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Experimental homogenized elastic properties of computer-generated 3D-printed random porous material

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Abstract

The present study introduces a methodology that allows for the combination of 3D-printing, experimental testing, numerical and analytical analysis of random porous materials with controlled homogenized elastic properties. These microstructures are computer-generated based on a random sequential addition algorithm with statistically controlled morphological properties such as volume fraction, shape and size of voids as well as isotropic distribution of their centers. We first focus on porous material containing single-size (monodisperse) spherical voids. The porous specimens are fabricated by 3D printing with polymer jet technology and then microstructures are aposteriori investigated by optical microscopy and SEM. The influence of the 3D printing process parameters is also experimentally assessed. An experimental protocol is developed in order to obtain the effective elastic properties of the porous specimens.
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Dates and versions

hal-01917374 , version 1 (09-11-2018)

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  • HAL Id : hal-01917374 , version 1

Cite

O. Zerhouni, M G Tarantino, K. Danas. Experimental homogenized elastic properties of computer-generated 3D-printed random porous material. Annual Conference - Society for Experimental Mechanics 2018, 2018, Greenville, South Carolina, United States. ⟨hal-01917374⟩
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