C - Chemistry – Metallurgy – 25 – D
Patent
C - Chemistry, Metallurgy
25
D
C25D 3/56 (2006.01)
Patent
CA 2152083
A nickel tungsten-containing coating (30) is electrodeposited onto a substrate (34) from an electrodeposition bath having in solution from about 0.034 to about 0.047 moles per liter of nickel from about 0.15 to about 0.28 moles per liter of tungsten, from about 0.13 to about 0.43 moles per liter of hydroxycarboxylic acid, and 0 or from about 0.077 to about 0.15 moles per liter of boron. The bath has a pH of from about 6 to about 9, and the electrodeposition is preferably accomplished at a temperature of from about 100°F to about 140°F.
Croopnick Gerald A.
Scruggs David M.
Amorphous Technologies International Inc.
Macrae & Co.
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