Optimisation of crush energy absorption of non-crimp fabric laminates by through-thickness stitching

被引：8

作者：

Cauchi-Savona, Silvano ^{[2
]}

Zhang, Chi ^{[1
]}

Hogg, Paul ^{[1
]}

机构：

[1] Univ Manchester, Sch Mat, NW Composites Ctr, Manchester M1 7HS, Lancs, England

[2] Univ London, Sch Engn & Mat Sci, London E1 4NS, England

来源：

COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2011年 / 42卷 / 07期

基金：

英国工程与自然科学研究理事会;

关键词：

Polymer-matrix composites (PMCs); Mechanical properties; Damage mechanics; Stitching; ABSORBING COMPOSITE STRUCTURES; TUBES; PLATES; RESISTANCE; BEHAVIOR; FIBERS; RTM;

D O I：

10.1016/j.compositesa.2011.02.008

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Through-thickness stitching has been used to significantly improve the Mode-I interlaminar fracture toughness properties, however these improvements do not always translate positively to the crushing properties as there are many parameters that could influence the energy absorbed. The current research was therefore undertaken to understand the relationship between stitching of non-crimp fabrics (NCFs) and the resultant effects on energy absorption during crushing. A design of experiments (DOE) technique based upon the Taguchi method was utilised to statistically determine the relationship and assist in optimising the crushing properties. The laminates were flat plates manufactured from carbon- and glass-fibre NCFs; stitching was carried out with carbon and Kevlar threads in different configurations, and the laminates were vacuum infused with vinyl-ester and epoxy resins. The results show that by selecting an optimised stitching configuration, an improvement of 30% in the energy absorption can be achieved. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：712 / 722

页数：11

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