Improvement of Interlaminar Fracture Toughness in Glass Fiber Reinforced Plastic Laminates with Inorganic Nanofiber Sheet Interleaf

被引:5
作者
Wu, Ning [1 ]
Yang, Jie [1 ]
Zheng, Shanshan [1 ]
Wang, Jing [1 ]
Chen, Li [1 ]
机构
[1] Tianjin Polytech Univ, Inst Composite Mat, Minist Educ, Lab Adv Text Composites, Tianjin 300387, Peoples R China
基金
中国国家自然科学基金;
关键词
TiO2 nanofiber sheet; Laminates; Fracture toughness; Fracture surface analysis; Interlayer toughing mechanism; MODE-I; SURFACE-PROPERTY; HMPBO FIBERS; COMPOSITES; DELAMINATION; ENHANCEMENT; THICKNESS;
D O I
10.1007/s12221-019-1226-5
中图分类号
TB3 [工程材料学]; TS1 [纺织工业、染整工业];
学科分类号
0805 ; 080502 ; 0821 ;
摘要
The present study developed a new type of nanofibrous structure-TiO2 nanofiber sheets (TNFS) to increase the interlaminar fracture toughness of glass fiber reinforced polymer (GFRP) laminates. SEM was employed to characterize the nanofibers before and after calcination. In order to quantify TNFS, the thickness and the crevice area of TNFS were analyzed, the results showed that the thickness and the proportion of crevice area were increased with the increase of TNFS contents. Mode I and Mode II interlaminar fracture toughness were investigated for GFRP laminates toughened by different mass fraction of TNFS. The highest Mode I fracture toughness value achieved by inserting 5 wt.% TNFS in the interleaf. G(Ic) value was 74.35 % higher than those of base GFRP laminates. Meanwhile, with 6 wt.% addition of TNFS, the GFRP laminates showed the highest Mode II fracture toughness, which is 60.76 % higher than those of base GFRP laminates. The improvement mechanism of toughness was illustrated by the fracture surface analysis of TNFS interlayered laminates.
引用
收藏
页码:2175 / 2183
页数:9
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