S14: The mechanics of porous materials: experiments and modelling

Eric Maire (INSA Lyon, France) eric.maire@insa-lyon.fr
Kostas Danas (Ecole Polytechnique, France) kosdanas@gmail.com

Porous materials are lightweight, permeable, and highly compressible making them the subject of interest in numerous applications and scientific investigations. This is a result of their unique properties combined with the complexity of their response at different environments. One may categorize those materials in many different ways. Specifically, low porosity materials – both polymers and metals – are extensively studied in the context of plasticity, nonlinear elasticity, ductile damage, void growth, fracture and fatigue. On the other end, high-porosity or low-density porous materials – including periodic cellular materials and trusses as well as polymeric and metallic foams – are the subject of a large number of former and recent studies in the context of stiffness. More recently, the fabrication of such porous materials at the nano- and micron scales gave another dimension of their importance due to their use in high-end applications including bio-implants, semi-conductors, solar cells and others. In this Symposium, the interest focuses on the mechanics of porous materials with an emphasis on experiments and modelling. From the experimental point of view, of interest are studies on micro-tomography, X-ray diffraction, digital image (DIC) and digital volume (DVC) correlation with the goal of understanding the micromechanical features and their interactions that lead to the deformation mechanisms, plasticity and fracture of such porous solids. In turn, the modelling of low, moderate and high porosity materials (including cellular materials, trusses and foams) both from the numerical and analytical point of view are of interest in the present symposium. Moreover, the study of instabilities in such materials is primordial and thus a major axis of this symposium. In particular, combined experimental and modelling studies that allow for the fundamental understanding of the microstructural mechanisms of deformation of such solids are highly encouraged. Finally, there is a growing number of recent studies on the mechanical response of porous polymeric and metallic materials resulting from additive manufacturing processes at various scales (nano, micro and macro) and thus works on this field are also highly encouraged.

Important Dates

  • October 1, 2019
    Beginning of abstract submission

  • December 16, 2019
    Abstract submission (extended deadline)

  • January 30, 2020
    Abstract acceptance notification

  • March 15, 2020
    Last Registration for presenting authors

  • May 27-29, 2020
    EMMC 17 Conference

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