Failure of classical elasticity in auxetic foams

J. H. Roh, C. B. Giller, P. H. Mott +1

A recent derivation [P.H. Mott and C.M. Roland, Phys. Rev. B 80, 132104 (2009).] of the bounds on Poisson's ratio, v, for linearly elastic materials showed that the conventional lo…