Phase Transforming Cellular Materials (Spherical Shells)

By Valeria Grillo1; ASHLEY MIN2; Gavin Carter; Yunlan Zhang3; Kristiaan William Hector3; David Restrepo Arango; Chidubem Nuela Enebechi3; Pablo Daniel Zavattieri3; Nilesh Mankame

1. Other 2. NCN URE 3. Purdue University

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Abstract

“Phase transforming cellular materials (PXCMs) are a class of materials whose unit cells exhibit multiple configurations (metastable or bistable) [1]. The geometrical structure of the PXCM can change to increase the energy absorbed. The hysteretic nature of the PXCM makes the potential application of these cellular materials extremely versatile”[1]. The objective was to be able to research within the 3D realm for the purpose of constructing a 3D PXCM.

A well known PXCM has a sinusoidal beam mechanism. During the summer the research group decided to test different geometries, in this case, shells were created with tennis balls.

 

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NCN Summer Undergraduate Research Experience 2018

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General Motors

References

[1] D. Restrepo, N. D. Mankame, and P. D. Zavattieri. “Phase transforming cellular materials”. Extrem. Mech. Lett., vol. 4, pp. 52–60, 2015.

[2] M. Taffetani, X. Jiang, D.P. Holmes, D. Vella. “Static bistability of spherical caps”. Proc. R. Soc. A., vol. 474, 2018.

Cite this work

Researchers should cite this work as follows:

  • Valeria Grillo, ASHLEY MIN, Gavin Carter, Yunlan Zhang, Kristiaan William Hector, David Restrepo Arango, Chidubem Nuela Enebechi, Pablo Daniel Zavattieri, Nilesh Mankame (2018), "Phase Transforming Cellular Materials (Spherical Shells)," https://nanohub.org/resources/28889.

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Tags

  1. civil engineering
  2. materials science
  3. NCN URE
  4. phase transformation
  5. undergraduate research