Issue 28

P. Valentino et alii, Frattura ed Integrità Strutturale, 28 (2014) 1-11; DOI: 10.3221/IGF-ESIS.28.01 8 moduli based on the experimentally determined values of the fibre volume content, Fig. 10 shows the values standardized to a fibre volume content φ f =50% . (a) (b) Figure 8 : Stress-strain diagrams as results of the experimental tensile tests: (a) fabric type twill 2/2 inwarp and fill direction; (b) Fabric type twill 1/3 inwarp and fill direction. Figure 9 : Secant modulus and tangent modulus of the respective textile semi-finished products based on the experimentally determined values of the fibre volume content of φ f . Figure 10 : Secant modulus and tangent modulus of the respective textile semi-finished products standardized to a fibre volume content of φ f =50% .