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3 纱线的高温弹性常数与强度性能参数

Table 3 High-temperature elastic constants and ultimate strengths of the yarn

Parameter Symbol Value Unit Axial tensile modulus E11t 262.8 GPa Axial compression modulus E11c 259.4 GPa Axial shear modulus G12s 8.9 GPa Transverse tensile modulus E22t 19.8 GPa Transverse compression modulus E22c 20.3 GPa Transverse shear modulus G23s 7.2 GPa Axial tensile strength X11t 3027.1 MPa Axial compression strength X11c 1577.4 MPa Axial shear strength X12s 39.9 MPa Transverse tensile strength X22t 83.6 MPa Transverse compression strength X22c 86.1 MPa Transverse shear strength X23s 38.9 MPa