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首页> 外文期刊>Composite Structures >Investigating polyethersulfone interleaved Glass/Carbon hybrid composite under impact and its comparison with GLARE
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Investigating polyethersulfone interleaved Glass/Carbon hybrid composite under impact and its comparison with GLARE

机译：冲击下聚醚砜交错玻璃/碳杂化复合材料的研究及其与GLARE的比较

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摘要

A tough polyethersulfone (PES) membrane was utilized as a novel reinforcement to improve impact performance of a carbon/glass hybrid composite. The hybrid composite was made of a glass fibre/epoxy block that was sandwiched between two carbon fibre/epoxy blocks. The PES reinforced hybrid composite was compared with an unmodified hybrid composite and a glass reinforced aluminium (GLARE) laminate. During impact testing, results showed that incorporation of PES led to an increase in toughness with a reduction in damage propagation in the investigated composite panels. Furthermore, the results showed that for low impact energy levels (6 J, 12 J and 18 J), the addition of the PES membrane reduced the area of damage by an average of 67%, compared to the virgin laminate. By increasing the impact energy level (24 J and 32 J), fibre breakage was the dominant failure mode and the PES had a negligible effect on the impact performance. A comparable load bearing performance was observed with the hybrid composites and the GLARE laminate for the low energy levels (6 J, 12 J and 18 J). However, the GLARE laminate had a better performance during high energy impacts (24 J and 32 J), due to the high ductility of the aluminium plates.
机译：坚韧的聚醚砜（PES）膜被用作新型增强材料，以改善碳/玻璃杂化复合材料的冲击性能。混合复合材料由玻璃纤维/环氧树脂嵌段制成，该玻璃纤维/环氧树脂嵌段夹在两个碳纤维/环氧树脂嵌段之间。将PES增强混合复合材料与未改性混合复合材料和玻璃增强铝（GLARE）层压板进行了比较。在冲击测试过程中，结果表明，加入PES可以提高韧性，并减少所研究复合板的损伤传播。此外，结果表明，与原始层压板相比，对于低冲击能级（6 J，12 J和18 J），PES膜的添加平均减少了67％的损伤面积。通过增加冲击能级（24 J和32 J），纤维断裂是主要的破坏模式，而PES对冲击性能的影响可忽略不计。在低能级（6 J，12 J和18 J）下，使用混合复合材料和GLARE层压板观察到了可比的承重性能。但是，由于铝板的高延展性，GLARE层压板在高能量冲击（24 J和32 J）下具有更好的性能。

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