Scaling effects of composite laminates under out-of-plane loading

被引：22
|
作者：
Wagih, A. [1 ,2 ]
Maimi, P. [1 ]
Blanco, N. [1 ]
Gonzalez, E. V. [1 ]
机构：
[1] Univ Girona, Polytech Sch, AMADE, M Aurelia Capmany 61, Girona 17003, Spain
[2] Zagazig Univ, Mech Design & Prod Dept, Fac Engn, POB 44519, Zagazig, Sharkia, Egypt
来源：
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2019年 / 116卷
关键词：
Polymer-matrix composites (PMCs); Impact behaviour; Analytical modelling; Failure; LOW-VELOCITY IMPACT; STATIC INDENTATION; MULTIPLE DELAMINATIONS; COMPRESSIVE STRENGTH; DAMAGE TOLERANCE; TENSILE-STRENGTH; PREDICTION; CFRP; PLATES; MODEL;
D O I：
10.1016/j.compositesa.2018.10.001
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The scaling effects of composite laminates under quasi-static indentation and low-velocity impact tests are studied with the aim of reducing the experimental cost of low-velocity impact tests. First, an analytical model is proposed using some equations available in the simplified analytical models in the literature and other equations derived in this work to predict the quasi-static indentation response during the elastic and delamination regime up to fiber failure. The model is able to predict the load-displacement response and delamination area. Finally, the effect of scaling the geometrical parameters such as in-plane dimension and shape, thickness of the laminate, thickness of the plies and indenter radius is analyzed. This scaling approach is developed based on the presented analytical model and the experimental results available in the literature. As a result, it is possible to predict the response of large structures under impact loads by testing small coupons under static indentation test.
引用
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页码：1 / 12
页数：12
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