Abstract
Solid particle erosion (SPE) has become a major concern for epoxy composite structures exposed to high erosion conditions. A novel erosion-resistive hybrid nanofiller molybdenum disulphide (MoS2) functionalized MWCNTs have been synthesized by hydrothermal route. Epoxy nanocomposite with MoS2 functionalized MWCNTs showed enhanced SPE resistance and mechanical properties as compared to conventional MWCNTs nanocomposites. Epoxy/MoS2/MWCNTs – 1 nanocomposite showed low erosion rate of 471 mg/Kg and 132 mg/Kg at 15° and 90° impact angles, whereas epoxy/MWCNTs nanocomposite showed high erosion rate of 548 mg/Kg and 300 mg/Kg at 15° and 90° impact angles respectively. Erosion efficiency parameter (η) was used to predict the possible erosion mechanism and was further validated using FE-SEM analysis.
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