Myoung-Gyu Lee

Seoul National University - Department of Materials Science and Engineering

SCHOLARLY PAPERS

14

DOWNLOADS

369

TOTAL CITATIONS

4

Scholarly Papers (14)

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1.

Understanding Plasticity in Multiphase Quenching & Partitioning Steels: Insights from Crystal Plasticity with Stress State-Dependent Martensitic Transformation

Number of pages: 62 Posted: 07 May 2024
Jinheung Park, Yong Hou, Junying Min, Zeran Hou, Heung Nam Han, Binbin He and Myoung-Gyu Lee
Seoul National University - Department of Materials Science and Engineering, Seoul National University, Tongji University, Tongji University, Seoul National University - Research Institute of Advanced Materials, Southern University of Science and Technology and Seoul National University - Department of Materials Science and Engineering
Downloads 59 (779,960)
Citation 2

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Crystal plasticity, Quenching and partitioning steel, Martensitic transformation, TRIP effect, Stress state, Yield surface

2.

Pre-Strain and Hydrogen Charging Effect on Plastic and Fracture Behaviour of Quenching and Partitioning (Q&P) Steel

Number of pages: 50 Posted: 19 Jul 2023
Hye-Jin Kim, Geonjin Shin, Jinheung Park, Myoung-Gyu Lee, Ki-Jung Kim and Seung Chae Yoon
Seoul National University - Department of Materials Science and Engineering, Seoul National University - Department of Materials Science and Engineering, Seoul National University - Department of Materials Science and Engineering, Seoul National University - Department of Materials Science and Engineering, Hyundai Steel Company - R&D Center and Hyundai Steel Company - R&D Center
Downloads 57 (793,413)
Citation 1

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Hydrogen embrittlement, Quench and partitioning steel, Pre-strain, Fracture, Plasticity, Finite element modeling

3.

Identification of Inhomogeneous Flow Stress of Friction Stir Welded Aluminum Alloy Sheets Using Finite Element-Based Virtual Fields Method

Number of pages: 69 Posted: 12 Sep 2022
Chanyang Kim, Dongjoon Myung, Daeyong Kim and Myoung-Gyu Lee
Korea Institute of Materials Science, Seoul National University, Chonnam National University and Seoul National University - Department of Materials Science and Engineering
Downloads 51 (837,654)

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Virtual fields method, friction stir welding, aluminum alloy, inverse method, mechanical properties

4.

Analysis of Hydrogen Trapping Behaviour in Plastically Deformed Quenching and Partitioning Steel in Relation to Microstructure Evolution by Phase Transformation

Number of pages: 31 Posted: 03 Jan 2022
Hye-Jin Kim and Myoung-Gyu Lee
Hyundai Steel Company - Automotive Application Engineering Team and Seoul National University - Department of Materials Science and Engineering
Downloads 40 (931,969)
Citation 1

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A. characterization, A. hydrogen permeation, A. thermal desorption analysis, A. electron microscopy, B. quenched & partitioned steel, C. plastic strain, C. hydrogen trapping

5.

Modeling Hydrogen Diffusion and its Interaction with Deformed Microstructure Involving Phase Transformation – Theory, Numerical Formulation, and Validation

Number of pages: 64 Posted: 07 Mar 2025
Jinheung Park, Geonjin Shin, Kijung Kim, Taejoon Park, Farhang Pourboghrat, Seok Su Sohn and Myoung-Gyu Lee
Seoul National University - Department of Materials Science and Engineering, Seoul National University - Department of Materials Science and Engineering, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Korea University - Department of Materials Science and Engineering and Seoul National University - Department of Materials Science and Engineering
Downloads 22 (1,130,516)

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Hydrogen diffusion, Martensitic transformation, Crystal Plasticity, Transformation-induced hydrogen release, Hydrogen-enhanced localized plasticity, Hydrogen-enhanced phase transformation

6.

Distortional Hardening Revisited: Advanced Strength Prediction Model after Multi-Directional Forming

Number of pages: 45 Posted: 20 Jul 2024
Seonghwan Choi, Seungwoo Kim, Soo-Chang Kang and Myoung-Gyu Lee
Seoul National University, Seoul National University, affiliation not provided to SSRN and Seoul National University - Department of Materials Science and Engineering
Downloads 21 (1,142,889)

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Anisotropic hardening, finite element analysis, Stress update algorithm, Pipe forming process, Multi-axial forming

7.

Novel Distortional Anisotropic Hardening Model Mediated by Microstructure Evolutions in Polycrystalline Metals: Theory and Validation

Number of pages: 47 Posted: 24 Jun 2024
Seonghwan Choi, Soo-Chang Kang, Jinwoo Lee and Myoung-Gyu Lee
Seoul National University, affiliation not provided to SSRN, Ulsan University and Seoul National University - Department of Materials Science and Engineering
Downloads 20 (1,155,468)

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Distortional hardening, Bauschinger effect, Anisotropic hardening, Crystal Plasticity, Texture evolution

8.

