Perforation impact behaviour of rubber-interleaved woven GF fabric-reinforced PP composites

Research output: Contribution to journalArticle

Abstract

The influence of a single layer interleaf on the perforation impact performance of a woven glass fibre fabric-reinforced polypropylene (GF-PP) composite was investigated by instrumented falling weight impact (IFWI). A PP film (for comparison purpose) and a butadiene acrylonitrile rubber (NBR) layer were used as interleaves. The composites were produced by sandwiching the interleaves between precalandered woven GF fabric-reinforced PP in a hot press. IFWI investigations were performed at room temperature (RT) and at -40 ÃC. The effects on laminate structure and testing conditions upon the dissipated energy of the PP interleaved laminates were minimal. On the other hand, a strong temperature dependence was found for the NBR-interleaved GF-PP. The NBR interleaved GF-PP showed superior resistance to perforation impact beyond the glass transition temperature of the rubber. As the damaged and delamination areas were of comparable size to those without and with PP- interleaf, this improvement was attributed to the perforation resistance of the rubber interleaf.

Original languageEnglish
Pages (from-to)161-166
Number of pages6
JournalAdvanced Composites Letters
Volume7
Issue number6
Publication statusPublished - 1998

Fingerprint

Rubber
Polypropylenes
Glass fibers
Composite materials
Laminates
Acrylonitrile
Butadiene
Delamination
Temperature
Testing
fiberglass

Keywords

  • Delamination
  • GF-PP
  • Impact
  • Interleaved thermoplastic composites
  • Rubber

ASJC Scopus subject areas

  • Ceramics and Composites

Cite this

Perforation impact behaviour of rubber-interleaved woven GF fabric-reinforced PP composites. / Moos, E.; Karger-Kocsis, J.

In: Advanced Composites Letters, Vol. 7, No. 6, 1998, p. 161-166.

Research output: Contribution to journalArticle

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abstract = "The influence of a single layer interleaf on the perforation impact performance of a woven glass fibre fabric-reinforced polypropylene (GF-PP) composite was investigated by instrumented falling weight impact (IFWI). A PP film (for comparison purpose) and a butadiene acrylonitrile rubber (NBR) layer were used as interleaves. The composites were produced by sandwiching the interleaves between precalandered woven GF fabric-reinforced PP in a hot press. IFWI investigations were performed at room temperature (RT) and at -40 {\~A}C. The effects on laminate structure and testing conditions upon the dissipated energy of the PP interleaved laminates were minimal. On the other hand, a strong temperature dependence was found for the NBR-interleaved GF-PP. The NBR interleaved GF-PP showed superior resistance to perforation impact beyond the glass transition temperature of the rubber. As the damaged and delamination areas were of comparable size to those without and with PP- interleaf, this improvement was attributed to the perforation resistance of the rubber interleaf.",
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