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On-line Access: 2014-01-03

Received: 2013-08-27

Revision Accepted: 2013-12-05

Crosschecked: 2013-12-20

Cited: 2

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Citations:  Bibtex RefMan EndNote GB/T7714

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Journal of Zhejiang University SCIENCE A 2014 Vol.15 No.1 P.61-67


Skin-core adhesion in high performance sandwich structures*

Author(s):  Yi-ou Shen1, Wesley Cantwell2, Yan Li1

Affiliation(s):  1. School of Aerospace Engineering and Applied Mechanics, Tongji University, Shanghai 200092, China; more

Corresponding email(s):   syoeva@tongji.edu.cn

Key Words:  Sandwich structure, Interfacial fracture toughness, Flexural property

Yi-ou Shen, Wesley Cantwell, Yan Li. Skin-core adhesion in high performance sandwich structures[J]. Journal of Zhejiang University Science A, 2014, 15(1): 61-67.

@article{title="Skin-core adhesion in high performance sandwich structures",
author="Yi-ou Shen, Wesley Cantwell, Yan Li",
journal="Journal of Zhejiang University Science A",
publisher="Zhejiang University Press & Springer",

%0 Journal Article
%T Skin-core adhesion in high performance sandwich structures
%A Yi-ou Shen
%A Wesley Cantwell
%A Yan Li
%J Journal of Zhejiang University SCIENCE A
%V 15
%N 1
%P 61-67
%@ 1673-565X
%D 2014
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A1300283

T1 - Skin-core adhesion in high performance sandwich structures
A1 - Yi-ou Shen
A1 - Wesley Cantwell
A1 - Yan Li
J0 - Journal of Zhejiang University Science A
VL - 15
IS - 1
SP - 61
EP - 67
%@ 1673-565X
Y1 - 2014
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A1300283

The aim of this study is to characterize the interfacial fracture toughness of a micro-lattice core based sandwich structure from quasi-static to dynamic rates of loading. The modified three-point bend (MTPB) sandwich beam was used to characterize the interfacial properties of these sandwich structures. Dynamic tests were undertaken of up to 3 m/s using a purpose-built instrumented drop-weight impact tower. Data reduction was accomplished through the use of a compliance calibration procedure similar to that used for characterizing the delamination resistance of composites. The flexural properties of sandwich beams were investigated through three-point bend tests at a cross-head displacement rate of up to 3 m/s. A detailed examination of the impact region highlighted the failure processes in these systems and this was related to the data from the quasi-static flexural tests. The globalized deformation and energy absorption during progressive were also discussed.


重要结论:1.采用热压法制备的以碳纤维增强环氧树脂预浸料为面板,不锈钢点阵结构为芯材的夹芯结构不需要任何粘合剂;2.所得夹芯结构在受到准静态和动态三点弯曲加载时展现了优异的抗面板-芯材界面分层性能,断裂能达到5500 J/m2;3.改良的三点弯曲实验可以用于测试低速冲击条件下夹芯结构的断裂性能。


Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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