零膨胀单向混杂纤维复合材料的研究

STUDY ON ZERO THERMAL EXPANSION OF UNI-AND MULTI-DIRECTIONAL HYBRID COMPOSITES

本文推导了单向混杂复合材料热膨胀系数的理论估算公式 ,并进行了实验验证。研究了单向混杂复合材料热膨胀系数随混杂比、混杂界面数及铺层顺序等参数变化的规律。另外 ,也对部分零膨胀单向混杂复合材料的铺层结构进行了预测。

In this paper,the estimate formula of the coefficient of thermal expansin (CTE) of uni direction hybrid composites is presented,and validated by experiments.The variation of CTE values of the uni directional hybrid composites with hybrid ratio,hybrid interfaces and ply order is studied.Moreover,some ply patterns of zero thermal expansion of uni directional hybrid composites are predicted.