conversion coating


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conversion coating

[kən′vər·zhən ‚kōd·iŋ]
(metallurgy)
A metal-surface coating consisting of a compound of the base metal.
References in periodicals archive ?
Idrissi, "Effect of zinc phosphate chemical conversion coating on corrosion behaviour of mild steel in alkaline medium: protection of rebars in reinforced concrete," Science and Technology of Advanced Materials, vol.
The aim of this study was to develop a manganese-calcium phosphate conversion coating on Mg-5Zn-1.5Ca alloy which only employed Mn[Cl.sub.2] and Ca [(N[O.sub.3]).sub.2] as the essential precursors that further improve the corrosion resistance property.
This low profile, IP66-rated wash down light is constructed of heavy-duty and corrosion resistant die cast aluminum with a Chromate conversion coating, finished with an additional powder coating for extreme durability.
The conversion coating process is based on carbothermal reduction, in which silica reduction is carried out with carbon source.
Composite anticorrosion coatings for AZ91D magnesium alloy with molybdate conversion coating and silicon sol-gel coatings.
The conversion coating cleaned and covered the outer layer of aluminum surface.
[12.] Inoue, M., "Technology of hexavalent chromium free black conversion coating" MATEREAL STAGE.
Chemical treatment by conversion coating is an effective way of improving adhesion and corrosion protection properties of the organic coatings on the aluminum alloy.
This vehicle uses unique high-strength aluminum alloys with a special conversion coating for adhesive bonding, Alcoa 951, and forming lubes (Quaker Chemical's DC2-90).
It is built with a die-cast aluminium housing and hinged full cut-off front frame with a textured, architectural bronze powdercoat finish over a chromate conversion coating.
The allowed claims describe an environmentally benign, conversion coating formulation, specifically applicable to copper and copper alloys.
They are available in all standard MIL-DTL pin counts and configurations and shell finish options include passivated nickel/gold plate or chromite conversion coating as applicable.