The mechanical degradation of continuous glass fibre-reinforced thermoplastics (GFRT) was analysed considering differences in the semifinished products of the laminates. The investigated laminates were produced from prepregs and technical textiles (commingled thermoplastic and glass fibres stitched together with a polymeric yarn) with isotactic polypropylene (iPP) as matrix material. E-glass fibres were used as reinforcement in both systems. Static transverse and longitudinal tensile, compression and bending tests were performed. Fatigue tests were made in tension-tension (R=0.1). The matrix morphology varied due to different manufacturing procedures. The results showed a significant influence on the mechanical degradation of the semifinished products.
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