Thermoforming of Polymer Laminate Films: Thermo-Viscoelastic Characterization

Abstract

The thermo-viscoelastic behavior of a polymer laminate film was characterized by mechanical measurements to obtain data for material modeling. The strain was measured using digital image correlation. The film is anisotropic and sustains uniaxial strains up to 60%. Additionally, the thermal expansion was measured for both materials that form the laminate.