Effects of inter-tow angle and tow size on carbon fibre friction

被引：44
作者：
Chakladar, N. D. [1 ]
Mandal, P. [1 ]
Potluri, P. [2 ]
机构：
[1] Univ Manchester, Sch Mech Aerosp & Civil Engn, Manchester M13 9PL, Lancs, England
[2] Univ Manchester, Sch Mat, North West Composites Ctr, Manchester M13 9PL, Lancs, England
来源：
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2014年 / 65卷
基金：
英国工程与自然科学研究理事会;
关键词：
Carbon fibre; Friction; Finite element analysis (FEA); Mechanical testing; TRANSVERSE ELASTIC-MODULUS; FINITE-ELEMENT MODEL; CAPSTAN FRICTION; FIBROUS TOWS; WOVEN; SIMULATION; PERFORMANCE; COMPOSITES; RESISTANCE; MECHANICS;
D O I：
10.1016/j.compositesa.2014.06.002
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Friction plays an important role in the processing behaviour of fabrics or prepregs into geometries that require significant inter-ply and intra-ply movements. In previous studies, coefficient of friction is generally assumed to be constant. This paper presents a detailed experimental investigation of the frictional behaviour of carbon fibres at meso-scale. The inter-tow angle was found to have a significant effect on the tow friction when the fibres are parallel; whereas the effect of tow size was marginal. A numerical model was developed to investigate inter-filament friction from tow friction using finite element analysis. The filament-to-pulley friction was found to have a significant effect on the overall load-displacement behaviour, unlike the filament-to-filament friction. A range of intra-tow filament-to-filament friction coefficient was also indicated within which the inter-filament slippage began. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：115 / 124
页数：10
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