Gm. Lukovkin et al., A direct microscopic method for estimating the mechanism of fibrillation upon solvent crazing of polymers, POYLM SCI B, 42(7-8), 2000, pp. 221-222
Upon studying the processes of orientation of glassy polymers in air and in
the presence of liquid media, a direct method for the estimation of a loca
l current draw ratio was advanced. The validity of this approach was proven
for the uniaxial tensile drawing of PET in air and modified PVC in ethanol
.