ガラスクロス/エポキシ積層材の環境劣化挙動

概要

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This study dealt with the environmental effects on glass fiber cloth/epoxy laminates. Two kinds of glass/epoxy laminates were different in fiber surface treatment; one was amino-silane treatment and the other was acryl-silane treatment. The amino-silane treated laminate had strong bonding between fiber and resin, while the acryl-silane treated laminate had poor bonding. For these laminates the water immersion test was conducted, and after that weight change measurement and static tensile test were performed. In addition, the fatigue test was performed in water environment. The remarkable water absorption and dissolution occurred for the acryl-treated laminate, and such phenomenon could not be observed for the amino-treated laminate. This weight change behavior influenced on the reduction of static tensile properties. Tensile modulus and strengh of the acryl-treated laminate decreased remarkably, since the fiber/matrix interface degraded remarkably and it induced the debonding between fiber and matrix. However, fatigue strength in water was increased slightly than that in air.
湘南工科大学の論文
1994-03-25