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Xiaoding Wei
Ph.D., Assistant Professor
Department of Mechanics and Engineering Science
College of Engineering, Peking University
Beijing, 100871, China

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•B.S., Modern Mechanics, University of Science and Technology of China, 2003

•M.S., Mechanical Engineering, Columbia University, 2004

•Ph.D., Mechanical Engineering, Columbia University, 2009

Research Areas

Low-dimensional materials, Bioinspired hierarchical composites, Multifunctional materials, Nano-mechanical experiments, Multi-scale computations and modeling.

Research Profile

Advances in novel materials has been the driving force for social, scientific and technological progress. Design, manufacturing and application of advanced materials rely on whether we fully understand their mechanical properties and the underlying physics and mechanisms. In our lab, we design experimentations to characterize the mechanical properties of low-dimensional materials, including nanowire (1D), graphene and metallic films (2D) and hierarchical and functional composites (3D). Combining experimental measurements with multi-level modeling techniques, such as Finite Element Simulation, Molecular Dynamics Simulation and First Principle Calculation, we try to understand the nano-mechanics of materials at the atomic level, and guide the design and synthesis of advanced materials in a bottom-up approach.

Professional Honors and Awards

•Recipient of “Thousand Young Talents” program, 2015

Professional Activities

•Committee member of the Nuclear Engineering Mechanics Association in Chinese Nuclear Society

•Peer reviewer for Carbon, MRS Communication, AIP Advances, Nanotechnology, Journal of Physics D Applied Physics, Journal of Thin Solid Films, Journal of Applied Mechanics, Journal of Experimental Mechanics, etc.

Selected Recent Publications

  1. Xiaoding Wei, Zhaoxu Meng, Luis Ruiz, Wenjie Xia, Changgu Lee, Jeffrey W Kysar, James C Hone, Sinan Keten, and Horacio D Espinosa, Recoverable Slippage Mechanism in Multilayer Graphene Leads to Repeatable Energy Dissipation. ACS nano, 2016. 10(2): p. 1820-1828.
  2. Xiaoding Wei, Lily Mao, Rafael A Soler-Crespo, Jeffrey T Paci, Jiaxing Huang, SonBinh T Nguyen, and Horacio D Espinosa, Plasticity and ductility in graphene oxide through a mechanochemically induced damage tolerance mechanism. Nature Communications, 2015. 6.
  3. Xiaoding Wei, Matthew Ford, Rafael A Soler-Crespo, and Horacio D Espinosa, A new Monte Carlo model for predicting the mechanical properties of fiber yarns. Journal of the Mechanics and Physics of Solids, 2015. 84: p. 325-335.
  4. Xiaoding Wei, Tobin Filleter, and Horacio D Espinosa, Statistical shear lag model–Unraveling the size effect in hierarchical composites. Acta biomaterialia, 2015. 18: p. 206-212.
  5. Xiaoding Wei, Phuong Tran, Alban de Vaucorbeil, Ravi Bellur Ramaswamy, Felix Latourte, and Horacio D Espinosa, Three-Dimensional Numerical Modeling of Composite Panels Subjected to Underwater Blast. Journal of the Mechanics and Physics of Solids, 2013: p. 1319–1336.
  6. Xiaoding Wei, Alban de Vaucorbeil, Phuong Tran, and Horacio D Espinosa, A new Rate-dependent Unidirectional Composite Model-Application to Panels Subjected to Underwater Blast. Journal of the Mechanics and Physics of Solids, 2013: p. 1305–1318.
  7. Xiaoding Wei, Mohammad Naraghi, and Horacio D Espinosa, Optimal length scales emerging from shear load transfer in natural materials: application to carbon-based nanocomposite design. Acs Nano, 2012. 6(3): p. 2333-2344.
  8. Xiaoding Wei, Benjamin Fragneaud, Chris A Marianetti, and Jeffrey W Kysar, Nonlinear elastic behavior of graphene: Ab initio calculations to continuum description. Physical Review B, 2009. 80(20): p. 205407.
  9. Xiaoding Wei, Dongyun Lee, Sanghoon Shim, Xi Chen, and Jeffrey W Kysar, Plane-strain bulge test for nanocrystalline copper thin films. Scripta materialia, 2007. 57(6): p. 541-544.
  10. Changgu Lee, Xiaoding Wei, Qunyang Li, Robert Carpick, Jeffrey W Kysar, and James Hone, Elastic and frictional properties of graphene. physica status solidi (b), 2009. 246(11?12): p. 2562-2567.
  11. Changgu Lee, Xiaoding Wei, Jeffrey W Kysar, and James Hone, Measurement of the elastic properties and intrinsic strength of monolayer graphene. science, 2008. 321(5887): p. 385-388.