不同无纺布对玻纤/乙烯基酯复合材料力学性能的影响

复合材料科学与工程 ›› 2020, Vol. 0 ›› Issue (5): 69-73.

不同无纺布对玻纤/乙烯基酯复合材料力学性能的影响

马鹏, 李进^*, 康少付, 周少雄

宁夏大学,宁夏光伏材料重点实验室,银川750021

收稿日期:2019-09-18 出版日期:2020-05-25 发布日期:2020-05-28
通讯作者: 李进(1964- ),女,教授,博士,主要从事先进复合材料及复合材料力学方面的研究,li-jin@163.com。
作者简介:马鹏(1995- ),男,硕士,主要从事先进复合材料成型工艺及力学性能方面的研究。
基金资助:
宁夏自治区重点研发项目(2018BDE02048)

EFFECT OF DIFFERENT NON-WOVEN FABRICS ON MECHANICAL PROPERTIESOF GLASS FIBER/VINYL ESTER COMPOSITES

MA Peng, LI Jin^*, KANG Shao-fu, ZHOU Shao-xiong

Key Laboratory of Ningxia for Photovoltaic Materials, Ningxia University, Yinchuan 750021, China

Received:2019-09-18 Online:2020-05-25 Published:2020-05-28

摘要/Abstract

摘要： 为了改善玻纤/乙烯基酯(GF/VE)复合材料的层间性能,采用VARI工艺制备层间加入共聚酯(PEs)、聚氨酯(TPU)、聚酰胺(PA)、乙烯-醋酸乙烯基酯(EVA)无纺布的GF/VE复合材料,对其拉伸、弯曲和Ⅰ型层间断裂韧性进行了研究。结果表明:加入PEs、TPU、PA、EVA无纺布分别使GF/VE复合材料Ⅰ型层间断裂韧性提高了142%、103%、46%、45%;加入TPU无纺布使GF/VE复合材料拉伸强度提升了6.43%,其余分别下降了2.93%、3.72%、28.67%;加入不同无纺布后弯曲强度分别下降了13%、14%、25%、60%。共聚酯和聚氨酯无纺布对GF/VE复合材料的增强、增韧效果优于聚酰胺材料。

关键词: GF/VE复合材料, 无纺布, 层间增韧, 力学性能, Ⅰ型层间断裂韧性

Abstract: In order to improve the interlaminar properties of glass fiber/vinyl ester (GF/VE) composites, GF/VE composites with polyamide (PA), copolyester (PEs), polyurethane (TPU) and vinyl acetate (EVA) nonwoven fabrics were prepared by VARI process. The tensile, flexural and mode Ⅰ interlaminar fracture toughness of the composites were studied. The results show that the mode Ⅰ interlaminar fracture toughness of GF/VE composites increases by 142%, 103%, 46% and 45%, respectively, by adding PEs, TPU, PA and EVA nonwoven fabrics. The tensile strength of GF/VE composites increased by 6.43% by adding TPU non-woven fabrics, while the others decreased by 2.93%, 3.72% and 28.67%, respectively. After adding different non-woven fabrics, bending strength decreased by 13%, 14%, 25% and 60%, respectively. The strengthening and toughening effects of co-polyester and polyurethane nonwoven fabrics on GF/VE composites are better than that of polyamide materials.

Key words: GF/VE composites, non-woven fabrics, interlaminar toughening, mechanical properties, mode Ⅰ interlaminar fracture toughness

中图分类号:

TB332

马鹏, 李进, 康少付, 周少雄. 不同无纺布对玻纤/乙烯基酯复合材料力学性能的影响[J]. 复合材料科学与工程, 2020, 0(5): 69-73.

MA Peng, LI Jin, KANG Shao-fu, ZHOU Shao-xiong. EFFECT OF DIFFERENT NON-WOVEN FABRICS ON MECHANICAL PROPERTIESOF GLASS FIBER/VINYL ESTER COMPOSITES[J]. Composites Science and Engineering, 2020, 0(5): 69-73.

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