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US 7,732,058 B2Granted
Lubricious coatings
AssigneeDiamond Innovations, Inc.
InventorTimothy Francis Dumm
Life of this patent
Estimating the term…
Abstract
A coating includes a porous a first layer comprising metal coated solid lubricant particles partially fused together. A second layer comprising a metal or a composite that conforms to the surface topography of the first layer.
Claims6
A coating, comprising:
- a plurality of nickel-coated solid lubricant particles that are partially fused together, having a surface topography that includes a plurality of pores;
- wherein the pores comprise between about 20 and about 70 volume-percent of the coating;
- and
- a metallic matrix overlayer that substantially conforms to the surface topography;
- wherein the metallic matrix overlayer comprises a metal that is selected from the group consisting of nickel, chrome, cobalt, copper, and alloys thereof;
- and a plurality of particles.
3 more elements
A coated article, comprising:
- a substrate;
- a plurality of nickel-coated solid lubricant particles that are partially fused together, having a surface topography that includes pores;
- wherein the pores comprise between about 20 and about 70 volume-percent of the coating;
- and
- a metallic matrix overlayer that substantially conforms to the surface topography;
- wherein the metallic matrix overlayer comprises a metal that is selected from the group consisting of nickel, chrome, cobalt, copper, and alloys thereof;
- and a plurality of particles.
4 more elements
Dependencies are inferred from the claim text.