A two-step roll coating phosphate/molybdate passivation treatment for hot-dip galvanized steel sheet

A two-step roll coating passivation treatment employing phosphate followed by molybdate solutions has been performed on hot-dip galvanized (GI) steel sheet. The phosphate coating was primarily porous, amorphous Zn phosphate. A second step coating treatment resulted in more hemispherical Zn phosphate...

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Veröffentlicht in:	Corrosion science 2010-10, Vol.52 (10), p.3385-3393
Hauptverfasser:	Tsai, Cheng-Yang, Liu, Jen-Shou, Chen, Pei-Li, Lin, Chao-Sung
Format:	Artikel
Sprache:	eng
Schlagworte:	A. Steel A. Zinc Applied sciences B. EIS B. Polarization B. XPS C. Passive films Coating Corrosion Corrosion environments Exact sciences and technology Hot dip galvanizing Metals. Metallurgy Molybdates Phosphate coatings Phosphates Production techniques Protective coatings Roller coating Sheet metal Steels Surface treatment
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