斜纹碳布缝合织物结构增强铝基复合材料的高温拉伸及断裂行为

吴志勇, 邵徽凡, 蔡长春, 曾敏, 王振军, 王艳丽, 陈雷, 熊博文

Tensile and Fracture Behaviors of Stitched Twill Carbon Fabric Structure Reinforced Aluminum Matrix Composites at Elevated Temperature

WU Zhiyong, SHAO Huifan, CAI Changchun, ZENG Min, WANG Zhenjun, WANG Yanli, CHEN Lei, XIONG Bowen

表4 纱线在不同温度下的线性热膨胀系数和弹性常数

Table 4 Linear thermal expansion coefficients and elastic constants of the yarns at different temperatures

Temperature / oC α11 / (10-6 K-1) α22 / (10-6 K-1) E11 / GPa E22 / GPa G12 / GPa G23 / GPa ν12 ν23 25 3.11 9.94 283.28 23.98 11.03 9.34 0.28 0.41 100 3.03 10.28 282.11 23.50 10.89 8.91 200 2.94 10.39 275.99 22.80 10.54 8.68 300 2.82 10.53 269.96 22.19 9.69 8.06 400 2.68 10.78 268.11 21.86 9.42 7.86