期刊
JOURNAL OF INTELLIGENT MATERIAL SYSTEMS AND STRUCTURES
卷 23, 期 11, 页码 1263-1268出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/1045389X12445647
关键词
zero thermal expansion; lattices; honeycombs; composites; structure optimization; autonomic structures
资金
- DARPA-LLNL
Lattice microstructures are presented with zero coefficient of thermal expansion. These are made of positive expansion materials. The behavior is primarily stretch dominated, resulting in favorable stiffness. The behavior of these lattices is compared with that of triangular and hexagonal honeycombs in a modulus-density map. These lattices do not undergo thermal buckling, in contrast to designs based on sublattices.
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