Dr. Garritt Tucker

Assistant Professor

Contact Information

LeBow 335A
(215) 571-4613

Education

  • Ph.D., Materials Science and Engineering, GEORGIA INSTITUTE OF TECHNOLOGY, 2011 (Advisor: Prof. David L. McDowell).
  • B.S., Physics, Mathematics, WESTMINSTER COLLEGE, 2004 (Advisors: Prof. Christopher A. Cline, Prof. Carolyn Connell).

Professional History

  • DREXEL UNIVERSITY - Philadelphia, PA (2013), Assistant Professor, Department of Materials Science and Engineering.
  • SANDIA NATIONAL LABORATORIES - Albuquerque, NM (2011-2013), Postdoctoral Research Appointee, Computational Materials Science and Engineering (Advisor: Dr. Stephen Foiles).
  • SANDIA NATIONAL LABORATORIES - Livermore, CA (2008), Graduate Student Intern - Enabling Predictive Simulation Research Institute (Advisor: Dr. Jonathan Zimmerman).
  • GEORGIA INSTITUTE OF TECHNOLOGY - Atlanta, GA (2005-2011), Graduate Research Assistant, Department of Materials Science and Engineering.

Selected Honors and Awards

  • Sigma Xi Nomination, Georgia Institute of Technology
  • MSE Department Fellowship, Georgia Institute of Technology
  • External Advisory Board Fellowship, Georgia Institute of Technology
  • Outstanding Physics Senior, Westminster College
  • Academic All-American, Westminster College
  • Gore Science/Mathematics Scholarship, Westminster College

Research Interests

  • Investigate nanoscale structure/property relationships and the behavior of materials in extreme environments with atomistic simulations.
  • Employ large-scale computational simulations to investigate microstructural evolution and damage tolerance in functional materials.
  • Study defect/interface interactions and the influence of impurities in nanostructured metals.
  • Formulate novel approaches to extract and translate useful information from atomistic simulations into continuum models.
  • Develop synergistic efforts between computational and experimental methodologies to advance our fundamental understanding of materials for both structural and energetic applications.

