Abstract
AbstractThe sorption of water vapor on two heat shield composites SLA‐561 and SLA‐561V and the SLA components was measured over the pressure range of 10−3 to 10 torr and at 25°, 30°, and 35°C. The sorption of water vapor by both the composites and the components varied directly with pressure and equilibrium was attained typically within 30 min. The sorption of water by SLA‐561V, phenolic spheres, and silica fibers varied inversely with temperature. The mechanism proposed for the interaction of water vapor with the SLA composites was a combination of absorption and adsorption.
Published Version
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