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Mechanical property characterization of intraply hybrid compositesAn investigation of the mechanical properties of intraply hybrids made from graphite fiber/epoxy matrix hybridized with secondary S-glass or Kevlar 49 fiber composites is presented. The specimen stress-strain behavior was determined, showing that mechanical properties of intraply hybrid composites can be measured with available methods such as the ten-degree off-axis test for intralaminar shear, and conventional tests for tensile, flexure, and Izod impact properties. The results also showed that combinations of high modulus graphite/S-glass/epoxy matrix composites exist which yield intraply hybrid laminates with the best 'balanced' properties, and that the translation efficiency of mechanical properties from the constituent composites to intraply hybrids may be assessed with a simple equation.
Document ID
19800036784
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Chamis, C. C.
(NASA Lewis Research Center Cleveland, OH, United States)
Lark, R. F.
(NASA Lewis Research Center Cleveland, OH, United States)
Sinclair, J. H.
(NASA Lewis Research Center Cleveland, Ohio, United States)
Date Acquired
August 10, 2013
Publication Date
October 1, 1979
Subject Category
Composite Materials
Accession Number
80A20954
Distribution Limits
Public
Copyright
Other

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