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Elastic Properties of Rhombus Dodecahedron Open-Cell Cellular Materials

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Abstract:

Based on the principle of pore formation, geometrical model to describe open-cell cellular materials was constructed. The model is rhombus dodecahedron cell shapes with circle-strut and transitional-junction. The dependence of relative density on the microstructure of the model was analyzed; by finite elements method, the relative elastic modulus of the model was calculated, the influence of microstructure and relative density on the elastic modulus was also obtained. The results show that circle-strut radius and transitional-junction curvature radius are the primary factors on relative density increment; nonlinearity of relative density on relative elastic modulus is similar to that of circle-strut radius on relative elastic modulus, is obviously greater than that of transitional-junction curvature radius on relative elastic modulus.

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Periodical:

Advanced Materials Research (Volumes 706-708)

Pages:

99-102

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.706-708.99

Citation:

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Online since:

June 2013

Authors:

Hong Zhu, Li Gang Zhang, Xiang Dong Qi

Keywords:

Cellular Materials, Elastic Property, Finite Element Method (FEM), Rhombus Dodecahedron

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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