The Influence of Thermoplastic Film Interleaving on the Interlaminar Shear Strength and Mode I Fracture of Laminated Composites-Reference-Cited by-同舟云学术

The Influence of Thermoplastic Film Interleaving on the Interlaminar Shear Strength and Mode I Fracture of Laminated Composites

Published:1996-07-01 Issue:3 Volume:118 Page:302-309
ISSN:0094-4289
Container-title:Journal of Engineering Materials and Technology
language:en
Short-container-title:

Author:

Li L.¹,Lee-Sullivan P.²,Liew K. M.³

Affiliation:

1. School of Mechanical and Production Engineering, Nanyang Technological University, Nanyang Ave., Singapore 2263

2. Department of Mechanical Engineering, The University of New Brunswick, Fredericton, N. B. Canada E3B5A3

3. School of Mechanical and Production Engineering, Nanyang Technological University, Singapore

Abstract

Results are presented on the interlaminar shear strength (ILSS) and Mode I fracture toughness (GIC) of glass/epoxy laminates interleaved with thermoplastic polyester films using four-point bending and double cantilever beam tests, respectively. The ILSS equation from classical beam theory was modified to account for the increased film thickness. It was found that the ultimate failure load and ILSS could be doubled if a thermoplastic film of high ductility but low glass transition temperature is used. Good film/composite ply adhesion is necessary. Mode I fracture toughness is influenced by film thickness and interleaving with a 0.2 mm thick film increased the GIC by 40 percent. Interleaving with a thinner film (0.1 mm), however, resulted in adhesive failure and reduced fibre bridging.

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Link

http://asmedigitalcollection.asme.org/materialstechnology/article-pdf/118/3/302/5717178/302_1.pdf

Reference37 articles.

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