摘要
用显微脱粘法测定了 Nicalon SiC/7740玻璃复合材料中纤维/基体的脱粘力;用有限元SAP5程序在Siemens 7570C计算机上计算了复合材料纤维轴向、径向的界面抗拉强度和界面剪切强度在试样厚度内沿纤维轴向的分布;对照文献报道的类似工作,从组元膨胀系数差异出发对计算的结果进行了定性的分析和讨论。
The interface debonding force of Nicalon SiC/7740 glass composite was measured by mi-
cro-debonding test. The bond shear and tensile strength along fiber axis within the thickness
of specimen was calculated from a simplified micromechanics finite-element analysis by SAP
5 program in SIEMENS 7570 C calculator. Compared with the results from literatures and in
view of the difference of heat-expansion coefficients of composite components, the calculated
results was analysed
基金
国家自然科学基金
关键词
复合材料
界面粘结强度
有限元
composite
interfacial bond stress
finite-element analysis
