Damping of thermoset and thermoplastic flax fibre composites

被引：167
作者：
Duc, F. [1 ]
Bourban, P. E. [1 ]
Plummer, C. J. G. [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 PART A-APPLIED SCIENCE AND MANUFACTURING | 2014年 / 64卷
关键词：
Natural fibres; Polymer-matrix composites (PMCs); Mechanical properties; Vibration; Mechanical testing; REINFORCED POLYPROPYLENE COMPOSITES; DYNAMIC-MECHANICAL PROPERTIES; POLYLACTIC ACID; NATURAL FIBERS; CHEMICAL TREATMENT; IMPACT PROPERTIES; PLA COMPOSITES; CELLULOSE; POLYMERS; BEHAVIOR;
D O I：
10.1016/j.compositesa.2014.04.016
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The mechanical and damping properties of unidirectional (UD) and twill 2/2 flax fibre (FF) reinforced thermoset (epoxy) and thermoplastic (polypropylene (PP) and polylactic acid (PLA)) composites containing 40 vol% of fibres have been compared with those of carbon (CF) and glass (GF) fibre reinforced epoxy composites. Thanks to the relatively low density of the FF, the specific mechanical properties of the LID FF based composites were comparable with those of the GF epoxy composites. The composites reinforced with FF also showed improved damping as reflected by dynamic mechanical analysis with respect to composites reinforced with synthetic CF and GF. For example, the addition of UD FF to epoxy led to an approximately 100% increase in loss factor with respect to both the matrix and GF reinforced epoxy. FF/PP showed the highest damping at 25 degrees C and 1 Hz of all the composites investigated (tan delta = 0.033). However the best compromise between stiffness and damping was obtained with FF reinforced semicrystalline PLA. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：115 / 123
页数：9
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