Impact perforation of thin stiffened CFRP panels

College

Gokongwei College of Engineering

Department/Unit

Mechanical Engineering

Document Type

Article

Source Title

Composite structures

Volume

48

First Page

95

Last Page

98

Publication Date

2000

Abstract

Static indentation and dropweight impact tests have been performed on thin CFRP panels stiffened with three T-blade stiffeners and comparisons made with similar tests on plain panels. The impact perforation threshold energy may be estimated from the work done by the indentor during a static indentation test for both plain and stiffened panels. For impacts conducted in-line with the stiffener the perforation energy is significantly increased and the maximum damage levels occur at higher energies than for other panel loading conditions.

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Disciplines

Materials Science and Engineering | Mechanical Engineering

Keywords

Carbon fiber-reinforced plastics—Testing

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