短切纤维增强热塑性复合材料在压缩成型中的取向变化

P. Thevenin, D. Perreux
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引用次数: 1

摘要

本文研究了短切纤维增强热塑性复合材料在成型过程中纤维取向的变化。纤维的取向用一个分布函数来描述,这个分布函数分为两个基本分布函数,每一个都与纤维的一部分有关。考虑到所有纤维之间的相互作用和横向剪切,该模型呈现了这些函数的变化。该模型与板材压缩成型过程中复合材料流动的实验数据吻合。
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Orientation changes in a chopped fibre-reinforced thermoplastic composite in compression moulding

In this paper, the change of fibre orientation that occurs during the moulding flow of a composite material, based on a thermoplastic matrix reinforced by chopped fibres, is investigated. The fibre orientation is described by a distribution function which is divided into two elementary distribution functions, each being concerned with part of the fibres. The model presents the changes of these functions, taking into account the interaction between all fibres and the transverse shear. The model agrees with experimental data obtained in the flow of composites in a plate-type compression moulding process.

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