Behaviour of Polymer Filled Composites for Novel Polymer ...
2021-4-18u2002·u20022.3.1. PU Foam and GFRP Laminates . A solid component made with polyurethane (PU) based resin was used as a core material of sleeper (Figure 2 a).The typical compressive strength and compressive modulus of PU foam are 1 MPa and 16 MPa, respectively [].Two types of GFRP fabrics such as uniaxial (0 direction and 600 gsm) and triaxial (0/+45/−45 directional …
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