Influence of chemical surface treatment of basalt fibers on interlaminar shear strength and fracture toughness of epoxy-based composites

作者: Seong-Ock Lee , Kyong Yop Rhee , Soo-Jin Park

DOI: 10.1016/J.JIEC.2015.08.009

关键词: Interlaminar shearBasalt fiberEpoxyMaterials scienceSurface roughnessSurface structureSpectroscopyAlkali metalComposite materialFracture toughnessGeneral Chemical Engineering

摘要: Abstract In our study, the effect of chemically treated basalt fibers on mechanical interfacial properties reinforced epoxy composites was investigated. The surface were determined by Fourier Transform Infrared (FT-IR) spectroscopy. structure analyzed Atomic Force Microscopy (AFM). acid and alkali chemical treatments led to significant changes in characteristics fibers. improved properties, interlaminar shear strength (ILSS) fracture toughness (KIC) composites. Composites with H 2 SO 4 had higher values ILSS KIC than KOH-treated These results are attributed improvement bonding strength, which caused an increase roughness

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