The role of twist and crimp on the vibration behaviour of flax fibre composites

被引：59
作者：
Duc, F. [1 ]
Bourban, P. E. [1 ]
Manson, J. -A. E. [1 ]
机构：
[1] Ecole Polytech Fed Lausanne, Lab Technol Composites & Polymeres LTC, CH-1015 Lausanne, Switzerland
来源：
COMPOSITES SCIENCE AND TECHNOLOGY | 2014年 / 102卷
关键词：
Natural fibres; Polymer-matrix composites (PMCs); Textile composites; Vibration; DYNAMIC-MECHANICAL ANALYSIS; REINFORCED POLYESTER COMPOSITES; POLYPROPYLENE COMPOSITES; KENAF FIBERS; BANANA;
D O I：
10.1016/j.compscitech.2014.07.004
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
The damping properties of unidirectional, 0/90 and twill 2/2 flax fibre (FF) reinforced epoxy composites containing 40 vol% of fibres have been measured by vibration beam testing (VBT). The influence of the impregnation quality, the fibre/matrix adhesion, the quality of the fibres, the twist of the FF yarns and the crimp in the FF fabrics on these properties was quantified. Carbon and glass fibre reinforced epoxy composites were considered as comparison. Unidirectional FF instead of glass fibres led to a damping increase of 133%. Under the VBT conditions, the inter and intra-yarn frictions mechanisms were dominant leading to energy dissipation. The damping properties increased with the twist and crimp amount, leading to a damping increase of 79% when a twill 2/2 fabric was considered instead of a [0/90] laminate. Fibre/matrix friction improved the damping properties by 23% with a limited fibre/matrix adhesion. Finally damping maps for several material systems were established. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：94 / 99
页数：6
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