The Influence Of Conical Composite Filling On
Energy Absorption During The Progressive
Fracture Process
Author(s)
W. Barnat, T. Niezgoda, R. Panowicz & K. Sybilski
Abstract
Energy absorbing composite elements, which can be used for the protection of
people, vehicles and structures, have been widely investigated in recent years.
Different kinds of materials (metals, composites, foams) and structures have
been investigated. Many articles present the glass, carbon and aramid composites
investigation results. The sleeve and conical structures are described. The impact
energy in these elements is absorbed during the progressive fracture process.
Glass composites are very popular due to their low cost.
This paper deals with numerical and experimental research on the possibilities
of energy absorption by a conical element made from a glass composite in
comparison with a conical composite element filled with polyurethane foam.
One element and a small composite panel are investigated and compared.
Keywords: blast wave, energy absorbing element and panel.
1 Introduction
The problem of energy dissipation by composite absorbing elements is
considered from an aspect of the local stability loss or a progressive destruction
[1, 2]. The work, carried out by the destruction of an energy-absorbing element,
causes a significant limitation of shock load effects of the construction, for
example an impact of the landing platform or an airship with the ground, or the
influence of a pressure wave created by an explosion [3].
The greatest absorption energy in relation to a mass unit is possessed by the
elements made of composite [4].
Keywords
blast wave, energy absorbing element and panel
Related Book
Other papers in this volume
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