本文介绍了一种以组分材料性能为基础确定SMC材料平面及交叉方向热弹性能的计算预测方法.将SMC材料模型看作对称的三层复合材料结构,因此采用经典的层板理论来探讨SMC的有效变形特征.中心层的性能用单向复合材料来表达,用Kerner-Hashin理论来预测颗粒填料复合材料的性能;对片状颗粒填料的复合材料Lewis-Nielser理论可使试验与理论数据很好符合.但体系加入低收缩添加剂对性能的影响不能仅用力学模型来说明.
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