Publicação: Microstructural study of the resistance to corrosion of laser welded AuPd alloy joints for prosthesis supported by implants
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Data
2002-01-01
Orientador
Coorientador
Pós-graduação
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Editor
Editora Unesp
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Artigo
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Resumo
In this work, welded Au alloy joints, used for prosthesis supported by implants, have been studied before and after to laser welding processes. A refined dendritic microstructure was observed in the welding area. The base metal exhibited a two-phase granular microstructure with larger hardness and the appearance of Au precipitate. The electrochemical experiments, in NaCl 0.15 mol.L-1 solution at room temperature, which are appropriate to simulate corrosion at oral environment conditions, showed that the joint has a better performance when compared to base metal; probably due to the metallurgical structure in the region.
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Espanhol
Como citar
Ecletica Quimica. Sao Paulo: Editora Unesp, v. 27, p. 185-199, 2002.
