Off-Axial Tensile Properties of Precontraint PVDF Coated Polyester Fabrics under Different Tensile Rates

摘要: Two types of Precontraint PVDF coated polyester are taken as the research objects. A series uniaxial tensile tests were carried out to study performances specimens in eleven in-plane directions including 0°, 5°, 15°, 25°, 35°, 45°, 55°, 65°, 75°, 85°, and 90°, six rates (10 mm/min, 25 mm/min, 50 mm/min, 100 mm/min, 200 mm/min, 500 mm/min) also considered. The corresponding failure modes fracture mechanisms discussed, relationships between strength strain at break rate off-axial angles obtained. Results show that woven fabrics typically anisotropic. With angle increasing, decreases while increases. Three can be observed, yarns pulled out, fracture, mixture failure. increases slightly decreases. good linear relationship with rate’s logarithm.