MATERIAL - FINISHES AND COATINGS - PRIMER PIGMENTS SALT SPRAY CORROSION RESISTANCE

Five pigments, potassium zinc chromate; calcium chromate; strontium chromate; barium chromate; and zinc tetroxychromate, were incorporated with two different paint vehicles, an alkyd resin and a coumarone - indene resin vehicle, suitable driers and solvents, and applied to clad 7075 T6 aluminum allo...

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Bibliographische Detailangaben
Hauptverfasser:	Mappus, L A, Whidden, R H, Sutherland, W M
Format:	Report
Sprache:	eng
Schlagworte:	BARIUM CHROMATES Coatings, Colorants and Finishes PAINT PIGMENTS PAINTS PIGMENTS PRIMERS SALT SPRAY TESTS STEEL STEEL 1050 ZINC COMPOUNDS
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Beschreibung
Zusammenfassung:	Five pigments, potassium zinc chromate; calcium chromate; strontium chromate; barium chromate; and zinc tetroxychromate, were incorporated with two different paint vehicles, an alkyd resin and a coumarone - indene resin vehicle, suitable driers and solvents, and applied to clad 7075 T6 aluminum alloy, AZ31, Condition H magnesium alloy, normalized 4130 steel, and annealed Type 321 stainless steel. The several samples were exposed to 20% salt spray exposure for 1500 hours to observe weight losses resulting from the corrosion exposure. The weight loss data showed the effectiveness of the five pigments when applied to steel and magnesium alloy ranked in the order they are mentioned above. Those primers formulated with alkyd resin vehicle per formed better when applied to alloy steel and magnesium alloy than those formulated with the cumarone - indene resin.