Compression tests of castor oil biopolymer

AUTOR(ES)

Ferneda, Amauri Bravo, Costa, Romeu Rony Cavalcante da, Tita, Volnei, Proença, Sérgio Persival Baroncini, Carvalho, Jonas de, Purquerio, Benedito de Moraes

FONTE

Materials Research

DATA DE PUBLICAÇÃO

2006-09

RESUMO

Many methods have been developed to test and evaluate the mechanical properties of the biopolymer from castor oil employed in implants and osteo-repositions, among other things. Most of the methods are performed under quasi-static and cyclic loads (creep and relaxation tests) and under high strain rate, uniaxial compression conditions. This paper presents and discusses the development and applicability of a simple load-application apparatus, devised to reduce shear and barrelling effects on specimens and allow for conventional strain around 45%. Besides contributing valuable information on the mechanical behavior of the castor oil polyurethane, the results of this research point to multiple biomedical applications for this material.

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