PMI泡沫对碳纤维复合材料抗低速冲击性能的影响

玻璃钢/复合材料 ›› 2019, Vol. 0 ›› Issue (8): 53-58.

PMI泡沫对碳纤维复合材料抗低速冲击性能的影响

王士杰^1,2,孙泽玉^1,2*,陶雷^1,2,杨青^3,4

1.东华大学材料科学与工程学院,上海201620;
2.上海市轻质结构复合材料重点实验室,上海201620;
3.上海赛科利汽车模具技术应用有限公司,上海200092;
4.上海汽车车身先进制造工程技术研究中心,上海200092

收稿日期:2018-11-19 出版日期:2019-08-28 发布日期:2019-08-28
通讯作者: 孙泽玉(1986-),男,工程师,主要研究方向为碳纤维复合材料汽车轻量化,sunzeyu@dhu.edu.cn。
余木火(1961-),男,博导,教授,主要研究方向为高性能纤维及其复合材料的应用,yumuhuo@dhu.edu.cn。
作者简介:王士杰(1994-),男,硕士,主要从事碳纤维复合材料应用方面的研究。
基金资助:
中央高校基本科研业务费专项资金资助(18D110320);上海市科委科研课题资金资助(15JC1400302,16DZ1121404,17511102801);上海汽车工业科技发展基金(1715)

EFFECT OF PMI FOAM ON LOW-VELOCITY IMPACT RESISTANCE OF CARBON FIBER COMPOSITES

WANG Shi-jie^1,2, SUN Ze-yu^1,2*, TAO Lei^1,2, YANG Qing^3,4

1.College of Materials Science and Engineering, Donghua University, Shanghai 201620, China;
2.Key Laboratory of Shanghai City for Lightweight Composites, Shanghai 201620, China;
3.Shanghai Superior Die Technology Co., Ltd., Shanghai 200092, China;
4.Shanghai Engineering Research Center of Advanced Automotive Body Manufacturing, Shanghai 200092, China

Received:2018-11-19 Online:2019-08-28 Published:2019-08-28

摘要/Abstract

摘要： 采用落锤冲击试验开展了PMI泡沫对碳纤维复合材料抗低速冲击性能的影响研究。对厚度为5 mm的碳纤维复合材料层合板、PMI泡沫(厚为3 mm)夹芯碳纤维复合材料(上下蒙皮各为2.5 mm)试件分别用5 J、10 J、20 J、40 J能量进行低速落锤冲击实验。实验结果表明,泡沫夹芯碳纤维复合材料的吸能效果好于碳纤维复合材料层合板。随着冲击能量的提高,两者的冲击吸能效果差距越来越小,但夹芯板的冲击损伤情况好于层合板,同时碳纤维复合材料层合板的吸收/冲击能量比的值逐渐增大,而泡沫夹芯碳纤维复合材料的逐渐减小,但在40 J及其以下的冲击能量下,夹芯板的吸收/冲击能量比都高于层合板。

关键词: 复合材料, 泡沫夹芯, 冲击能量, 落锤冲击

Abstract: In this paper, the effect of PMI foam on the low-velocity impact resistance of carbon fiber composites was studied by drop weight impact test. Experiments were carried out on carbon fiber composite laminates with a thickness of 5 mm and PMI foam (3 mm thick) sandwich carbon fiber composites (2.5 mm each for upper and lower skins) with low-velocity impact energy of 5 J, 10 J, 20 J, 40 J, respectively. The experimental results show that the energy absorption effect of foam sandwich carbon fiber composites is better than that of carbon fiber composite laminates. Along with the increase of impact energy, the impact energy absorption effect between the foam sandwich composite material and the carbon fiber composite laminate is getting smaller and smaller, but the impact damage of the sandwich panel is better than that of the laminate. As the impact energy increases, the ratio of the absorbed impact energy of the carbon fiber composite laminate increases gradually and the foam sandwich carbon fiber composite decreases gradually. However, under the impact energy of 40 J and below, the absorption energy ratio of the carbon fiber composite laminate is lower than that of the foam sandwich carbon fiber composite.

Key words: composite material, foam sandwich, impact energy, drop weight impact

中图分类号:

TB332

王士杰,孙泽玉,陶雷,杨青. PMI泡沫对碳纤维复合材料抗低速冲击性能的影响[J]. 玻璃钢/复合材料, 2019, 0(8): 53-58.

WANG Shi-jie, SUN Ze-yu, TAO Lei, YANG Qing. EFFECT OF PMI FOAM ON LOW-VELOCITY IMPACT RESISTANCE OF CARBON FIBER COMPOSITES[J]. Fiber Reinforced Plastics/Composites, 2019, 0(8): 53-58.

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