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1 基体铝合金的弹-塑性力学性能参数和热膨胀系数[34]

Table 1 Elastic-plastic mechanical property parameters and thermal expansion coefficients[34] of the matrix aluminum alloy

Temperature / oC Em / GPa ε¯0pl / % ε¯fpl / % α / (10-6 K-1)[34] 25 70.48 0.27 1.2 22.7 100 45.65 0.43 1.5 25.4 200 33.14 0.74 2.0 26.5 300 24.22 2.20 3.2 27.8 400 12.89 3.20 4.5 29.9