I have been trying some ratio's of Polyurethane Resin to Glass Fiber Cloth but my young modulus results come up medium to low (15.000 MPa circumf. and 8-10.000 axial) and my Poisson ratio quite high (0.4-0.7). Have you got any suggestions?
You can share this research Flexural strength and modulus of elasticity of different types of resin-based composites Resistência à flexão e módulo de elasticidade de diferentes tipos de resina composta