SEDL / STP / STP1416-EB / STP10637S

Mechanical Degradation of Continuous Glass Fibre-Reinforced Thermoplastics under Static and Cyclic Loading: A Prepreg Laminate — Technical Textile Comparison

Neft, JF
Lab Engineer and Manager of the polymer analytics group at Volkswagen AG, Central Laboratory 1437, Woifsburg,

Schulte, K
Professor, Polymer and Composites Section, Technical University Hamburg-Harburg, Hamburg,

Schwarzer, P
Lab Engineer and Manager of the polymer analytics group at Volkswagen AG, Central Laboratory 1437, Woifsburg,

Pages: 17    Published: Jan 2002

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Abstract

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.