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|Title:||Elastic constants of 3-, 4- and 6-connected chiral and anti-chiral honeycombs subject to uniaxial in-plane loading|
Alderson, Kim L.
Evans, Kenneth E.
Grima, Joseph N.
Smith, Christopher W.
Zied, Khaled M.
|Keywords:||Finite element method|
Materials -- Mechanical properties
Materials -- Elastic properties
|Citation:||Alderson, A., Alderson, K. L., Attard, D., Evans, K. E., Gatt, R., Grima, J. N., ...Zied, K. (2010). Elastic constants of 3-, 4- and 6-connected chiral and anti-chiral honeycombs subject to uniaxial in-plane loading. Composites Science and Technology, 70(7), 1042-1048.|
|Abstract:||Finite element models are developed for the in-plane linear elastic constants of a family of honeycombs comprising arrays of cylinders connected by ligaments. Honeycombs having cylinders with 3, 4 and 6 ligaments attached to them are considered, with two possible configurations explored for each of the 3- (trichiral and anti-trichiral) and 4- (tetrachiral and anti-tetrachiral) connected systems. Honeycombs for each configuration have been manufactured using rapid prototyping and subsequently characterised for mechanical properties through in-plane uniaxial loading to verify the models. An interesting consequence of the family of ‘chiral’ honeycombs presented here is the ability to produce negative Poisson’s ratio (auxetic) response. The deformation mechanisms responsible for auxetic functionality in such honeycombs are discussed.|
|Appears in Collections:||Scholarly Works - FacSciChe|
Scholarly Works - FacSciMet
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