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Characterization of Material Properties of Multi-Layered Fiber Reinforced Composite Structures Using Inverse Ultrasonic Methods

机译：反向超声方法表征多层纤维增强复合材料的材料性能

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In this paper, efforts on the acoustical measuremens of material properties of fiber reinforced composites such as graphite epoxy using oblique incidence techniques will be discussed. Both, direct as well as inverse methods were used in this effort. Optimal parameters were chosen from the direct approach. Then, genetic algorithms will be introudced to compute the material properties from the experimental data using phase velocity measurements at specific incident and aximuthal angles. Sensitivity as well as accuracy of the techniques are also presented.

机译：在本文中，将讨论使用倾斜入射技术对纤维增强复合材料（例如石墨环氧树脂）的材料性能进行声学测量的方法。这种方法都使用了直接方法和反向方法。从直接方法中选择了最佳参数。然后，将引入遗传算法，使用特定入射角和方位角下的相速度测量值，从实验数据中计算材料特性。还介绍了技术的灵敏度和准确性。

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《World conference on NDT;14th WCNDT》|1997年|p.733-736|共4页
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Krishnan Balasubramaniam; Navin S.Rao; Yuyin Ji;
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中图分类一般工业技术;
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Characterization of Material Properties of Multi-Layered Fiber Reinforced Composite Structures Using Inverse Ultrasonic Methods

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