Analysis of induced surface modifications effects on the electrochemical behaviour of LSP-treated metallic alloys

Santiago, J.A. and Ruiz de Lara de Luis, Leonardo and Porro González, Juan Antonio and Diaz Muñoz, Marcos and Ocaña Moreno, José Luis (2015). Analysis of induced surface modifications effects on the electrochemical behaviour of LSP-treated metallic alloys. In: "5th International Conference on Laser Peening & Related Phenomena - ICLPRP", May 10-15, 2015, Cincinnati, Ohio, USA. pp. 1-38.

Description

Title: Analysis of induced surface modifications effects on the electrochemical behaviour of LSP-treated metallic alloys
Author/s:
  • Santiago, J.A.
  • Ruiz de Lara de Luis, Leonardo
  • Porro González, Juan Antonio
  • Diaz Muñoz, Marcos
  • Ocaña Moreno, José Luis
Item Type: Presentation at Congress or Conference (Other)
Event Title: 5th International Conference on Laser Peening & Related Phenomena - ICLPRP
Event Dates: May 10-15, 2015
Event Location: Cincinnati, Ohio, USA
Title of Book: Proceedings of the 5th International Conference on Laser Peening & Related Phenomena - ICLPRP
Date: 2015
Subjects:
Faculty: E.T.S.I. Industriales (UPM)
Department: Física Aplicada e Ingeniería de Materiales
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

The systematic evaluation of the electrochemical changes induced in relevant materials by LSP treatment has been envisaged. Analysis of cyclic polarization curves with clear identification of corrosion parameters (Ecorr, Icorr, Mcorr, Ep, Ip) has been succesfully performed for Al2024-T351 and AISI 316L steel. Electrochemical Impedance Spectroscopy (EIS) has been used in order to correlate the observed electrochemical behaviour (even at long timescales) with surface modifications induced by the LSP treatment, especially roughness and elemental chemical composition. A good physico-chemical process understanding has been gained in the case of Al2024-T351 and AISI 316L steel. Work has been initiated for other key materials with a more complex behaviour (i.e. Ti6Al4V).The development of a systematic assessment capability for the corrosion susceptibility modification effects of the LSP technique is under way.

More information

Item ID: 42434
DC Identifier: http://oa.upm.es/42434/
OAI Identifier: oai:oa.upm.es:42434
Official URL: http://ceas.uc.edu/lspcenter/lspconference.html
Deposited by: Memoria Investigacion
Deposited on: 04 Aug 2016 08:03
Last Modified: 03 Mar 2017 19:21
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