@article {999,
	title = {Comparison of a chromic acid and a BTSE final rinse applied to phosphated 2024-T3 aluminum alloy},
	journal = {Surface \& Coatings Technology},
	volume = {187},
	number = {2-3},
	year = {2004},
	note = {ISI Document Delivery No.: 860VHTimes Cited: 10Cited Reference Count: 31},
	month = {Oct},
	pages = {216-224},
	type = {Article},
	abstract = {Dilute chromic acid and the organosilane bis-1,2-(triethoxysilyl)ethane (BTSE) were compared by their abilities to act as post-treatment rinses for samples of 2024-T3 aluminum alloy, which had previously been coated by zinc phosphate. The first approach is conventionally used to improve corrosion protection, but alternatives are needed because of environmental concerns with Cr(VI). Variations in conditions for application of the final rinse, especially through changes in solution concentration, were compared by measuring polarization curves, which provide an indication of corrosion stability. These comparisons were related to coating morphology, which was studied using scanning electron microscopy (SEM), and to studies of chemical composition with X-ray photoelectron spectroscopy (XPS) and energy dispersive X-ray (EDX) spectroscopy. Immersion tests in NaCl solution were applied to post-treated zinc phosphate coatings that had been formed on mirror-polished alloy surfaces. Overall, the post-treatment in 4\% BTSE at 25 degreesC appears to provide a comparable corrosion resistance to that found when the final rinse is done in a conventional CrO3 Solution (concentration 0.5 g/l) at 70 degreesC. At the microstructural level, initial observations were also made for comparing the effects of the post-treatments at protecting alloy matrix areas adjacent to Al-Cu-Mg second-pbase particles. (C) 2004 Elsevier B.V. All rights reserved.},
	keywords = {AL, aluminum alloy, chemical conversion, CHEMISTRY, CONVERSION COATINGS, corrosion, metals, PAINT ADHESION, phosphating, photoelectron spectroscopy, post-treatment, scanning electron microscopy, SPECTROSCOPY},
	isbn = {0257-8972},
	url = {<Go to ISI>://000224371300012},
	author = {Susac, D. and Leung, C. W. and Sun, X. and Wong, K. C. and Mitchell, K. A. R.}
}
@article {793,
	title = {The effect of Ni2+ on zinc phosphating of 2024-T3 Al alloy},
	journal = {Surface \& Coatings Technology},
	volume = {187},
	number = {2-3},
	year = {2004},
	note = {ISI Document Delivery No.: 860VHTimes Cited: 27Cited Reference Count: 32},
	month = {Oct},
	pages = {208-215},
	type = {Article},
	abstract = {Zinc phosphate (ZPO) conversion coatings formed on 2024-T3 aluminum alloy, and on high-purity aluminum, after dipping in coating baths containing different amounts of Ni2+, have been studied by X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM), energy-dispersive X-ray (EDX) spectroscopy, scanning Auger microscopy (SAM) and electrochemical measurements. Significant variations are observed in coating morphology and in stability against corrosion for the 2024-Al alloy as the amount of Ni2+ in the coating solution increases through the 0-2000 ppm range. By contrast, for high-purity Al, the most marked changes in coating morphology occur only as the Ni2+ concentration reaches 2000 ppm. The presence of additional elements, and especially Cu, in the 2024-Al samples results in an increase in the number of cathodic sites and hence more coating is formed for corresponding conditions. Additionally, the existence of second-phase particles in the 2024-Al sample leads to variations in the coatings at the microstructural level across the surface. These differences include local variations in the amount of Ni2+ in the coatings, as well as the local coverage. (C) 2004 Elsevier B.V. All rights reserved.},
	keywords = {aluminum alloy, ALUMINUM-ALLOY, Auger electron spectroscopy, chemical conversion, CHROMATE CONVERSION COATINGS, CORROSION PROTECTION, FILMS, Ni2+ additive, NICKEL, phosphating, photoelectron spectroscopy, STEEL, SURFACE, XPS},
	isbn = {0257-8972},
	url = {<Go to ISI>://000224371300011},
	author = {Akhtar, A. S. and Susac, D. and Glaze, P. and Wong, K. C. and Wong, P. C. and Mitchell, K. A. R.}
}
