Compressive Strain at the Onset of Densification of Cellular Solids

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Dynamic compressive behaviour of cellular materials: A review of phenomenon, mechanism and modelling (2018, neutral): “153], the plateau stage and the densification stage were usually separated; and a densification initiation strain, namely d0  , thus needs to be defined to indicate the onset of densification [100], see Fig.”
An investigation into reinforced and functionally graded lattice structures (2017, methodology): “determined using the energy efficiency method outlined by Miltz and Ramon(25) and Li et al.(26) The BCCz lattices, with their additional cellular reinforcing struts in the z direction, provided higher modulus and plastic collapse strength than the BCC lattices.”
Compressive properties of 3D printed auxetic structures: experimental and numerical studies (2020, methodology): “The absorbed energy of the tested specimens was calculated up to the onset of densification strain (1cd) The 1cd is the strain where densification initiates (Li, Magkiriadis, and Harrigan 2006).”
A mechanical property evaluation of graded density Al-Si10-Mg lattice structures manufactured by selective laser melting (2016, methodology): “120 In this work εD were determined using the energy efficiency method outlined by Miltz and Ramon[34] and Li et al.[35] The efficiency of a cellular structure under deformation, η(εlatt.”