玻璃纤维增强聚丙烯和环氧复合材料低速冲击损伤对比研究

玻璃钢/复合材料 ›› 2019, Vol. 0 ›› Issue (10): 46-50.

玻璃纤维增强聚丙烯和环氧复合材料低速冲击损伤对比研究

骆传龙, 倪爱清^*, 王继辉, 陈宏达

武汉理工大学材料复合新技术国家重点实验室,武汉430070

收稿日期:2019-01-16 出版日期:2019-10-28 发布日期:2019-10-28
通讯作者: 倪爱清(1975-),女,博士,副研究员,主要从事复合材料力学方面的研究,aqni21stcn@163.com。
作者简介:骆传龙(1994-),男,硕士,主要从事复合材料低速冲击方面的研究。本文作者还有张韬。

COMPARATIVE STUDY ON LOW VELOCITY IMPACT DAMAGE OF GLASS FIBERREINFORCED POLYPROPYLENE AND EPOXY COMPOSITES

LUO Chuan-long, NI Ai-qing^*, WANG Ji-hui, CHEN Hong-da

State Key Laboratory of Advanced Technology for Materials Synthesis and Processing,Wuhan University of Technology, Wuhan 430070, China

Received:2019-01-16 Online:2019-10-28 Published:2019-10-28

摘要/Abstract

摘要： 分别用聚丙烯树脂(热塑性)和环氧树脂(热固性)制备了连续E玻璃纤维增强复合材料层合板,并对这两种复合材料层合板进行低速冲击及冲击后压缩试验,研究基体材料类型对复合材料层合板低速冲击损伤的影响。选用30 J、40 J、50 J以及60 J的冲击能量对层合板进行低速冲击,并对冲击后的层合板进行压缩试验,得到了这两种层合板的冲击后剩余压缩强度。结果表明,由于玻璃纤维增强聚丙烯和环氧树脂复合材料的层间断裂韧性和树脂基体的韧性不同,两种层合板的低速冲击损伤面积、凹坑深度、冲击后压缩破坏机制以及压缩强度降低值均有较大的差异,基体材料类型对复合材料低速冲击损伤有至关重要的影响。

关键词: 热塑性, 热固性, 冲击损伤, 剩余压缩强度

Abstract: In this study, continuous E-glass fiber reinforced composites have been manufactured with two types of resin, polypropylene (thermoplastic) and epoxy (thermoset), and they have been subjected to the low velocity impact and compression test after impact and effect of resin type on the impact damage response of composite laminates were investigated. Impact energies were chosen as 30 J, 40 J, 50 J and 60 J, and the residual compressive strength was obtained by compression after impact test. The results show that the damage area, dent depth, post-impact compression failure mechanism and residual compressive strength values of glass fiber reinforced polypropylene and epoxy composite laminates are different due to the different interlaminar fracture toughness and toughness of the resin matrix. The type of matrix material has a crucial effect on the low velocity impact damage of composites.

Key words: thermoplastic, thermoset, impact damage, residual compressive strength

中图分类号:

TB332

骆传龙, 倪爱清, 王继辉, 陈宏达. 玻璃纤维增强聚丙烯和环氧复合材料低速冲击损伤对比研究[J]. 玻璃钢/复合材料, 2019, 0(10): 46-50.

LUO Chuan-long, NI Ai-qing, WANG Ji-hui, CHEN Hong-da. COMPARATIVE STUDY ON LOW VELOCITY IMPACT DAMAGE OF GLASS FIBERREINFORCED POLYPROPYLENE AND EPOXY COMPOSITES[J]. Fiber Reinforced Plastics/Composites, 2019, 0(10): 46-50.

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