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US 5,633,086 AGranted
Friction and wear resistant coating for titanium and its alloys
AssigneeThe United States of America as represented by the Secretary of Commerce
InventorsStephen M. Hsu, Jia-Ming Gu
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Abstract
For titanium and titanium alloys in tribological applications under bound lubrication conditions, there are employed epoxy coatings adhered to the surface of the titanium or titanium alloy by a titanium oxide primer layer. The anti-wear properties of the epoxy coating can be improved by incorporation of an anti-wear filler such as diamond powder. These coatings improve the friction coefficient and anti-wear properties of the titanium and titanium alloys.
Claims19
A friction and wear resistant coated titanium or titanium alloy which comprises:
- (a) a titanium or titanium alloy substrate;
- (b) a first layer of Ti.sub.x O.sub.y, wherein x is from 1-2 and y is from 1-3, bonded to a surface of said titanium or titanium alloy substrate;
- and
- (c) a second layer comprising a cured epoxy resin bonded to said first layer.
1 more element
Dependencies are inferred from the claim text.