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Preparation and mechanical characterisation of laminate composites made of glass fibre/epoxy resin filled with tri bloc copolymers

机译:玻璃纤维/环氧树脂填充三嵌段共聚物的层压复合材料的制备和力学性能

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摘要

Laminate composites made of glass fibre/epoxy resin filled with acrylic tri-bloc copolymers (Nanostrength) have been successfully manufactured. Microstructure, thermomechanical properties and impact resistance have been investigated and compared with those of a glass fibre/epoxy resin system. Dynamic mechanical analysis (DMA) tests have been conducted to determine the effect of Nanostrength on storage, loss modulus and glass transition temperature. A drop weight tower was used to perform low-velocity impact tests on laminate composites. Addition of Nanostrength to the epoxy matrix led to an increase in both strength and impact resistance of the composite. Moreover, a moderate decrease of storage modulus and glass transition temperature was observed.
机译:已成功制造出由玻璃纤维/环氧树脂制成的层压复合材料,其中填充了丙烯酸三嵌段共聚物(纳米强度)。研究了微结构,热机械性能和抗冲击性,并将其与玻璃纤维/环氧树脂体系的微结构,热机械性能和抗冲击性进行了比较。已经进行了动态机械分析(DMA)测试,以确定纳米强度对储存,损耗模量和玻璃化转变温度的影响。落锤塔用于对层压复合材料进行低速冲击测试。将纳米强度添加到环氧基质中导致复合材料的强度和抗冲击性均增加。此外,观察到储能模量和玻璃化转变温度适度降低。

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