1981•NASA STI Repository (National Aeronautics and Space Administration)Open access
Investigation of the effect of resin material on impact damage to graphite/epoxy composites
R. J. Palmer
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Abstract
The results of an experimental program are described which establishes the feasibility and guide lines for resin development. The objective was to identify the basic epoxy neat resin properties that improve low velocity impact resistance and toughness to graphite-epoxy laminates and at the same time maintain useful structural laminate mechanical properties. Materials tests from twenty-three toughened epoxy resin matrix systems are included.
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