The damage zone in some ductile polymers under a triaxial tensile stress state
Conference
·
OSTI ID:76233
- Case Western Reserve Univ., Cleveland, OH (United States)
Analysis of the damage zone at a semicircular notch clarifies the irreversible deformation behavior of some ductile polymers in a triaxial stress state. Plasticity concepts describe the thickness dependence of shear-yielding modes in polycarbonate, whereas impact-modified poly(vinyl chloride) deforms by a cavitation mechanism that is described by a critical volume strain. Contributions of both shear and cavitation mechanisms are observed in poly(vinyl chloride). 30 refs., 11 figs., 2 tabs.
- OSTI ID:
- 76233
- Report Number(s):
- CONF-900802--
- Country of Publication:
- United States
- Language:
- English
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