Faucet component with coating
View Patent ↗A component for a faucet includes a substrate including alumina and a first material provided over at least a portion of the substrate. The first material includes titanium and carbon. The component also includes a second material provided over the first material, the second material including carbon and having carbon sp3 bonding of at least 40 percent.
1. A component for a faucet comprising:
a substrate comprising alumina;
a first material provided over at least a portion of the substrate, the first material comprising titanium and carbon; and
a second material provided over the first material, the second material comprising carbon and having carbon sp3 bonding of at least 40 percent.
2. The component of claim 1 , wherein the second material layer further comprises nitrogen.
3. The component of claim 2 , wherein the second material has a thickness of at least about 100 nanometers.
4. The component of claim 1 , further comprising a third material provided between the first material and the substrate, the third material comprising titanium.
5. The component of claim 1 , wherein the second material has a hardness of at least about 40 gigapascals.
6. The component of claim 1 , wherein the second material has an elastic modulus of at least about 400 gigapascals.
7. The component of claim 1 , wherein the second material has a coefficient of friction lower than that of diamond-like carbon.
8. The component of claim 1 , wherein the second material is amorphous.
9. The component of claim 1 , wherein the second material comprises graphitic inclusions.
10. The component of claim 1 , wherein the component is a disk valve for a faucet.
11. The component of claim 1 , wherein the component comprises an inlet for a fluid.
12. A component for a faucet comprising:
a ceramic substrate;
a first material on a surface of the substrate, the first material including titanium; and
a second material on the first layer of material, the second material including at least 40 percent tetrahedrally-bonded carbon.
13. The component of claim 12 , wherein the ceramic substrate comprises alumina.
14. The component of claim 12 , wherein the first material further comprises carbon.
15. The component of claim 14 , wherein the first material comprises titanium carbide.
16. The component of claim 12 , wherein the second material is provided at a thickness of at least about 300 nanometers.
17. The component of claim 12 , wherein the second material further comprises graphitic inclusions.
18. The component of claim 12 , wherein the second material has a coefficient of friction lower than that of diamond-like carbon.
19. The component of claim 18 , wherein the second material has a hardness higher than that of diamond-like carbon.
20. The component of claim 12 , wherein the second material has a hardness of at least about 40 gigapascals.
21. The component of claim 12 , wherein the second material has an elastic modulus of at least about 400 gigapascals.
22. The component of claim 12 , wherein the component is a disk valve for a faucet.
23. The component of claim 12 , wherein the component is a moveable disk valve and is configured to engage a stationary disk valve, wherein the stationary disk valve also comprises a ceramic substrate, a first material comprising titanium provided on the ceramic substrate, and a second material including at least 40 percent tetrahedrally-bonded carbon provided on the first material.
24. A component for a faucet comprising:
an alumina substrate;
a material comprising carbon provided over at least a portion of the substrate, the material comprising carbon having at least 40 percent tetrahedrally-bonded carbon; and
a material comprising titanium provided between the material comprising carbon and the substrate.
25. The component of claim 24 , wherein the alumina is sintered alumina.
26. The component of claim 24 , wherein the material comprising titanium further comprises carbon.
27. The component of claim 24 , wherein the material comprising carbon has a coefficient of friction lower than that of diamond-like carbon and a hardness higher than that of diamond-like carbon.
28. The component of claim 24 , wherein the material comprising carbon has a hardness of at least about 40 gigapascals and an elastic modulus of at least about 400 gigapascals.
29. The component of claim 24 , wherein the component is a disk valve for a faucet.
30. The component of claim 24 , wherein the component is a moveable disk valve and is configured to engage a stationary disk valve, wherein the stationary disk valve also comprises a ceramic substrate, a first material comprising titanium provided on the ceramic substrate, and a second material including at least 40 percent tetrahedrally-bonded carbon provided on the first material.
31. A component for a fluid control valve comprising:
a valve disk comprising a substrate comprising alumina, a titanium carbide material provided on a surface of the substrate, and a carbon layer on the titanium carbide material, the carbon layer comprising at least 40 percent tetrahedrally-bonded carbon.
32. The component of claim 31 , wherein the alumina is a sintered alumina.
33. The component of claim 31 , wherein the carbon layer has a thickness of at least about 100 nanometers.
34. The component of claim 31 , wherein the carbon layer has a coefficient of friction lower than that of diamond-like carbon.
35. The component of claim 31 , wherein the carbon layer further comprises a nitrogen dopant.
36. The component of claim 31 , wherein the carbon layer has a hardness of at least 40 gigapascals.
37. The component of claim 31 , wherein the carbon layer has an elastic modulus of at least 400 gigapascals.
38. The component of claim 31 , wherein the carbon layer has a higher hardness than the substrate.
39. The component of claim 31 , wherein the carbon layer has a higher hardness than diamond-like carbon.
40. The component of claim 31 , wherein the valve disk is configured to engage another valve disk to provide a fluid-tight seal.
41. A fluid control valve comprising:
a first disk comprising alumina in contact with a second disk, a surface of the first disk configured to slide against a surface of the second disk;
a coating provided on the surface of the first disk, the coating comprising a first layer of material comprising titanium and a second layer of material provided over the first layer of material, the second layer of material being amorphous and comprising at least 40 percent tetrahedrally-bonded carbon.
42. The fluid control valve of claim 41 , wherein the second material further comprises nitrogen.
43. The fluid control valve of claim 41 , wherein the coating has a thickness greater than 100 nanometers.
44. The fluid control valve of claim 41 , wherein the second material has a hardness of at least about 40 gigapascals.
45. The fluid control valve of claim 41 , wherein the second material has an elastic modulus of at least about 400 gigapascals.
46. The fluid control valve of claim 41 , wherein at least one of the first disk and the second disk includes an inlet for fluid.
47. The fluid control valve of claim 41 , wherein the first disk includes a first inlet for hot water and a second inlet for cold water.