Compressive and interlaminar Shear Properties of Three-dimensional Glass Fabric-reinforced Composites

삼차원 유리직물 강화 복합재의 압축 및 층간전단 특성

  • 박수진 (한국화학연구소 화학소재연구단) ;
  • 박원배 (한국화학연구소 화학소재연구단) ;
  • 이재락 (한국화학연구소 화학소재연구단)
  • Published : 1999.03.01

Abstract

Three-dimensional glass fabric composites were fabricated using unsaturated polyester resin and fabrics of different vertical fiber lengths. The compressive properties of the composites were investigated by flat compression tests. Also interlaminar shear strength (ILSS) was characterized by short-beam test to the evaluate the interfacial adhesion between the fibers and the matrix of the composites. The changes in vertical fiber length of the composites greatly influenced the compressive and interlaminar shear properties, as opposed to those of classical honeycomb sandwich structures (nomex, alumina, kraft paper). This seems to be a consequence of the buckling phenomenon of the 3D hollow structures formed during the resin matrix curing.

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