NDLI: Failure of composite plates under static biaxial planar loading

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Failure of composite plates under static biaxial planar loading

Content Provider	NASA Technical Reports Server (NTRS)
Author	Khamseh, Amir R. Waas, Anthony M.
Copyright Year	1992
Description	The project involved detailed investigations into the failure mechanisms in composite plates as a function of hole size (holes centrally located in the plates) under static loading. There were two phases to the project, the first dealing with uniaxial loads along the fiber direction, and the second dealing with coplanar biaxial loading. Results for the uniaxial tests have been reported and published previously, thus this report will place emphasis on the second phase of the project, namely the biaxial tests. The composite plates used in the biaxial loading experiments, as well as the uniaxial, were composed of a single ply unidirectional graphite/epoxy prepreg sandwiched between two layers of transparent thermoplastic. This setup enabled us to examine the failure initiation and propagation modes nondestructively, during the test. Currently, similar tests and analysis of results are in progress for graphite/epoxy cruciform shaped flat laminates. The results obtained from these tests will be available at a later time.
File Size	4222313
Page Count	29
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19930006464
Archival Resource Key	ark:/13960/t9q28ts0r
Language	English
Publisher Date	1992-12-18
Access Restriction	Open
Subject Keyword	Structural Mechanics Hole Geometry Mechanics Failure Modes Planar Structures Axial Loads Laminates Static Loads Holes Mechanics Prepregs Plates Structural Members Graphite-epoxy Composites Fiber Orientation Thermoplasticity Transparence Failure Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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