Abstract
The rate mechanism of crystal plasticity was studied in quasi-single crystalline (QSC) Nylon 6 prepared by plane strain compression in a channel die to equivalent extensional strains on the order of 1.39. Specimens of such higly oriented material were probed in simple shear experiments on the (001) [010] and (100)[010] monoclinic chain slip systems by means of strain rate change experiments in the temperature range of 255-366 K. These experiments demonstrated that while there is a well developed glass transition in the shear moduli of the material there is no corresponding transition in the plastic resistances, indicating that the plastic behavior of the QSC material is derived entirely from the crystalline component
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