Temperature-dependent tensile properties of hybrid carbon/glass thermoplastic composite rods

被引:12
作者
Naito, Kimiyoshi [1 ]
Oguma, Hiroyuki [1 ]
Nagai, Chiemi [1 ]
机构
[1] Natl Inst Mat Sci, Res Ctr Struct Mat, Polymer Matrix Hybrid Composite Mat Grp, Tsukuba, Ibaraki, Japan
基金
日本科学技术振兴机构;
关键词
composites; fiber; tension; thermoplastics; FIBER-REINFORCED COMPOSITES; STRENGTH; BEHAVIOR; CABLES; MODULUS; FATIGUE; MODEL; CFRP;
D O I
10.1002/pc.25686
中图分类号
TB33 [复合材料];
学科分类号
摘要
Hybrid carbon/glass composite rods consisting of unidirectional polyacrylonitrile (PAN)-based carbon fiber (T700SC), braided E-glass fibers, and thermoplastic epoxy matrix were fabricated with differing carbon/glass ratios (24K1P, 24K2P, and 24K3P). The cross-sectional morphologies of the hybrid rods were observed using a digital microscope. Tensile properties and fracture behavior of the hybrid rods were investigated over a range of temperatures: -50 degrees C, 0 degrees C, 23 degrees C (RT), 50 degrees C, and 80 degrees C. The tensile modulus and strength increased with increasing carbon fiber volume fraction, but decreased with increasing temperature. The Weibull statistical distribution of tensile strength for the hybrid rods was examined. The Weibull modulus increased with increasing tensile strength and decreasing void volume fraction of the hybrid rods. A Curtin-type global load-sharing model was applied to the hybrid rods to predict mechanical properties at different temperatures.
引用
收藏
页码:3985 / 3995
页数:11
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