期刊
COMPOSITES PART B-ENGINEERING
卷 89, 期 -, 页码 67-76出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesb.2015.11.032
关键词
Honeycomb; Mechanical properties; Analytical modelling; Mechanical testing
资金
- project MorphElle [FP7-AAT.2012.6.3-1-341509]
- National Natural Science Foundation of China [11225211]
- British Council
- Chinese Scholarship Council (CSC)
This work presents a novel zero in-plane Poisson's ratio honeycomb design for large out-of-plane deformations and morphing. The novel honeycomb topology is composed by two parts that provide separate in-plane and out-of-plane deformations contributions. The hexagonal component generates the out-of-plane load-bearing compression and in-plane compliance, while a thin plate part that connects the hexagonal section delivers the out-of-plane flexibility. The paper illustrates the in-plane mechanical properties through a combination of theoretical analysis, FE homogenization and experimental tests. Parametric analyses are also carried out to determine the dependence of the in-plane stiffness versus the geometric parameters that define the zero-nu honeycomb. (C) 2015 Elsevier Ltd. All rights reserved.
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