Review—Conversion Coatings Based on Zirconium and/or Titanium
By I. Milošev, Gerald S. Frankel. 2018
180 citations recorded by the source corpus.
There is a growing interest in conversion coatings based on titanium and/or zirconium as the result of the health and environmental issues associated with legacy chromate and phosphate conversion coatings. Any alternative technology should be environmentally friendly and cost effective, and also able to achieve comparable corrosion resistance and paint adhesion for ferrous and non-ferrous substrates. Conversion coatings based on titanium or zirconium seem to fulfill many of these requirements and thus offer a great potential for further applications. This literature review summarizes the scientific results in this rapidly growing area of research. Following the description of composition of conversion bath and deposition mechanism, the effects of process parameters for conversion baths such as pH, temperature, immersion time and agitation are presented together with coating characteristics. The effects of the type of substrate and substrate pre-treatment are explored for the most-studied substrates: Al alloys, zinc-coated steels and steels. Properties such as composition, morphology and thickness are summarized. The corrosion performance of the conversion coatings is discussed, as well as adhesion of organic coatings and delamination mechanism for a full coating system including Attribution work in
Subfields: Materials Chemistry, Mechanics of Materials, Metals and Alloys
View Paper: https://www.semanticscholar.org/paper/11e161c3ae2cf3d61f2ec80042b2dfebb66bd846
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In Materials Chemistry
- Mário Ferreira
- J. Tedim
- M. Zheludkevich
- C. Blawert
- M. F. Montemor
- M. Aliofkhazraei
- Sviatlana V. Lamaka
- M. Toorani
In Mechanics of Materials
In Metals and Alloys
Citations in the corpus
- Layered double hydroxides (LDHs) as functional materials for the corrosion protection of aluminum alloys: A review (2020, background): “elevant, there is still a large room for improvement, starting from he fact that these coatings are not self-healing but only barrier rotective [157] and second, the Zr/Ti layer tends to be inhomogeeous [157] .”
- Environmentally Friendly Anticorrosive Polymeric Coatings (2021, methodology): “based on sol-gel technologies and hybrid inorganic-organic pre-treatments such as nano ceramic coatings using titanium [25], zirconium [26], silicate, rare earth metals [27], and molybdates [28] compounds as greener alternatives.”