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Calculating the elastic constants of a highly porous cellular plastic with an oriented structure

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Mechanics of Composite Materials Aims and scope

A method for calculating the elastic constants of high-porosity cellular materials is proposed on the assumption that their oriented structure can be considered as a linear transform of some random structure. A simplified procedure to take into account the effect of gas pressure in closed-cell anisotropic solids on their elastic constants is also suggested. Calculations performed on the basis of a strut model elaborated earlier for highly porous materials are compared with experimental results for light cellular polyurethane plastics.

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Acknowledgments

This study was performed within the framework of Project No. 2010/0290/2DP/2.1.1.1.0/10/ APIA/VIAA/0.53 and financially supported by ERAF.

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Authors and Affiliations

  1. Institute of Polymer Mechanics, University of Latvia, Riga, LV-1006, Latvia

    A. Lagzdins, A. Zilaucs, I. Beverte & J. Andersons

Authors
  1. A. Lagzdins
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  2. A. Zilaucs
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  3. I. Beverte
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  4. J. Andersons
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Correspondence to A. Lagzdins.

Additional information

Translated from Mekhanika Kompozitnykh Materialov, Vol. 49, No. 2, pp. 181-192, March-April, 2013.

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Lagzdins, A., Zilaucs, A., Beverte, I. et al. Calculating the elastic constants of a highly porous cellular plastic with an oriented structure. Mech Compos Mater 49, 121–128 (2013). https://doi.org/10.1007/s11029-013-9328-4

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  • DOI: https://doi.org/10.1007/s11029-013-9328-4

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