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The physical, mechanical, and sliding wear properties of Grewia optiva and hybrid G. optiva/Bauhinia vahlii fiber-reinforced epoxy composites were investigated. Results reveal that 6 wt.% hybrid G. optiva/B. vahlii fiber-added composites resulted in highest physical (void content, water absorption) and mechanical (impact energy, hardness, tensile, and flexural strength) properties. An L 27 orthogonal array of Taguchi method was implemented to extract the optimal level of control factors. The optimal combination of control factors for achieving lowest wear rate was obtained as 4 wt.% fiber content, 2.5 m/s sliding velocity, 15 N normal load and 2000 m sliding distance.

摘要

研究了 Grewia-optiva 和混合 Grewia-optiva/Bauhinia-Vahlii 纤维增强环氧树脂复合材料的物理, 力学和滑动磨损性能. 结果表明, 6 wt.% 混合 Grewia-optiva/Bauhinia-Vahlii 纤维添加复合材料的物理 (空隙率, 吸水率) 和机械 (冲击能, 硬度, 拉伸和弯曲强度 …