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    Origami metamaterial with two-stage programmable compressive strength under quasi-static loading

    91482.pdf (4.802Mb)
    Access Status
    Open access
    Authors
    Li, Z.
    Yang, Q.
    Fang, R.
    Chen, Wensu
    Hao, Hong
    Date
    2021
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Li, Z. and Yang, Q. and Fang, R. and Chen, W. and Hao, H. 2021. Origami metamaterial with two-stage programmable compressive strength under quasi-static loading. International Journal of Mechanical Sciences. 189: ARTN 105987.
    Source Title
    International Journal of Mechanical Sciences
    DOI
    10.1016/j.ijmecsci.2020.105987
    ISSN
    0020-7403
    Faculty
    Faculty of Science and Engineering
    School
    School of Civil and Mechanical Engineering
    Funding and Sponsorship
    http://purl.org/au-research/grants/arc/DE160101116
    URI
    http://hdl.handle.net/20.500.11937/91658
    Collection
    • Curtin Research Publications
    Abstract

    An origami metamaterial with two-stage programmable compressive strength is proposed by combining the stacked Miura-origami and rhombic honeycomb structure. By adjusting the geometries of the structure, the compressive response of each stage including the compressive strength and the densification strain can be programmed within a certain range. Furthermore, the initial peak force, as an undesired energy-absorbing characteristic, can be programmed to maintain at a low level. The commonly seen fluctuation of crushing resistance on honeycomb structure is also minimized during the second stage deformation. The crushing behaviour of origami metamaterial is investigated under quasi-static loading condition. The programmability of compressive properties is demonstrated for the two stages of the deformation. The analytical model of the two-stage compressive response of the proposed origami metamaterial is firstly developed with friction contribution being taking into consideration during the first deformation stage. The analytical model is then verified with numerical analysis and quasi-static compressive testing data. The programmability of its compressive properties such as the initial peak crushing resistance, mean crushing force for both stages of deformation are then analysed based on the verified analytical model.

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