Impact perforation of thin stiffened CFRP panels

Impact perforation of thin stiffened CFRP panels

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 indentat...

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Bibliographic Details
Main Authors: Found, M. S., Howard, I. C., Paran, Alexander P.
Format: text
Published: Animo Repository 2000
Subjects:
Carbon fiber-reinforced plastics—Testing
Materials Science and Engineering
Mechanical Engineering
Online Access:https://animorepository.dlsu.edu.ph/faculty_research/9440
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Institution: De La Salle University
Description
Summary: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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