Dr. Mehrdad Negahban Dr. Negahban's Web Page email: Dr. Negahban NCMN Homepage

 

Current Research

   Dr. Negahban’s research areas include:

  • Theoretical, computational, and experimental studies to characterize large deformation thermo-mechanical response of materials, in particular polymers.
  • Simulation of the effects of crystallization on the mechanical behavior of polymers under large deformations.
  • The study of the effects of crystallization on failure and the redistribution of stress in polymer matrix composites. Simulation of the manufacturing of thin film extruded polymers.
  • Experimental investigation and theoretical modeling of large plastic forming and shape recovery in amorphous polymers.

Current Publications

J.-M. Saiter, M. Negahban, P. dos Santos Claro, P. Delabare and M.-R. Garda, “Quantitative and
Transient DSC Measurements I. Heat Capacity and Glass Transition,” Journal of Materials Education,
vol. 30, 2008, pages 51-95.

M. Negahban, K. Strabala, P. Delabarre, A. Goel, R. Feng, J. Grenet, “Temperature dependence of
the back-stress in shear for glassy polycarbonate,” Macromolecular Symposia, vol. 258, 2007, pages
142-151.

M. Negahban, “Modeling the Thermomechanical Effects of Crystallization in Natural Rubber: III. Mechanical Properties”, Int. J. Solids Struct. 37, 2811-2824 (2000).

M. Negahban, “Modeling the Thermomechanical Effects of Crystallization in Natural Rubber: II. Elementary Thermodynamic Properties”, Int. J. Solids Struct. 37, 2791-2809 (2000).

M. Negahban, “Modeling the Thermomechanical Effects of Crystallization in Natural Rubber: I. The Theoretical Structure”, Int. J. Solids Struct. 37, 2777-2789 (2000).

Recent Graduates

  • Pierre Delabarre (with Jean-Marc Saiter), Master M2, Materials Engineering (CEMPI), “The  
        Characterization of polycarbonate by DMA and other mechanical testing,” University of Rouen, Rouen,
        France, September, 2004.
  • Kyle Wayne Strabala, “The Effects of Combined Compression and Aging on the Properties of Glassy
       Polycarbonate,” MS, Engineering Mechanics, University of Nebraska-Lincoln, August, 2009.
  • Kyle Wayne Strabala, “The Effects of Combined Compression and Aging on the Properties of Glassy
       Polycarbonate,” MS, Materials Engineering, University of Rouen, Rouen, France, August, 2009.
  • Cline Hayot, “Viscoelastic properties of the cell walls of Arabidopsis thaliana using nanoindentation,”
       MS, Engineering Mechanics, University of Nebraska-Lincoln, August, 2009.
  • Cline Hayot, “Viscoelastic properties of the cell walls of Arabidopsis thaliana using nanoindentation,”
        MS, Materials Engineering, University of Rouen, Rouen, France, August, 2009.
  • Ruojuan Ma, Ph.D., now with Visteon. Thesis: “A study of the influence of uniform crystallization on the mechanical response of polymers and polymer-matrix composites”
  • Juliet Dauphin, “Crystallization studies in PET”-University of Rouen, France.
  • Philippe Dos Santos Claro, “Crystallization in PET during ransient thermal loading” - University of Rouen, France.