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This paper describes a structural analysis of the CAD model three versions fixators Sarafix which is to explore the possibility of introducing composite materials in the construction of the connecting rod fixators comparing values of displacement and stiffness at characteristic structure points. Namely, we have investigated the constructional performance of fixators Sarafix with a connecting rod formed from three different composite materials, the same matrix (epoxy resin) with three different types of fibers (E glass, kevlar 49 and carbonM55J). The results of the structural analysis fixators Sarafix with a connecting rod made of composite materials are compared with the results of tubular connecting rod fixators made of stainless steel. After comparing the results, from the aspect of stiffness, we gave the final considerations about composite material which provides an adequate substitution for the existing material.

Keywords – composite materials, external fixation, stiffness, structural analysis.


Nedim Pervan, Elmedin Mesic, Mirsad Colic, Vahid Avdic.(2015).Stiffness Analysis of the Sarafix External Fixator based on Stainless Steel and Composite Material.TEM Journal, 4(4), 366-372.


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