Dynamic compression response of self-reinforced poly(ethylene terephthalate) composites and corrugated sandwich cores

被引：37
|
作者：
Schneider, C. [1 ]
Kazemahvazi, S. [2 ]
Zenkert, D. [1 ]
Deshpande, V. S. [2 ]
机构：
[1] KTH, Dept Aeronaut & Vehicle Engn, Stockholm, Sweden
[2] Univ Cambridge, Dept Engn, Cambridge CB2 1PZ, England
来源：
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2015年 / 77卷
关键词：
Mechanical Properties; Plastic deformation; Polymer (textile) fibre; Ductile composites; STRAIN-RATE; POLYMER COMPOSITES; CARBON-FIBER; DEFORMATION; TEMPERATURE; PANELS; FOAMS;
D O I：
10.1016/j.compositesa.2015.06.016
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A novel manufacturing route for fully recyclable corrugated sandwich structures made from self-reinforced poly(ethylene terephthalate) SrPET composites is developed. The dynamic compression properties of the SrPET material and the out-of-plane compression properties of the sandwich core structure are investigated over a strain rate range 10(-4)-10(3) s(-1). Although the SrPET material shows limited rate dependence, the corrugated. core structures show significant rate dependence mainly attributed to micro-inertial stabilisation of the core struts and increased plastic tangent stiffness of the SrPE"T material. The corrugated SrPET cores have similar quasi-static performance as commercial polymeric foams but the SrPET cores have superior dynamic compression properties. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：96 / 105
页数：10
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