Self-reinforced composites based on commercial PP woven fabrics and a random PP copolymer modified with quartz

M. C. LUCCHETTA, J. P. MORALES ARIAS, M. MOLLO AND C. R. BERNAL

POLYMERS FOR ADVANCED TECHNOLOGIES

JOHN WILEY & SONS LTD

Lugar: Londres; Año: 2016 vol. 27 p. 1072 - 1081

1042-7147

Self-reinforced composites based on commercial polypropylene (PP) woven fabrics and a random PP copolymer modified with quartz were obtained by film stacking. The effect of the incorporation of quartz on the materials fracture and failure behavior was studied through uniaxial tensile tests and quasi-static fracture experiments. Acoustic emission analysis was also performed in situ in the tensile tests. A higher consolidation quality was obtained for the composites containing quartz. In the composite with random PP modified with 5 wt% quartz, the higher consolidation and the better dispersion of quartz particles positively impacted on the materials tensile and fracture behavior. From the results of acoustic emission analysis, fiber fracture appears as the dominant failure mechanism in the investigated composites.