NASA NTRS · 19780000052
Partial interlaminar separation for composites
Abstract
Epoxy-matrix composites with improved fracture toughnesses, tensile strengths, and impact resistances are fabricated by using perforated film to break part of bond between laminae. Separation diffuses local stress concentrations near cracks, inhibiting their ability to propagate. Tests on modified panels showed fifty percent increase in fracture strengths.
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Elber, W.. 1978-06-01. Partial interlaminar separation for composites. https://ntrs.nasa.gov/citations/19780000052
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