利用有效弹性特性模型研究纤维-基质界面特性对超声波特性的影响

Composites Engineering Pub Date : 1995-01-01 DOI:10.1016/0961-9526(95)00012-C

Krishnan Balasubramaniam, Yuyin Ji, Steven Gardner

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引用次数: 1

摘要

在本文中，一个三相(纤维-相间矩阵单元细胞)微观力学模型(Gardner et al. (1993)， Comp. Sci.)。利用technology . 46, 307-318)研究了纤维-基体间相特性对整体有效弹性常数的影响。然后，讨论了可测超声参数的行为，如三种超声体波模式的速度，以及它们的反射因子(作为波的方向和频率的函数)作为界面性质的函数。将理论结果与玻璃-环氧树脂和石墨-环氧复合材料的实验研究结果进行了比较。

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A study on the influence of fiber-matrix interphase properties on ultrasonic wave behavior using effective elastic property models

In this paper, a three-phase (fiber-interphase-matrix unit cell) micro-mechanics model (Gardner et al. (1993), Comp. Sci. Technol. 46, 307–318) is used to study the influence of fiber-matrix interphase properties on the overall effective elastic constants. Then, the behavior of measurable ultrasonic parameters such as velocities of the three ultrasonic bulk wave modes, and their reflection factor (as a function of wave orientation and frequency) is discussed as a function of interphase properties. Theoretical results are compared with experimental studies on both glass-epoxy and graphite-epoxy composites.

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Composites Engineering

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