Fred N. Peebles Professor and Head, JIAM Chair of Excellence
Department of Civil and Environmental Engineering
Georgia Institute of Technology
- Multi-axial stress-strain-time behavior of multi-phase materials and fiber reinforced polymeric composites and environmental degradation; multi-scale microstructure using scanning electron micrography, mercury intrusion porosimetry, and non-destructive imaging using neutrons and X-rays.
- Modeling hydraulic transport and stress transfer processes of geomaterials from microstructure. Geo-mechanics and its applications to Lost Foam Casting (LFC) process; particle size and shape analysis of powders and granular materials.
- Two- and three-dimensional imaging of materials and engineering analysis using energy selective neutrons; tensorial residual stress mapping using neutron scattering .
Hilger, A., N. Kardjilov, T. Kandemir, I. Manke, J. Banhart, D. Penumadu, A. Manescu & M. Strobl (2010) Revealing microstructural inhomogeneities with dark-field neutron imaging. Journal of Applied Physics, 107.
Siriruk, A., D. Penumadu & Y. J. Weitsman (2009) Effect of sea environment on interfacial delamination behavior of polymeric sandwich structures. Composites Science and Technology, 69, 821-828.
Siriruk, A., Y. J. Weitsman & D. Penumadu (2009) Polymeric foams and sandwich composites: Material properties, environmental effects, and shear-lag modeling. Composites Science and Technology, 69, 814-820.
Nagarkar, V. V., D. Penumadu, I. Shestakova, S. C. Thacker, S. R. Miller, J. F. Ankner, H. Z. Bilheux & C. E. Halbert (2009) Time-Resolved High Resolution Neutron Imaging Studies at the ORNL Spallation Neutron Source. IEEE Transactions on Nuclear Science, 56, 2493-2498.
Penumadu, D., A. K. Dutta, X. Luo & K. G. Thomas (2009) Nano and neutron science applications for geomechanics. KSCE Journal of Civil Engineering, 13, 233-242.
Lee, S. H., S. Q. Wang, G. M. Pharr, M. Kant & D. Penumadu (2007) Mechanical properties and creep behavior of lyocell fibers by nanoindentation and nano-tensile testing. Holzforschung, 61, 254-260.
223 Perkins Hall
University of Tennesse
Knoxville, TN 37996-2010