Hydrostatic pressure dependence in tensile and compressive behavior of an <scp>acrylonitrile–butadiene–styrene</scp> copolymer

The strain-rate dependence of a commercial grade ABS copolymer has been analyzed in both compression and tension. By measuring two loading geometries, the hydrostatic pressure-dependence on material's deformation behavior can be established. An alternative method to determine pressure-dependence, based difference for various presented. It was shown an effective technique, thermorheologically simple materials such as ABS, well complex materials, example, PMMA. A yield criterion, Eyring-type pressure-modified rate equation, compared finite element simulations using Eindhoven Glassy Polymer (EGP) constitutive model. Although methods give quantitatively similar results stress prediction, only fully 3D EGP model is able represent large-strain behavior.