn-Addition, and Their Combined Effect

Hyeon Bae Lee, Ho-Sub Kim, Junjie Chen, Changheui Jang, Tae Soon Kim, Gary L. Stevens, Kawaljit Ahluwalia
Proc. ASME. PVP2019, Volume 1: Codes and Standards, V001T01A012, July 14–19, 2019
Paper No: PVP2019-93134
DOI: https://doi.org/10.1115/PVP2019-93134
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Topics: Fatigue, Pressurized water reactors, Stainless steel, Hardening, Corrosion resistance, Dislocation density, Dislocations, Fracture (Materials), Low cycle fatigue
Proceedings Papers

Diffusion Bonding of a Cold-Worked Ni-Base Superalloy

Sung Hwan Kim, Chaewon Kim, Changheui Jang
Proc. ASME. ETAM2018, ASME 2018 Symposium on Elevated Temperature Application of Materials for Fossil, Nuclear, and Petrochemical Industries, V001T02A004, April 3–5, 2018
Paper No: ETAM2018-6716
DOI: https://doi.org/10.1115/ETAM2018-6716
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Topics: Diffusion bonding (Metals), Superalloys, Failure, Alloys, Bonding, Brittleness, Grain boundary diffusion, Heat, Recrystallization, Temperature
Proceedings Papers

Fatigue Crack Growth Rate and Fracture Resistance of Heat Affected Zone of Type 316L Stainless Steel With Narrow Gap Welds

Ho-Jung Lee, Minu Kim, Changheui Jang, Sun-Young Cho, Jun-Seog Yang
Proc. ASME. PVP2011, Volume 6: Materials and Fabrication, Parts A and B, 427-431, July 17–21, 2011
Paper No: PVP2011-57782
DOI: https://doi.org/10.1115/PVP2011-57782
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Topics: Fatigue cracks, Fracture (Materials), Heat, Stainless steel, Welded joints, Fracture (Process), Base metals, Coolants, Design, Fracture toughness
Proceedings Papers

Probabilistic Fracture Mechanics Application for Alloy 82/182 Welds in PWRS

Jong-Dae Hong, Changheui Jang
Proc. ASME. PVP2010, ASME 2010 Pressure Vessels and Piping Conference: Volume 5, 327-333, July 18–22, 2010
Paper No: PVP2010-25176
DOI: https://doi.org/10.1115/PVP2010-25176
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Topics: Alloys, Fracture mechanics, Pressurized water reactors, Welded joints, Fracture (Materials), Failure, Probability, Water chemistry, Cracking (Materials), Fracture (Process)
Proceedings Papers

Incorporation of Materials’ Sensitive Simulation Technique Into the PINTIN-CAM Code for Integrity of Nuclear Piping System

Debashis Datta, Changheui Jang
Proc. ASME. PVP2010, ASME 2010 Pressure Vessels and Piping Conference: Volume 1, 491-498, July 18–22, 2010
Paper No: PVP2010-25395
DOI: https://doi.org/10.1115/PVP2010-25395
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Topics: Piping systems, Simulation, Fracture (Materials), Failure, Fatigue, Stress corrosion cracking, Design, Fracture mechanics, Nozzles, Pressurized water reactors
Proceedings Papers

Failure Assessment of Nuclear Piping Components Due to Combined Degradation Mechanisms by an Advanced Probabilistic Fracture Mechanics Code

Debashis Datta, Changheui Jang
Proc. ASME. PVP2009, Volume 1: Codes and Standards, 687-694, July 26–30, 2009
Paper No: PVP2009-77904
DOI: https://doi.org/10.1115/PVP2009-77904
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Topics: Failure, Fracture mechanics, Pipes, Failure mechanisms, Fatigue, Fracture (Materials), Failure analysis, Manufacturing, Piping systems, Stress corrosion cracking
Proceedings Papers

Creep-Environment Interactions of Alloy 617 at Elevated Temperature

Daejong Kim, Changheui Jang, Woo Seog Ryu
Proc. ASME. PVP2008, Volume 6: Materials and Fabrication, Parts A and B, 1215-1220, July 27–31, 2008
Paper No: PVP2008-61415
DOI: https://doi.org/10.1115/PVP2008-61415
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Topics: Alloys, Creep, Temperature, Deformation, Ducts, Heat exchangers, Helium, High temperature, Nickel, Recrystallization
Proceedings Papers

Development of Probabilistic Fracture Mechanics Code for Primary System Pipes and Application for RI-ISI

Changheui Jang, Debashis Datta, Jun-Seog Yang
Proc. ASME. PVP2008, Volume 1: Codes and Standards, 439-446, July 27–31, 2008
Paper No: PVP2008-61831
DOI: https://doi.org/10.1115/PVP2008-61831
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Topics: Fracture mechanics, Pipes, Risk-informed in-service inspection, Risk, Piping systems, Failure, In-service inspection, Probability, Coolants, Maintenance
Proceedings Papers

Cyclic Hardening Behaviors and Reduction in Fatigue Life of Type 316LN Austenitic Stainless Steel in 310°C Low Oxygen-Containing Water

Hyunchul Cho, Byoung Koo Kim, Changheui Jang, In Sup Kim, Seung Mo Hong
Proc. ASME. ICONE14, Volume 1: Plant Operations, Maintenance and Life Cycle; Component Reliability and Materials Issues; Codes, Standards, Licensing and Regulatory Issues; Fuel Cycle and High Level Waste Management, 547-552, July 17–20, 2006
Paper No: ICONE14-89464
DOI: https://doi.org/10.1115/ICONE14-89464
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Topics: Fatigue life, Hardening, Low cycle fatigue, Oxygen, Stainless steel, Water
Proceedings Papers

An Economic Assessment Methodology for Replacement of the Components of Nuclear Power Plant

Ho-Rim Moonn, Changheui Jang, Jun-Hyun Park, Ill-Seok Jeong, Tae-Ryong Kim
Proc. ASME. PVP2002, Selected Topics on Aging Management, Reliability, Safety and License Renewal, 93-100, August 5–9, 2002
Paper No: PVP2002-1379
DOI: https://doi.org/10.1115/PVP2002-1379
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Topics: Economic analysis, Nuclear power stations, Decision analysis, Uncertainty, Probability, Boilers