SOLID FILM LUBRICANT SUBSTRATES
ROCK ISLAND ARSENAL IL
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A comparison of the wear life and corrosion protective ability of RIA Compound 9A and two MIL-L-8937ASG solid film lubricants applied to various substrates was made. The substrates used were 1 grit blasted steel, 2 zinc phosphatized grit blasted steel, 3 zinc phosphatized cadmium plated steel and 4 sulphuric acid anodized and water sealed aluminum. The following conclusions are drawn from this investigation 1 RIA Compound 9A is superior to the two qualified MIL-L-8937ASG lubricants. 2 Corrosion products formed in a salt fog environment do not substantially reduce the lubricating ability of RIA Compound 9A when applied to zinc phosphatized steel, 3 For maximum corrosion protection, sulphuric acid anodized aluminum, water sealed after anodizing, is the best substrate for solid film lubricant coatings. 4 For maximum wear life, zinc phosphatized steel is the best substrate for solid film lubricant coatings. 5 RIA Compound 9A is the only coating examined whose wear life is not significantly reduced by an operating temperature of 400F.
- Lubricants and Hydraulic Fluids