Results 171 to 180 of about 5,025 (233)

Formation and breakdown on chromate conversion coatings on Al-Zn-Mg-Cu 7x75 alloys

, 2004
Yuhchae Yoon
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In Situ Oxidation of Cr(Iii) for the Corrosion Protection of Zn: A Cr(Vi)-Free Process to Substitute Chromate Conversion Coatings

Antônio Buaczik, Max Costa, Vinicius Cerveira, C. Radtke, A. M. H. de Andrade, Celia R.T.S. Catuogno, Gerhard Knörnschild, Luís Frederico Pinheiro Dick   +7 more
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Assessment of Commercially Available Non-Chromate Conversion Coatings.

, 2018
Kimberly Martínez
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Chromate and Chromate–Phosphate Conversion Coatings on Aluminium

Arabian Journal for Science and Engineering, 2011
Investigations of chromate and chromate–phosphate conversion coatings on aluminium using SIMS and AES techniques revealed that they are composed of hydrated chromium oxide/hydroxide and chromium phosphate respectively. These compositions are consistent with the electrochemical mechanism for conversion coating formation on aluminium.
M. Oki, T. K. Oki, E. Charles
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Chromate Conversion Coatings

1994
Abstract This article briefly describes the basic attributes of chromate conversion coatings and the processes for applying them. It provides information on the influence of substrate microstructure on the performance of coating deposits and on the mechanism of substrate protection supplied by chromate coatings.
Patrick L. Hagans, Christina M. Haas
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Non-Chromate Talc Conversion Coatings for Aluminum

CORROSION 1994, 1994
Abstract A method has been developed for applying an inorganic conversion coating on aluminum that is procedurally similar to chromate conversion coating methods. This new method, however, does not use or produce hazardous or toxic chemicals.
Buchheit, R. G., Drewien, C. A., Finch, J. L., Stoner, G. E.   +3 more
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Chromate conversion coatings on aluminium–copper alloys

Corrosion Science, 2005
Abstract The study compares the formation of chromate/fluoride conversion coatings, composed mainly of amorphous hydrated chromia, on model, solid-solution, binary Al–Cu alloys, of a range of compositions, and on 2014-T6 aluminium alloy. The model alloys, produced by magnetron sputtering, reveal the importance of copper in limiting the thickness of ...
Y. Liu, P. Skeldon, G.E. Thompson, H. Habazaki, K. Shimizu   +4 more
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Black chromate conversion coatings on electrodeposited zinc

Surface and Coatings Technology, 1988
Abstract The properties of black chromate conversion coatings on electrodeposited zinc and Zn-Co alloy have been investigated. A possible method is described for the determination of the optical thickness of the coating. It has been established that the presence of certain additives, e.g.
M. Nikolova, O. Harizanov, P. Steftchev, I. Kristev, S. Rashkov   +4 more
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Chromate Conversion Coatings on 2024 Al Alloy

Surface and Interface Analysis, 1997
X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM) and potentiodynamic measurements have been made on chromate conversion-coated Al 2024-T3 alloy. X-ray photoelectron spectroscopy measurements indicated that the conversion coating had a surface of CrOOH and Cr(VI), enriched in ferricyanide.
A. E. Hughes, R. J. Taylor, B. R. W. Hinton   +2 more
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