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Identification of the elastic modulus of polymeric materials by using thin-walled cylindrical specimens

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Mechanics of Composite Materials Aims and scope

A method for determining the elastic modulus of polymeric materials from deformation diagrams of thin-walled circular cylindrical shells in compression and tension in the region of geometrical nonlinearity has been elaborated. A numerical solution is found by the finite-element method (ANSYS.) The existence of a unified deformation diagram in generalized coordinates is established, from which the elastic modulus is determined. To validate the method, the eigenfrequencies of cylindrical specimens were found experimentally. The results obtained are compared with FEM calculations.

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Acknowledgments

This study was financially supported by the Latvian Ministry of Education and Science according to Contract No. V7632.1. We express our special gratitude to doctor Ya. Katsman (St. Petersburg) for the help in writing the Macros of ANSYS for the nonlinear problems considered in this study.

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Authors and Affiliations

  1. Institute of Materials and Structures, Riga Technical University, Riga, Latvia

    S. Gluhih, A. Kovalov, A. Tishkunov, P. Akishin & A. Chate

  2. Institute of Polymer Materials, Riga Technical University, Riga, Latvia

    E. Auzins & M. Kalnins

Authors
  1. S. Gluhih
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  2. A. Kovalov
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  3. A. Tishkunov
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  4. P. Akishin
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  5. A. Chate
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  6. E. Auzins
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  7. M. Kalnins
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Corresponding author

Correspondence to S. Gluhih.

Additional information

Translated from Mekhanika Kompozitnykh Materialov, Vol. 48, No. 1, pp. 83-94, January-February, 2012.

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Gluhih, S., Kovalov, A., Tishkunov, A. et al. Identification of the elastic modulus of polymeric materials by using thin-walled cylindrical specimens. Mech Compos Mater 48, 57–64 (2012). https://doi.org/10.1007/s11029-012-9251-0

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  • DOI: https://doi.org/10.1007/s11029-012-9251-0

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