Introduction to macromolecular physics:
Modern concepts of fiber structure. Physical methods of structural characterization of fibers, viz., DGC, TEM, SEM, WAXS, SAXS, IRS, NMR, DSC and DTA.
Deformation of elastic solid:
Generalized Hook’s Law, Component of Stress and strain. Linear visco-elastic behavior of fibers.
Models:
Boltzmann superposition principle. Study of dynamic mechanical properties and their investigation in study of fibers. Introduction to mechanical properties of fiber composites. Temperature dependence of visco-elastic behavior. Time-Temperature Equivalence and Superposition. WLF equation. Study of fiber stiffness and torsion.
Fibre Properties:
Study of optical properties, thermal, frictional, electrical, Di-electric and static properties of fibers.