PROFESSOR

Education 

2009  Ph.D. in Materials Science & Engineering, University of Tennessee, Knoxville, USA

2005  M.S. in Materials Science & Engineering, Seoul National University, Seoul, Korea

2003  B.S. in Materials Science & Engineering, Korea University, Seoul, Korea

Work Experiences

Professor (03/2020 – Present)

Materials Science and Engineering, Chungnam National University, Korea

Visiting Scholar (03/2018 – 02/2019)

Nuclear Engineering, North Carolina State University, Raleigh, NC, USA 

Associate Professor (03/2016 – 02/2020)

Materials Science and Engineering, Chungnam National University, Korea

Assistant Professor (02/2012 – 02/2016)

Materials Science and Engineering, Chungnam National University, Daejeon, Korea

Postdoctoral Fellow (01/2010 - 01/2012)

Materials Engineering, University of British Columbia & Canadian Neutron Beam Centre, Canada 

[Supervisors: Prof. Warren Poole (UBC), Dr. Michael Gharghouri (CNBC)]  

Graduate Research Assistant (08/2005 - 12/2009) 

Materials Science and Engineering, University of Tennessee, Knoxville, TN, USA 

(Advisor: Prof. Peter K. Liaw, Co-advisor: Prof. Hahn Choo) 

Graduate Research Assistant (03/2003 - 02/2005)

Materials Science and Engineering, Seoul National University, Seoul, Korea 

(Advisor: Prof. Tak Kang)

Korea Military Service (02/1997 - 04/1999)

Honors & Awards

- Academic Award, The Corrosion Science Society of Korea (2024)

- Excellent Paper Award, Korean Federation of Science & Technology Societies (2020)

- Best Paper Award, The Corrosion Science Society of Korea (2020)

- Commendation from a minister of Ministry of Science and ICT (2017)

- Excellent Paper Award, Materials Research Society of Korea (2015)

- New Technology Development Award, Korean Institute of Metals and Materials (2015)

- Best Poster Award: 1st Place, TMS Magnesium Technology (2011)

- 2nd Place (Graduate Division), TMS Outstanding Student Paper Contest (2009)

- Best Poster Award: 1st Place, ASM Student Poster Competition (2008)

Research Interests

1.         Deformation, Damage, and Failure Analysis of Advanced Structural Alloys (Steel, Magnesium, Aluminum, Titanium, Entropy alloy, 3D printed alloy, Zirconium,                   Superalloy, Nanocrystalline alloy etc.)

2.        Development and Application of Neutron and Synchrotron X-ray Scattering Techniques in Materials Research (Residual stress analysis, Inter/Intra-granular                 stress analyses, Texture analysis, Crack-tip plasticity, Polycrystal plasticity, Phase transformation, Solidification etc.)

3.        Application of Electrochemistry in Metals and Alloys (Corrosion, Electroplating etc.)

4.        Theoretical and constitutive modeling (Development of lifetime prediction methodology, Self-consistent modeling, Finite element modeling)

Selected Publications

1.         Y.S. Kim, T. Kang, S.K. Hong, J. Brechtl, M. Lebyodkin, Y.H. Cheng, E.W. Huang, P.K. Liaw, S. Harjo, W. Gong, C.Y. Chiang, and S.Y. Lee*, "Fundamental Mechanisms of Discontinuous Deformation in Metals for Cryogenic-environment applications", Acta Materialia, 15 (2025) 120970

2.        T.N. Lam, H.H. Chin, X. zhang, R. Feng, H. Wang, C.Y. Chiang, S.Y. Lee*, T. Kawasaki, S, Harjo, P.K. Liaw, A.C. Yeh, T.F. Chung, and E.W. Huang*, "Tensile Overload-Induced Texture Effects on the Fatique Resistance of a CoCrFeMnNi High- Entropy Alloy", Acta Materialia, 245 (2023) 118585

3.        T.N. Lam, S.Y. Lee*, N.T. Tsou, H.S. Chou, B.H. Lai, Y.J. Chang, R. Feng, T. Kawasaki, S. Harjo, P.K. Liaw, A.C. Yeh, M.J. Li, R.F. Cai, S.C. Lo, and E.W. Huang*, “Enhancement of Fatigue Resistance by Overload-Induced Deformation Twinning in a CoCrFeMnNi High Entropy Alloy”, Acta Materialia, 201 (2020) 412-424

4.        H. Wang, S.Y. Lee*, M.A. Gharghouri, P.D. Wu, and S.G. Yoon, “Deformation Behavior of Mg-8.5wt.%Al Alloy under Reverse Loading Investigated by In-Situ Neutron Diffraction and Elastic Viscoplastic Self-Consistent Modeling”, Acta Materialia, 107 (2016) 404-414

5.        S.Y. Lee, H. Wang, M.A. Gharghouri, G. Nayyeri, W. Woo, E. Shin, P.D. Wu, W.J. Poole, W. Wu, and K. An, “Deformation Behavior of Solid-Solution Strengthened Mg-   9wt.%Al Alloy: In-Situ Neutron Diffraction and Elastic-Viscoplastic Self-Consistent Modeling, Acta Materialia, 79 (2014) 139-148

6.        S.Y. Lee, P.K. Liaw, H. Choo, and R.B. Rogge, “A Study on Fatigue Crack Growth Behavior Subjected to a Single Tensile Overload: Part І. Overload-Induced Transient Crack Growth Micromechanism”, Acta Materialia, 59 (2011) 485-494

7.        S.Y. Lee, H. Choo, P.K. Liaw, K. An, and C.R. Hubbard, “A Study on Fatigue Crack Growth Behavior Subjected to a Single Tensile Overload: Part ІІ.Transfer of Stress Concentration and Its Role in Overload-Induced Transient Crack Growth”, Acta Materialia, 59 (2011) 495-502