Avaliação da resistência à corrosão de implantes em aços inoxidáveis ISO 5832-9 e F138 removidos de pacientes

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Type:	Artigo de Periódico
Title:	Avaliação da resistência à corrosão de implantes em aços inoxidáveis ISO 5832-9 e F138 removidos de pacientes
Other Titles:	Evaluation of the corrosion resistance of stainless steel ISO 5832-9 and F138 implants removed from patients
Author:	Silva, Elison da Fonseca e Oliveira, Luiz Fernando Cappa de
Resumo:	-
Abstract:	This work has compared the surfaces of two different steel samples used as orthopedical implants, classified as ASTM F138 and ISO5832-9, through optical emission spectroscopy, by means of SEM and EDS. The samples (implants) were also submitted to potentiodynamic cyclic polarization in Ringer lactate and NaCl 0.9 M L-1 solutions; ISO5832-9 sample did not show any kind of localized corrosion, but in the case of F138 steel was observed a pit localized corrosion in both solutions. In Ringer lactate solution it was observed a loss of about 63% for nickel and 26% for iron for F138 stell, compared to the initial composition.
Keywords:	Stain steel Orthopedic implant Corrosion
CNPq:	-
Language:	por
Country:	Brasil
Publisher:	-
Institution Initials:	-
Access Type:	Acesso Aberto
DOI:	http://dx.doi.org/10.1590/S0100-40422012000100012
URI:	https://repositorio.ufjf.br/jspui/handle/ufjf/8307
Issue Date:	2012
Appears in Collections:	Artigos de Periódicos