2012
DOI: 10.1590/s0100-40422012000100012
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Avaliação da resistência à corrosão de implantes em aços inoxidáveis ISO 5832-9 e F138 removidos de pacientes

Abstract: Recebido em 14/1/11; aceito em 27/6/11; publicado na web em 3/8/11 EVALUATION OF THE CORROSION RESISTANCE OF STAINLESS STEEL ISO 5832-9 AND F138 IMPLANTS REMOVED FROM PATIENTS. 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; ISO583… Show more

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Cited by 6 publications
(2 citation statements)
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“…These results show that the alloy contains as major components the elements Fe (62.6 %), Cr (17.06 %) and Ni (13.3 %) and other elements quantified were As, Co, Cu, Mn, Mo, V and W. Results obtained for this alloy presented relative standard deviations lower than 14.0 % indicating a good precision for the results. The quantity of C and N are also determined in this type of steel since they have an important effect on the corrosion [17,18]. However, these two elements were not determined in this study since C and N are not suitable for detection by neutron activation analysis.…”
Section: Resultsmentioning
confidence: 96%
“…These results show that the alloy contains as major components the elements Fe (62.6 %), Cr (17.06 %) and Ni (13.3 %) and other elements quantified were As, Co, Cu, Mn, Mo, V and W. Results obtained for this alloy presented relative standard deviations lower than 14.0 % indicating a good precision for the results. The quantity of C and N are also determined in this type of steel since they have an important effect on the corrosion [17,18]. However, these two elements were not determined in this study since C and N are not suitable for detection by neutron activation analysis.…”
Section: Resultsmentioning
confidence: 96%
“…Quando o estágio de propagação dos pites torna-se estável, a nucleação já está estabelecida, e a repassivação espontânea não é mais possível (TIAN et al, 2014;SILVA;OLIVEIRA, 2012;BURSTEIN et al, 2004) Por isso, os profissionais de saúde devem identificar e separar os instrumentais corroídos, encaminhando-os para o serviço de assistência técnica, segregando-os dos demais, para que não sejam utilizados em outros pacientes (TIAN et al, 2014;BURSTEIN et al, 2004).…”
Section: Propagação Dos Pites Estáveisunclassified