Solid film lubricated high oxidation temperature rhenium material
AssigneeHoneywell International Inc.
InventorsWilliam L. Giesler, Robbie J. Adams, Todd A. Langston, Margaret M. Floyd
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Abstract
The present invention provides a composition that includes a rhenium-based alloy and a solid film lubricant. The rhenium-based alloy comprises an alloying substance including at least one constituent having a stronger affinity to oxygen than does Re when exposed to an atmosphere at a temperature of at least about 285° C.
Claims20
A composition comprising:
- a rhenium-based alloy comprising an alloying substance including at least one constituent selected from the group consisting of Co, Cr, and Mn, the alloying substance having a stronger affinity to oxygen than does Re when exposed to an atmosphere having a temperature of at least about 285° C.;
- and
- a solid film lubricant comprising at least one constituent selected from the group consisting of molybdenum disulfide, cubic boron nitride, silver, polytetrafluoroethylene, barium fluoride, calcium fluoride, barium fluoride-calcium fluoride eutectic, chromium oxide, boron, boron nickel, antimony, magnesium fluoride, barium fluoride-calcium fluoride-magnesium fluoride eutectic, magnesium silicate (talc), zinc phosphate, graphite carbon, and calcium sulfate.
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A method of forming an oxidation-resistant, self lubricating coating on a substrate surface, comprising the step of:
- cold gas-dynamic spraying a material comprising a rhenium-based alloy and a solid film lubricant onto the substrate surface, wherein the rhenium-based alloy comprises an alloying substance including at least one constituent having a stronger affinity to oxygen than does Re when exposed to an atmosphere at a temperature of at least about 285° C.
A method of forming an oxidation-resistant, self lubricating coating on a substrate surface, comprising the step of:
- metal spraying a material comprising a rhenium-based alloy and a solid film lubricant onto the substrate surface, wherein the rhenium-based alloy comprises an alloying substance including at least one constituent having a stronger affinity to oxygen than does Re when exposed to an atmosphere at a temperature of at least about 285° C.
Dependencies are inferred from the claim text.