Use of Scanning Vibrating Electrode Technique to localized corrosion evaluation of ASTM F139 stainless steel marked by laser
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2012
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INTERNATIONAL SYMPOSIUM ON ELECTROCHEMICAL METHODS IN CORROSION RESEARCH, 10th
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In this study, Scanning Vibrating Electrode Technique (SVET) was used to investigate the
effect of marking the surface of the ASTM F139 austenitic stainless steel with laser
engraving, on its localized corrosion resistance. Laser marked samples were immersed in a
phosphate buffered solution (PBS) with pH 7.4 and the development of anodic and cathodic
regions at the interface between heat affected areas by laser beam and not affected regions
was evaluated. The results showed that the area with anodic current density was related to the
laser regions and the cathodic one was generated on the adjacencies, which was best reveled
under polarized conditions.
Como referenciar
PIERETTI, EURICO F.; MANHABOSCO, SARA M.; DICK, LUÍS F. P.; COSTA, ISOLDA. Use of Scanning Vibrating Electrode Technique to localized corrosion evaluation of ASTM F139 stainless steel marked by laser. In: INTERNATIONAL SYMPOSIUM ON ELECTROCHEMICAL METHODS IN CORROSION RESEARCH, 10th, November 18-23, 2012, Maragogi, AL. Proceedings... Disponível em: http://repositorio.ipen.br/handle/123456789/32955. Acesso em: 19 Apr 2024.
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