Micro-architectured materials: past, present and future by N. A. Fleck, V. S. Deshpande, and M. F....
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Micro-architectured materials: past, present and future by N. A. Fleck, V. S. Deshpande, and M. F. Ashby Proceedings A Volume 466(2121):2495-2516 September 8, 2010 ©2010 by The Royal Society
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Transcript of Micro-architectured materials: past, present and future by N. A. Fleck, V. S. Deshpande, and M. F....
Micro-architectured materials: past, present and future
by N. A. Fleck, V. S. Deshpande, and M. F. Ashby
Proceedings AVolume 466(2121):2495-2516
September 8, 2010
©2010 by The Royal Society
A materials time-line.
N. A. Fleck et al. Proc. R. Soc. A 2010;466:2495-2516
©2010 by The Royal Society
The progressive filling of material property space over time (the charts list the date at the top left)—here the way the materials have been developed over time to meet demands on strength
and density.
N. A. Fleck et al. Proc. R. Soc. A 2010;466:2495-2516
©2010 by The Royal Society
(a) Kagome lattice, (b) triangular lattice and (c) hexagonal lattice.
N. A. Fleck et al. Proc. R. Soc. A 2010;466:2495-2516
©2010 by The Royal Society
Venn diagram for selected two-dimensional lattices.
N. A. Fleck et al. Proc. R. Soc. A 2010;466:2495-2516
©2010 by The Royal Society
Material property charts of (a) E versus ρ and (b) σY versus ρ for engineering materials.
N. A. Fleck et al. Proc. R. Soc. A 2010;466:2495-2516
©2010 by The Royal Society
A hierarchical lattice on two length scales.
N. A. Fleck et al. Proc. R. Soc. A 2010;466:2495-2516
©2010 by The Royal Society
Boundary-layer analysis: lattice material with a macroscopic crack under K-control.
N. A. Fleck et al. Proc. R. Soc. A 2010;466:2495-2516
©2010 by The Royal Society
The predicted mode I fracture toughness KIC plotted as a function of relative density , for the three isotropic lattices: hexagonal, triangular and Kagome.
N. A. Fleck et al. Proc. R. Soc. A 2010;466:2495-2516
©2010 by The Royal Society
Predictions of the scaling of the fracture toughness of the Kagome lattice with relative density for three choices of the length scale ratio ℓ/a0 and .
N. A. Fleck et al. Proc. R. Soc. A 2010;466:2495-2516
©2010 by The Royal Society
A plot of fracture toughness, KIC, against density ρ for engineering materials.
N. A. Fleck et al. Proc. R. Soc. A 2010;466:2495-2516
©2010 by The Royal Society
The damage tolerance of a lattice material and the parent solid.
N. A. Fleck et al. Proc. R. Soc. A 2010;466:2495-2516
©2010 by The Royal Society
