Mathematical Model for Axial Crushing of Hybrid Square Tubes

H. Akbarshahi; Mojtaba Sadighi; Morteza Shakeri; M. Mirzaei

doi:10.4028/www.scientific.net/KEM.471-472.664

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 471-472Mathematical Model for Axial Crushing of Hybrid...

Mathematical Model for Axial Crushing of Hybrid Square Tubes

Abstract:

In this paper, to investigate energy absorption capability of hybrid (metal-composite) square tubes under axial loading, a new theory is proposed based on collapse mode of metal square tubes and considering off-axis strength of each layer of composite. An expression is derived for mean crushing load and folding wave length in terms of mechanical properties and geometrical dimensions of metal tube and composite prepregs wrapped around it. To validate the theoretical model, predicted values for mean crushing load are compared with experimental and numerical results that show reasonably good agreement.

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Periodical:

Key Engineering Materials (Volumes 471-472)

Pages:

664-669

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.471-472.664

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Online since:

February 2011

Authors:

H. Akbarshahi, Mojtaba Sadighi, Morteza Shakeri, M. Mirzaei

Keywords:

Crushing Force, Energy Absorption, Hybrid Square Tubes, Mathematical Models

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