MICRO-STATISTICAL ANALYSIS OF ULTIMATE TENSILE STRENGTH OF CROSSPLY LAMINATES
复合材料正交叠层板最终拉伸强度的细观统计分析

This paper investigates the ultimate failure behavior of0/90/0]crossplylaminates under uniaxial tension.A modified shear-lag model is first proposed for solvingthe stress redistributions due to both the failure of the 90° ply and the breakage of somefibers in the 0° plies. Next,the random critical-core probability model is used to analyzemicroscopically the ultimate failure of crossply laminates. The predictions of the ultimatefailure strength of0_2/90_m]_s and0_4/90_m]_s graphite epoxy and 0_4/90_m]_s ...