Title:
STRUCTURE WITH BOTH AUXETIC AND COMPRESSIVE EXPANSION PROPERTIES, LATTICE MATERIAL AND LATTICE CYLINDRICAL SHELL
Document Type and Number:
WIPO Patent Application WO/2021/138984
Kind Code:
A1
Abstract:
The present invention relates to the fields of novel structural design and lattice material design, and relates to a structure with both auxetic and compressive expansion properties, a lattice material and a lattice cylindrical shell. Firstly, a local tension and compression asymmetric mechanism generated by contact nonlinearity of an extension spring is utilized to form a two-dimensional structure and a lattice material that can generate transverse expansion under uniaxial tension and uniaxial compression in a specific direction. The two-dimensional structure is combined in two directions to form a three-dimensional structure and a lattice material that are expanded during stretching and compressing; meanwhile, a two-dimensional auxetic-compressive expansion structure can be used as a unit cell to form the lattice cylindrical shell. According to the present invention, the structure and the material can be used as specific functional materials, and have application prospects in the fields of energy absorption, vibration reduction, medical treatment, wave propagation, intelligent components, etc.
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Inventors:
KANG ZHAN (CN)
WU WENJUN (CN)
LIU PAI (CN)
WU WENJUN (CN)
LIU PAI (CN)
Application Number:
PCT/CN2020/077105
Publication Date:
July 15, 2021
Filing Date:
February 28, 2020
Export Citation:
Assignee:
UNIV DALIAN TECH (CN)
International Classes:
F16F1/00; F16F3/00
Foreign References:
| CN109519691A | 2019-03-26 | |||
| CN204066527U | 2014-12-31 | |||
| CN108591335A | 2018-09-28 | |||
| CN109858167A | 2019-06-07 | |||
| CN109365787A | 2019-02-22 | |||
| CN109551755A | 2019-04-02 | |||
| US20140017422A1 | 2014-01-16 |
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