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Layer 2 0 5 10 15 20 25 30 35 40 0 0.2 0.4 0.6 0.8 1 Nominal Stress(kPa) Compression Strain dividins highlights Elastic Plateau region Densification Add predicted graph Redraw graph Densification begins Click anywhere to start
In the Elastic region of the graph, the strain is taken by bending of unaligned struts. This strain is recoverable.
In the Plateau region, the strain is taken by the buckling of the unaligned struts, causing unrecoverable plastic deformation at a constant stress.
In the Densification region, the struts aligned with the applied stress finally meet and can take the load, causing the change of the stress strain behaviour towards that of pure aluminium.