SEDL / STP / STP617-EB / STP26963S

Moisture Absorption and Desorption in Epoxy Composite Laminates

Shirrell, CD
Physical chemist and assistant for Advanced Composite Structures, Air Force Flight Dynamics Laboratory, Wright-Patterson Air Force Base, Ohio

Halpin, J
Physical chemist and assistant for Advanced Composite Structures, Air Force Flight Dynamics Laboratory, Wright-Patterson Air Force Base, Ohio

Pages: 15    Published: Jan 1977

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Abstract

Epoxy composite laminates absorb moisture from the atmosphere via a diffusion controlled process and undergo changes in both mechanical properties and dimensional shapes. This paper reviews the nature of moisture absorption by epoxy composites and the resultant effects upon the laminate.