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Effective properties of the octet-truss lattice material
Abstract
The effective mechanical properties of the octet-truss lattice structured material have been investigated both experimentally and theoretically. Analytical and FE calculations of the elastic properties and plastic yielding collapse surfaces are reported. The intervention of elastic buckling of the struts is also analysed in an approximate manner. Good agreement is found between the predictions of the strength and experimental observations from tests on the octet-truss material made from a casting aluminium alloy. Moreover, the strength and stiffness of the octet-truss material are stretching-dominated and compare favourably with the corresponding properties of metallic foams. Thus, the octet-truss lattice material can be considered as a promising alternative to metallic foams in lightweight structures.
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Citations
Cited by
Ultralight Metallic Microlattices
Schaedler, T. A., Jacobsen, A. J., Torrents, A., Sorensen, A. E., Lian, J., Greer, J. R., Valdevit, L., & Carter, W. B. (2011) · Science · doi:10.1126/science.1211649 · Cited by 1,784
The properties of foams and lattices
Ashby, M. F. (2006) · Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences · doi:10.1098/rsta.2005.1678 · Cited by 1,771
Self-citationSLM lattice structures: Properties, performance, applications and challenges
Maconachie, T., Leary, M., Lozanovski, B., Zhang, X., Qian, M., Faruque, O., & Brandt, M. (2019) · Materials & Design · doi:10.1016/j.matdes.2019.108137 · Cited by 1,497
Nazir, A., Abate, K. M., Kumar, A., & Jeng, J.-Y. (2019) · The International Journal of Advanced Manufacturing Technology · doi:10.1007/s00170-019-04085-3 · Cited by 528
Liu, L., Kamm, P., García-Moreno, F., Banhart, J., & Pasini, D. (2017) · Journal of the Mechanics and Physics of Solids · doi:10.1016/j.jmps.2017.07.003 · Cited by 513
Metadata
- Authors
- Deshpande, V. S., Fleck, N. A., & Ashby, M. F.
- Venue
- Journal of the Mechanics and Physics of Solids
- Publisher
- Elsevier BV
- Published
- 2001-08
- Volume
- 49
- Issue
- 8
- Pages
- 1747-1769
- ISSN
- 0022-5096 (ISSN-L)
- OpenAlex
- W2116045087
- Cited by
- 1,741
- References
- 0
- FWCI
- 35.31
- Type
- journal article
- Language
- en
- Open access
- closed
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- Deshpande, V. S., Fleck, N. A., & Ashby, M. F. (2001). Effective properties of the octet-truss lattice material. Journal of the Mechanics and Physics of Solids. https://doi.org/10.1016/s0022-5096(01)00010-2
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