Multilayers coatings for corrosion resistance enhancement of chromium electrodeposits
Vol. 25 No. 2 (2012), Research Papers
Vol. 25 No. 2 (2012)

Multilayers coatings for corrosion resistance enhancement of chromium electrodeposits

Research Papers
Published 2012-06-15
P. Benaben
Ecole Nationale Supérieure des Mines de Saint Etienne
F. Castañeda
Centro de Investigación y Desarrollo Tecnológico en Electroquímica S.C.
R. Antaño
Centro de Investigación y Desarrollo Tecnológico en Electroquímica S.C.
I. Terol
Centro de Investigación y Desarrollo Tecnológico en Electroquímica S.C.
J. Torres González
Centro de Investigación y Desarrollo Tecnológico en Electroquímica S.C.
J. Morales
Centro de Investigación y Desarrollo Tecnológico en Electroquímica S.C.
PDF

Keywords

Multilayer coating
Chromium coatings
Corrosion resistance
Microstructures
Columnar
Equiaxial
Salt spray (fog) test
Grain orientation
Scanning electron microscopy

How to Cite

Benaben, P., Castañeda, F., Antaño, R., Terol, I., Torres González, J., & Morales, J. (2012). Multilayers coatings for corrosion resistance enhancement of chromium electrodeposits. Superficies Y Vacío, 25(2), 106-109. Retrieved from https://superficiesyvacio.smctsm.org.mx/index.php/SyV/article/view/213
ACM ACS APA ABNT Chicago Harvard IEEE MLA Turabian Vancouver

Download Citation

Endnote/Zotero/Mendeley (RIS) BibTeX

Abstract

Chromium multilayers coatings were obtained from three different bath solutions, they were prepared using a square wave current function. Two temperatures were studied, 35°C and 55°C varying current density 10 and 70 Adm-2. The combinations of different microstructures were studied: columnar and equiaxial.

The chromium multilayers were characterized by Scanning Electron Microscopy (SEM), X-ray Diffraction (XRD), and Salt Spray (fog) Test. In general the coatings are microcracked, have small grain size and show an unexpected very good corrosion resistance, in some cases coatings do not form red rust even after 700 h of salt spray test.

PDF

References

. J.P. Ge: Plat. and Surf. Fin., May, 146-148 (1996).

. S. Hoshino and T. Midorikawa: 2nd International Colloquium, Hard & Decorative Chromium Plating, New Trends and New Applications ‘Improvement of corrosion resistance of hard chromium plated articles by mechanical polishing and its mechanism’, France, ENSMSE, 187 (1998).

. J. Romero, A. Lousa, E. Martínez and J. Esteve: Surf. and Coat. Tech., 163, 392 (2003).

. T. Pearson and K. Dennis: Plat. and Surf. Fin, November, 64 (1989).

. J.H. Chai, D.Y. Chang and S.C. Kwon: Plat. and Surf. Fin, June, 80 (1989).

. G. Gaigner, M. Assoul, M. Wery and J. Pagetti: Matériaux et Techniques, 11, 61 (2001).

. Y. Kobayashi, J. Nagasawa, K. Watanabe et al: Matériaux et Techniques, 11, 23 (2001).

. Y. Choi, N.I. Baik and S.I. Hong: Thin Solid Films, 397, 24 (2001).

. J. Reby, G. Vasseur, B. Sutter: 12th World Congress on Surface Finishing, Interfinish 88, ‘Chromage dur en courant périodiquement inversé’, 2, 369 (1988).

. C. Colombini: 12th World Congress on Surface, Finishing Interfinish 88, 2, 381 (1988).

. J.Torres and P.Benaben: Metal Finishing, 101, 107 (2003).

. Torres-González J., Castaneda, F. and Benaben, P in: ‘Theoretical and experimental advances in electrodeposition’ (ed. Luis Humberto Mendoza Huizar), 101-121; India, Research Signpost (2008).

. A. Portevin and P. Bastien : ’Réactifs d’attaque métallographique’, 36, 1937, Paris, Ed. Dunod.

. L.Castex, J.L. Lebrun, g. Maeder and J.M. Sprauel : ‘Détermination des contraintes résiduelles par diffraction de rayons X’, ENSAM, Publications Scientifiques et Téchiniques, Paris (1981).

. I.C. Noyan and J.B. Cohen ‘Residual stress, measurement by diffraction and interpretation’, directed B. Ilschner and N.J. Grant, Ed. Springer-Verlag (1987).