根据剪滞后模型及复合材料中晶须的实际分布状况,分析了基体的承载系数.结合X射线应力测量原理,建立出基体承载系数的X射线应力测量方法.计算表明,压铸态及挤压态SiCW体积分数为20%的6061Al复合材料中基体的承载系数分别为0.783及0.569.试验证实, 两种复合材料基体承载系数分别为0.742及0.557.试验结果与理论计算基本吻合.
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