Optimum mixing ratio of epoxy for glass fiber reinforced composites with high thermal stability

被引：24
|
作者：
Shin, Pyeong-Su [1 ]
Wang, Zuo-Jia [1 ]
Kwon, Dong-Jun [1 ]
Choi, Jin-Yeong [1 ]
Sung, Il [2 ]
Jin, Dal-Saem [2 ]
Kang, Suk-Won [2 ]
Kim, Jeong-Cheol [2 ]
DeVries, K. Lawrence [3 ]
Park, Joung-Man [1 ,3 ]
机构：
[1] Gyeongsang Natl Univ, Engn Res Inst, Dept Mat Engn & Convers Technol, Jinju 660701, South Korea
[2] Hankuk Carbon, Adv Composite Mat Inst, Bubuk Myeon, South Korea
[3] Univ Utah, Dept Mech Engn, Salt Lake City, UT 84112 USA
来源：
COMPOSITES PART B-ENGINEERING | 2015年 / 79卷
关键词：
Glass fiber; Interface/interphase; Micro-mechanics; Mechanical testing; RESIN;
D O I：
10.1016/j.compositesb.2015.04.032
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The optimum condition of glass fiber/epoxy composites was investigated according to mixing ratio of two epoxy matrices. Novolac type epoxy and isocyanate modified epoxy were used as composites matrix. Based on chemical composition of mixing matrix, optimum mixing ratio of epoxy resins was obtained through FT-IR instrument. In order to investigate thermal stability and interface of epoxy resin, glass transition temperature was observed by DSC instrument, and static contact angle was measured by reflecting microscope. Change of IR peak and T-g was conformed according to different epoxy mixing ratios. After fabrication of glass fiber/epoxy composites, tensile, compression, and flexural properties were tested by UTM by room and high temperature. The composites exhibited best mechanical properties when epoxy mixing ratio was 1:1. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：132 / 137
页数：6
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