Zinc phosphate interlayer for sol-gel-derived aluminosilicate coating on AISI-1010 carbon steel

Development of conversion coating on mild steel prior to sol gel nanostructured Al2O3 coating for enhancement of corrosion resistance

“…In case of actively corroding metals such as iron/mild steel, loosely bound and non-protective oxide is formed at the metal/coating interface during sol-gel coating and subsequent heat treatment at higher temperatures results into poor coating properties [13]. Efforts have been made to overcome such problem by introducing iron/zinc phosphate interlayer prior to sol-gel deposition [14][15][16][17]. The phosphate interlayer has been shown to provide better adherence to sol-gel coating through mechanical interlocking.…”

Characterization of ceramic sol–gel coatings as an alternative chemical conversion treatment on commercial carbon steel

“…An interesting and relatively recent possibility is the realization of protective films on metals and, particularly, the fabrication of coating films starting from metal alkoxides. Several coatings produced by sol-gel processing have been studied extensively for corrosion prevention in stainless steel and other metals that naturally form a passive layer on their surface [8][9][10], although sol-gel deposition on active corroding materials, such as iron, with a wide variety of coatings remains unexplored [11][12][13].…”

Sol–Gel Protective Coatings for Metals

“…, 2001bVoevodin. , 2001c and, to a lesser extent, studies on carbon steels (Giampaolo 1997;Fallet 2001) , copper Boysen 1999), nickel, etc. Considering the nature of the coatings, they can be divided into two large groups: …”