An Evaluation of the Energy Absorption of Laminated Composite Plates

Author:

Lavoie J A1,Morton J1,Jackson K2

Affiliation:

1. Department of Engineering Science and Mechanics, Virginia Polytechnic Institute and State University, Blacksburg, Virginia, USA

2. US Army Vehicles Structures Directorate, NASA Langley Research Center, Hampton, Virginia, USA

Abstract

The energy absorption characteristics of continuous fibre reinforced laminated plates made from three material systems: APC-2 (graphite/PEEK), AS4/3502 (graphite/epoxy), and a hybrid AS4/Kevlar-49/3502 composite, have been investigated. The effects of geometric scaling of specimen size, ply-level and sublaminate-level scaling of the stacking sequence, and trigger mechanism on the energy absorption capability in edgewise compression were evaluated. Scaling method and matrix material were found to influence the preferred crushing mode and energy absorption efficiency of the composite plates. Energy absorption and crushing modes where found to be similar to that of composite tubes.

Publisher

SAGE Publications

Subject

Mechanical Engineering,Aerospace Engineering

Reference21 articles.

1. Energy Absorption in Composite Structures

2. Energy Absorption in Composite Tubes

3. Energy Absorption of Composite Materials

4. Farley G. L. Energy absorption of composite materials and structures. American Helicopter Society Forty-third Annual Forum, St. Louis, MO, May 1987, pp. 613–627.

5. A unified approach to progressive crushing of fibre-reinforced composite tubes

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