The Influence of Water on the Mechanical Properties of a Glass-Epoxy Matrix Composite
Technical rept. 1 Feb 1989-1 Feb 1991
NATIONAL INST OF STANDARDS AND TECHNOLOGY GAITHERSBURG MD METALLURGY DIV
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The influence of exposure to water at ambient pressure and at an elevated pressure on the mechanical properties of a glass fiber epoxy matrix composite was investigated. The mechanical properties of three orientations of the composite were determined in the dry condition, after exposure to water at ambient pressure and after exposure to water at 5.9 MPa. Then, to determine the mechanism of the observed degradation, the mechanical properties of samples exposed at the two pressures were determined after the absorbed water was removed. The rate and extent of water absorption and desorption was evaluated by measuring the weight change at periodic intervals.
- Laminates and Composite Materials