Current Research in the Thermo-mechanics of Polymers in the Rubbery-glassy Range, 1995: Presented at the 1995 Joint ASME Applied Mechanics and Materials Summer Meeting, Los Angeles, California, June 28-30, 1995Mehrdad Negahban |
Common terms and phrases
Ahzi amorphous phase amorphous polymers assumed behavior boundary conditions Bushko and Stokes Cauchy stress cavity pressure chain coefficient composite inclusion compression configuration constitutive equation crystalline lamella curve Dahoun deformation gradient demolding denotes dependence dimensional draw ratio elastic constants elastic modulus elastomer entropy equilibrium experimental free energy free volume fully constrained gate freeze-off glass transition temperature heat Helmholtz free energy in-plane and through-thickness in-plane direction increase internal energy isothermal isotropic Journal of Rheology layer linear liquid low temperature material mechanical melting temperature mold walls molecular natural rubber Negahban normalized obtained packing pressure packing-pressure level parameters plaque plastic polycarbonate predicted properties rate of crystallization residual stresses rubber-like semi-crystalline polymers shear shown in Figure shrinkage slip system solid spherulite strain crystallization strain tensor stress relaxation stress softening structure superposition tensor texture thermodynamic thermoplastics thermoviscoelastic values variables viscoelastic volume change volume ratio