THE STUDY OF SOLUTION ABSORPTION AND DIFFUSION COEFFICIENT IN EPOXY COMPOSITE REINFORCED WITH GLASS FIBERS
Engineering and Technology Journal,
2008, Volume 26, Issue 10, Pages 1235-1240
AbstractDiffusivity behavior and diffusion coefficient was investigated in this paper for epoxy composite
reinforced with glass fibers (woven roven and random direction) together as a sandwich with volume
fraction (44). The samples were immersed in different solution for equal time at constant temperature
(room temperature ±18oC). The result show that the relative mass gain increased with increasing the
immersion time till they tend saturation moisture mass (M∞) after that the relative mass gain decreased.
The result show that the samples immersed in (kerosene) solution had higher mass gain while the
samples immersed in distill water had lower mass gain and the samples immersed in other solution
(Benzene, HNO3, KOH, H2O as received) had relatively mass gain between them.
Also the results show that the samples immersed in benzene has maximum diffusion coefficient
(30.219mm2/day) which means minimum absorption resistance while the samples immersed in (H2O as
received) has minimum diffusion coefficient (0.191mm2/day) (maximum absorption resistance).
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