Ill Ryu

Assistant Professor - Mechanical Engineering
ill.ryu@utdallas.edu
972-883-3856
ECN2930
Tags: Mechanical Engineering

Professional Preparation

M.S. - Materials Science and Engineering
Stanford University - 2013
Ph.D. - Materials Science and Engineering with Minor in Mechanical Engineering
Stanford University - 2013
M.S. - Materials Science and Engineering
Seoul National University - 2005
B.S. - Materials Science and Engineering
Seoul National University - 2005

Publications

Matthew T. McDowell, Ill Ryu, Seok Woo Lee, Chongmin Wang, William D. Nix, Yi Cui, Studying the Kinetics of Crystalline Si Lithiation with In-Situ Transmission Electron Microscopy, Advanced Materials, 24, 6034-6041 (2012). 2012 - Publication
Hui Wu, Gerentt Chan, Jang Wook Choi, Ill Ryu, Yan Yao, Matthew T. McDowell, Seok Woo Lee, Ariel Jackson, Yuan Yang, Liangbing Hu, Yi Cui, "Stable Cycling of Double-Walled Silicon Nanotube Battery Anodes through Solid-Electrolyte Interphase Control", Nature Nanotechnology, 7, 310315 (2012). 2012 - Publication
Ill Ryu, Jang Wook Choi, Yi Cui, William D. Nix, "Size-dependent fracture of Si nanowire battery anodes", Journal of the Mechanics and Physics of Solids, 59, 1717-1730 (2011), Chosen as most cited paper in Journal of the Mechanics and Physics of Solids since 2009. 2011 - Publication
Yan Yao, Matthew T. McDowell, Ill Ryu, Hui Wu, Nian Liu, Liangbing Hu, William D. Nix, Yi Cui, "Interconnected Silicon Hollow Nanospheres for Lithium-Ion Battery Anodes with Long Cycle Life", Nano Letters, 11, 29492954 (2011). 2011 - Publication
Matthew T. McDowell, Seok Woo Lee, Ill Ryu, Hui Wu, William D. Nix, Jang Wook Choi, Yi Cui, " Novel Size and Surface Oxide Effects in Silicon Nanowires as Lithium Battery Anodes", Nano Letters, 11, 40184025 (2011). 2011 - Publication
Dongun Kim, Harsha Badarinarayan, Ill Ryu, Ji Hoon Kim, Chongmin Kim, Kazutaka Okamoto, R. H. Wagoner, Kwansoo Chung, Numerical Simulation of Friction Stir Spot Welding Process for Aluminum Alloys, Metals and Materials International, 16, 323-332 (2010). 2010 - Publication
Dongun Kim, Harsha Badarinarayan, Ill Ryu, Ji Hoon Kim, Chongmin Kim, Kazutaka Okamoto, R. H. Wagoner, Kwansoo Chung, Numerical Simulation of Friction Stir Spot Welding Process, International Journal of Material Forming, 2, 383-386 (2009). 2009 - Publication

Appointments

Postdoctoral Researcher
Brown University [2013–2016]
Graduate Research Assistant
Stanford University [2008–2013]
Digital Simulation Engineer
Renault Samsung Motors [2007–2008]
Graduate Research Assistant
Seoul National University [2005–2007]

Projects

Microscopic model for Fracture of Crystalline Si-NWs for Li Ion Batteries
2018–2018 Ill Ryu, Seokwoo Lee, Yi Cu, William D. Nix, Microscopic model for Fracture of Crystalline Si-NWs for Li Ion Batteries", The 13th International Conference on Fracture, Beijing, China (2013) : Oral presentation, Selected as Outstanding presentation on ICF13 as a young scientist.
Size dependent mechanical behaviors: defects make materials interesting
2015–2018 Ill Ryu, Size dependent mechanical behaviors: defects make materials interesting", Department of Material Science and Engineering Seminar, Texas A&M University, College station, USA (2015): Oral presentation (Invited).
Modeling internal boundary and plasticity using dislocation dynamics
2016–2018 Ill Ryu, David Srolovitz, Huajian Gao, Modeling internal boundary and plasticity using dislocation dynamics", The Schntal Symposium on Dislocation-based Plasticity, the monastery Bad Schntal, Germany (2016): Oral presentation (Invited)
Fracture of Crystalline Si-NWs for Lithium Ion Batteries
2013–2018 Ill Ryu, Seokwoo Lee, Yi Cu, William D. Nix, Fracture of Crystalline Si-NWs for Lithium Ion Batteries", Society of Engineering and Science conference, Brown University, RI, USA (2013): Oral presentation.
Size dependent plasticity in FCC micro-pillars: Source starvation and truncation
2013–2018 Ill Ryu, William D. Nix, Huajian Gao, Size dependent plasticity in FCC micro-pillars: Source starvation and truncation ", MRS fall meeting, Boston, USA (2013): Oral presentation.

Additional Information

Teaching Experience

Brown University (Providence, RI)

  • Lecturer, Title of course: Advanced Engineering Mechanics (Spring 2016) 

Stanford University (Palo Alto, CA)

  • Teaching Assistant and guest Lecturer for graduate courses 
  • Title of courses:
    • Mechanical Properties of Thin Films (Winter 2013),
    • Statistical Mechanics (Winter 2011), Microstructure and Mechanical Properties (Fall 2011), 
    • Imperfections in Crystalline Materials (Spring 2010) 

Seoul National University (Seoul, Korea) 

  • Teaching Assistant and guest Lecturer for undergraduate courses 
  • Title of courses: Engineering Mathematics (Fall 2005), Mechanics in Materials (Spring 2005) 

Barrington Christian Academy- (RI, USA) 

  • High school teacher for AP Calculus, AP Chemistry (Fall 2014~ Spring 2016) 
Society Memberships and Editorial and Professional Activities
  • Membership in MRS (Material Research Society), TMS (The Minerals, Metals and Material Society) and SES (Society of Engineering Science)
  • Journal peer review activities: Journal of the Mechanics and Physics of Solids, International, Journal of Solids and Structures, Acta Materialia, Scripta Materialia, Nano Letters, Proceedings of the royal society A 
  • Conference session chair
    • Dynamic Probing of Microstructure Evolution in Nanostructured Materials — Size Effect and Fracture/Fatigue Studies, TMS meeting, Orlando, USA (2015) 
    • Lithium ion batteries: When Chemistry meets Mechanics, Society of Engineering and Science conference, Brown University, RI, USA (2013) 
Awards and Fellowships
  • Grant support, The Schöntal Symposium on Dislocation-based Plasticity, Germany, Feb. 28, 2016 
  • Hyundai Global top talent forumBest Presentation Awards (San Francisco, USA), Aug. 23, 2014 
  • Outstanding Presentation Awards by young Researchers in ICF13 (Beijing, China), June 21, 2013
  • NSF fellowship - NSF summer institute (Northwestern University, USA), March 12, 2010 
  • Honor fellowship (Sinyang cultural foundation and Seoul National University, Korea), 1998~2003