Ferrite-Enabled Improvement of Hydrogen Embrittlement Through Strain Partitioning in Quenching and Partitioning Steels

Number of pages: 44 Posted: 05 Apr 2024
Ki Jeong Kim, Sang Yoon Song, Gunjick Lee, Hye-Jin Kim, Ho Yong Um, Joo Sik Huyn, Seung-Pill Jung, KenHee Ryou, Pyuck-Pa Choi, Alireza Zargaran, Myoung-Gyu Lee and Seok Su Sohn
Korea University, Korea University - Department of Materials Science and Engineering, Korea University, Seoul National University - Department of Materials Science and Engineering, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Korea Advanced Institute of Science and Technology (KAIST) - Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST) - Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH) - Graduate Institute of Ferrous & Energy Materials Technology, Seoul National University - Department of Materials Science and Engineering and Korea University - Department of Materials Science and Engineering
Downloads 20 (1,155,468)

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Q&P steel, Hydrogen embrittlement, Retained austenite, Austenite stability, Strain partitioning

9.

Multi-Scale Friction Model for Automotive Brake System Incorporating Tribological Effects of Surface Asperities

Number of pages: 87 Posted: 09 Apr 2025
Jung Yun Won, Hyungjo Seo, Youngjae Kim, Hoejeong Jeong, Joonseok Kyeong, Woojeong Oh and Myoung-Gyu Lee
Seoul National University, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN and Seoul National University - Department of Materials Science and Engineering
Downloads 19 (1,167,727)

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Multi-scale friction model, surface topology, automotive brake system, Finite Element Analysis, Tribology

10.

Effect of Shear-Inducing Γ-Fiber Orientations and Deformation on Microscale Surface Roughness of Ferritic Stainless Steels

Number of pages: 33 Posted: 27 Mar 2024
Yangjin Chung, Jinheung Park, Hyung-Rim Lee and Myoung-Gyu Lee
affiliation not provided to SSRN, Seoul National University - Department of Materials Science and Engineering, Seoul National University and Seoul National University - Department of Materials Science and Engineering
Downloads 15 (1,216,436)

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Crystal plasticity, Simplified roping method, Ridging, Ferritic stainless steel, γ-fiber, Shear strain

11.

Damage-Coupled Crystal Plasticity Model for Predicting Ductile Fracture Behavior of Cast Al–Si–Mg Alloy

Number of pages: 49 Posted: 16 Apr 2025
Hyuk Jong Bong, Woojin Jeong, Kyung Mun Min, Chanyang Kim, Jinwoo Lee and Myoung-Gyu Lee
Gyeongsang National University, Seoul National University, Seoul National University - Research Institute of Advanced Materials, Kunsan National University, University of Ulsan and Seoul National University - Department of Materials Science and Engineering
Downloads 12 (1,250,568)

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Crystal Plasticity, Eshelby inclusion theory, Eutectic Si, Damage modeling

12.

Constitutive modeling of polymer composite friction material: Integrating anisotropy, pseudo-hyperelasticity, and viscoelasticity

Number of pages: 50 Posted: 18 Mar 2025
Youngjae Kim, Taehyun Kim, Hyunki Kim, Jung Yun Won, Gyu-Jang Sim and Myoung-Gyu Lee
affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Seoul National University, affiliation not provided to SSRN and Seoul National University - Department of Materials Science and Engineering
Downloads 12 (1,250,568)

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Constitutive modeling, friction material, polymer composites, finite element simulation

13.

Modeling the Transition from Ductile to Brittle Fracture Induced by Hydrogen-Assisted Mechanical Degradation in Quenching and Partitioning (Q&P) Steel

Number of pages: 33 Posted: 08 Apr 2025
Geonjin Shin, Jinheung Park, Sang Yoon Song, Kijung Kim, Hye-Jin Kim, Seok Su Sohn and Myoung-Gyu Lee
Seoul National University - Department of Materials Science and Engineering, Seoul National University - Department of Materials Science and Engineering, Korea University - Department of Materials Science and Engineering, affiliation not provided to SSRN, Seoul National University - Department of Materials Science and Engineering, Korea University - Department of Materials Science and Engineering and Seoul National University - Department of Materials Science and Engineering
Downloads 11 (1,261,102)

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Hydrogen Embrittlement, Quenching and Partitioning (Q&P) steel, Uncoupled fracture model, Ductile-to-brittle transition, Continuum thermodynamics

14.

Finite Element Formulations for Surface Tension Effects in Deformable Solids: With Focus on User Element (Uel) Development

Number of pages: 42 Posted: 09 Apr 2025
Seonghwan Choi, Jongwon Baek, Minjae Hur, Jiwoong Sue and Myoung-Gyu Lee
Seoul National University, SK hynix Inc, SK hynix Inc, SK hynix Inc and Seoul National University - Department of Materials Science and Engineering
Downloads 10 (1,271,087)

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Surface tension, Finite element, User-defined element, Young-Laplace equation, Droplet oscillation, Droplet wetting