Effect of Novolac Resin and Modified Novolac Resin on Mechanical Properties of Carbon Fiber/Epoxy Composites

被引：0
作者：
He, Hongwei [1 ,2 ]
Gao, Feng [1 ,3 ]
Li, Kaixi [4 ]
Yan, Shen [5 ]
机构：
[1] Taiyuan Univ Technol, Coll Mat Sci & Engn, Taiyuan, Shanxi, Peoples R China
[2] Taiyuan Univ Technol, Minist Educ, Key Lab Interface Sci & Engn Adv Mat, Taiyuan, Shanxi, Peoples R China
[3] Chinese Acad Sci, Inst Coal Chem, State Key Lab Coal Convers, Taiyuan, Shanxi, Peoples R China
[4] Chinese Acad Sci, Inst Coal Chem, Key Lab Carbon Mat, Taiyuan, Shanxi, Peoples R China
[5] Shanxi Inst Econ Management, Taiyuan, Shanxi, Peoples R China
来源：
ADVANCES IN POLYMER TECHNOLOGY | 2014年 / 33卷 / 03期
关键词：
Composites; Epoxy; Fibers; Mechanical properties; POLY(ETHER ETHER KETONE); EPOXY-RESIN; THERMAL-STABILITY; CURE TEMPERATURE; MORPHOLOGY; LIQUID; MISCIBILITY;
D O I：
10.1002/adv.21412
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The effects of novolac resin (NR) and modified novolac resin (MNR) on the stiffness and toughness of the carbon fiber (CF)/epoxy composites were studied when using these two kinds of modifiers with different physical and chemical performance. The results show that both NR and MNR are excellent toughening agents for the CF/epoxy composites, and the composites treated with MNR present better toughness than that of NR. However, the stiffness of the composites is almost unchanged when adding MNR. The mechanisms were analyzed by fracture studies using scanning electron microscopy and the decrease of cross-link density caused by MNR was deduced to the toughening effects. (C) 2014 Wiley Periodicals, Inc.
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页数：5
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