Tribocorrosion behavior of veneering biomedical {PEEK} to Ti6Al4V structures
By Sampaio, Miguel; Buciumeanu, Mihaela; Henriques, Bruno; Silva, Filipe S.; Souza, J
Published in Journal of the Mechanical Behavior of Biomedical Materials
NULL
2016
Abstract
Abstract In dentistry, prosthetic structures must be able to support masticatory loads combined with a high biocompatibility and wear resistance in the presence of a corrosive environment. In order to improve the simultaneous wear and corrosion response of highly biocompatible prosthetic structures, a veneering poly-ether-ether-ketone (PEEK) to Ti6Al4V substrate was assessed by tribocorrosion analyses under conditions mimicking the oral environment. Samples were synthesized by hot pressing the {PEEK} veneer onto Ti6Al4V cylinders. The tribocorrosion tests on Ti6Al4V or PEEK/Ti6Al4V samples were performed on a reciprocating ball-on-plate tribometer at 30 N normal load, 1 Hz and stroke length of 3 mm. The tests were carried out in artificial saliva at 37
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