球状シリカ充填エポキシ樹脂複合材料の破壊挙動(S07-4 複合材料II,S07 メゾスケールにおける先進材料の力学と強度・機能評価)
詳細
The effects of particle size on fracture behavior of epoxy resin filled by spherical silica particles were studied. The epoxy resin was reinforced with silica particles having different mean sizes (1.56μm and 0.24μm) under different mixture ratios of small and large particles with the same volume fraction, 0.30. The three point bending test was conducted to measure fracture toughness. Consequently, the fracture toughness for above 70% of smaller particles was nearly two and half times higher than that of pure epoxy and two times for that of 100% larger particles, respectively.
