Anisotropic mechanical properties of oriented HAPEX^TM

Author: Bonner M.   Saunders L.S.   Ward I.M.   Davies G.W.   Wang M.   Tanner K.E.   Bonfield W.  

Publisher: Springer Publishing Company

ISSN: 0022-2461

Source: Journal of Materials Science, Vol.37, Iss.2, 2002-01, pp. : 325-334

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Abstract

A detailed study has been undertaken of the anisotropic mechanical behaviour of oriented hydroxyapatite reinforced polymer composite (HAPEX^TM). The oriented material was produced by hydrostatic extrusion of isotropic HAPEX^TM. It was found that the tensile and shear moduli and strengths of the oriented HAPEX^TM are substantially increased compared with isotropic HAPEX^TM. In particular, the properties along the extrusion direction exceed the lower range of the properties of cortical bone, showing that the oriented HAPEX^TM is suitable for use in skeletal major load bearing applications.