Selected Publications and Presentations

  1. Tucker, G.J. and Foiles, S., "Rate-Dependent Grain Growth During the Surface Indentation of Nanocrystalline Nickel," Materials Science and Engineering A, in press, 2012.
  2. Tucker, G.J., Aitken, Z., Greer, J.R., and Weinberger, C.R. "The Mechanical Behavior and Deformation of Bicrystalline Nanowires," Modelling and Simulation in Materials Science and Engineering, accepted, 2012.
  3. Weinberger, C.R. and Tucker, G.J., "Atomistic Simulations of Dislocation Pinning Points in Nanowires," Modelling and Simulation in Materials Science and Engineering, accepted, 2012.
  4. Tiwari, S., Tucker, G.J., and D.L. McDowell, "Simulated Defect Growth Avalanches during Deformation of Nanocrystalline Copper." Philosophical Magazine, accepted, 2012.
  5. Tucker, G.J., Zimmerman, J.A., and D.L. McDowell. "Investigating the deformation of nanocrystalline copper with microscale kinematic metrics and molecular dynamics." Journal of the Mechanics and Physics of Solids, 2012.
  6. Xiong, L., Deng, Q., Tucker, G.J., McDowell, D.L., and Chen, Y., "A concurrent scheme for passing dislocations from atomistic to continuum domains". Journal of the Mechanics and Physics of Solids, 2012.
  7. Tucker, G.J., Tiwari, S., and D.L. McDowell, "Exploring Interfacial-Mediated Plasticity and the Deformation Mechanisms in Nanocrystalline Materials." Society of Engineering Sciences, Atlanta, GA, 2012.
  8. Tucker, G.J., Foiles, S., Padilla, H., and Boyce, B., "Exploring the Deformation and Mechanics of Twinned Nanocrystalline Copper with Atomistic Simulations." Society of Engineering Sciences, Atlanta, GA, 2012.  
  9. Tucker, G.J., Tiwari, S., Zimmerman, J.A., and D.L. McDowell, "Resolving the Contribution of Interfaces in the Deformation of Nanocrystalline Copper with Atomistic Simulations." The Minerals, Metals, and Materials Society (TMS) Conference, Orlando, FL, 2012.
  10. Tucker, G.J., Aitken, Z., Greer, J., and Weinberger, C., "Investigating the Role of Grain Boundaries during the Plastic Deformation of Bicrystalline Nanowires using Molecular Dynamics." The Minerals, Metals, and Materials Society (TMS) Conference, Orlando, FL, 2012.
  11. Tucker, G.J., Zimmerman, J.A., and D.L. McDowell. "Continuum Metrics for Deformation and Microrotation from Atomistic Simulations: Application to Grain Boundaries." International Journal of Engineering Sciences, 2011.
  12. Tucker, G.J., and D.L. McDowell. "Non-Equilibrium Structure and Inelastic Deformation using Atomistic Simulations." International Journal of Plasticity, 2011.
  13. Xiong, L., Tucker, G.J., McDowell, D.L., and Chen, Y., "Coarse-grained atomistic simulation of dislocations". Journal of the Mechanics and Physics of Solids, 2011.
  14. Tucker, G.J., Tschopp, M.A., and D.L. McDowell. "Evolution of Structure and Free Volume in Symmetric Tilt Boundaries during Dislocation Nucleation." Acta Materialia, 2010.
  15. Tucker, G.J., Zimmerman, J.A., and D.L. McDowell. "Shear Deformation Kinematics of Bicrystalline Grain Boundaries in Atomistic Simulations." Modelling Simulation in Materials Science and Engineering, 2010.
  16. Tucker, G.J. and McDowell, D.L., "Probing Non-Equilibrium Grain Boundary Plasticity at the Nanoscale with Atomistic Simulations," International Symposium on Plasticity, St. Kitts and Nevis, 2010.
  17. Tucker, G.J., Zimmerman, J.A., and D.L. McDowell, "Atomic-scale deformation kinematics for bicrystal grain boundaries under shear loading." The 12th International Conference on Fracture (Keynote), Ottawa, Canada, 2009.
  18. J.A. Zimmerman, R.E. Jones, J.A. Templeton, D.L. McDowell, J.R. Mayeur, G.J. Tucker, D.J. Bammann and H. Gao, "Development of Advanced Continuum Models that Incorporate Nanomechanical Deformation into Engineering Analysis", Technical Report SAND2008-6066, Sandia National Laboratories, September 2008.
  19. Tschopp, M.A., Tucker, G.J., and D.L. McDowell. "Atomistic simulations of tension-compression asymmetry in dislocation nucleation for copper grain boundaries." Computational Materials Science, 2008.
  20. Tucker, G.J., Tschopp, M.A., and D.L. McDowell, "Atomistic simulations of dislocation nucleation at copper grain boundaries under uniaxial tension and compression," The Minerals, Metals, and Materials Society (TMS), Hael Mughrabi Honorary Symposium: Plasticity, Failure and Fatigue in Structural Materials, New Orleans, LA, 2008.
  21. Tschopp, M.A., Tucker, G.J., and D.L. McDowell. "Structure and Free Volume of <110> Symmetric Tilt Grain Boundaries with the E Structural Unit." Acta Materialia, 2007.
  22. Tucker, G.J., Tiwari, S., and D.L. McDowell, "Tension-Compression Asymmetry and Deformation Mechanisms in Nanocrystalline Copper using Molecular Dynamics," in preparation.
  23. Tucker, G.J., Padilla, H., Boyce, B, and Foiles, S. "Tailoring the Mechanical Response and Microstructure of Nanocrystalline Copper with Twin Boundaries," in preparation.
  24. Weinberger, C.R., Tucker, G.J., and Foiles, S., "The Peierls Potential of Screw Dislocations in BCC Transition Metlas: Predictions from Density Functional Theory," in preparation.