Compression Response of Thick Layer Composite Laminates with Through-the-Thickness Reinforcement

Author:

Farley Gary L.1,Smith Barry T.2,Maiden Janice3

Affiliation:

1. U.S. Army Aerostructures Directorate, AVSCOM NASA Langley Research Center Hampton, VA 23665-5225

2. Applied Science College of William and Mary Williamsburg, VA 23185

3. Textile Technologies, Inc. Hatboro, PA 19040

Abstract

Compression and compression-after-impact (CAI) tests were conducted on seven different AS4-3501-6 [0/90] 0.64-cm thick composite laminates. Four of the seven laminates had through-the-thickness (TTT) reinforcement fibers. Two TTT reinforcement methods, stitching and integral weaving, and two reinforcement fibers, Kevlar and carbon, were used. The remaining three laminates were made without TTT reinforcements and were tested to establish a baseline for comparison with the laminates having TTT rein forcement. Six of the seven laminates consisted of nine thick layers whereas the seventh material was composed of 46 thin plies. The use of thick-layer material has the potential for reducing structural part cost because of the reduced part count (layers of material).

Publisher

SAGE Publications

Subject

Materials Chemistry,Polymers and Plastics,Mechanical Engineering,Mechanics of Materials,Ceramics and Composites

Reference35 articles.

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