Effect of recasting procedure upon corrosion behavior and metallic ion release of Co-Cr-Mo dental alloy in physiological


Autoria(s): Silva, Jose Wilson de Jesus; Baldissera, Silmara Cristina; Felipe, Hamilton de; Codaro, Eduardo Norberto
Contribuinte(s)

Universidade Estadual Paulista (UNESP)

Data(s)

27/05/2014

27/05/2014

01/07/2009

Resumo

Recasting process influence upon corrosion behavior of Co-Cr-Mo dental alloy in simulated physiological serum has been investigated using chemical and electrochemical techniques. Recast Co-Cr-Mo alloy by induction (IND) or by blowtorch (FLAME) has exhibited similar dendritic structures. Both IND and FLAME alloys have presented good corrosion resistance in physiological serum. Passivation process provides this corrosion resistance. Codissolution makes this process difficult. Passive films, formed on these alloys, have been analyzed as a dual layer consisting of an inner barrier and an outer porous layer. Passive film protective characteristics are higher in FLAME than in IND alloy. On this last alloy, the passive film is more porous due to a higher Codissolution. ©Carl Hanser Verlag, München.

Formato

321-336

Identificador

http://dx.doi.org/10.3139/147.110024

Praktische Metallographie/Practical Metallography, v. 46, n. 7, p. 321-336, 2009.

0032-678X

http://hdl.handle.net/11449/130639

10.3139/147.110024

WOS:000269185300001

2-s2.0-68349159149

Idioma(s)

deu

eng

Relação

Praktische Metallographie = Practical Metallography

Direitos

closedAccess

Palavras-Chave #Co-dissolution #CoCrMo alloy #Corrosion behavior #Dendritic structures #Dual layer #Electrochemical techniques #Ion release #Passivation process #Passive films #Porous layers #Protective characteristic #Body fluids #Chromium #Corrosion resistance #Corrosive effects #Dendrimers #Dental alloys #Flame resistance #Flammability #Molybdenum #Passivation #Molybdenum alloys
Tipo

info:eu-repo/semantics/article