Process equipment wear surfaces of extended resistance and methods for their manufacture
View Patent ↗A method for producing process equipment having a wear surface having extended resistance to one or more of abrasion, erosion, or corrosion, associated with fillers or solids processed by said process equipment includes applying to said process equipment wear surface a metal matrix coating filled with superabrasive particles. Diamond and cubic boron nitride superabrasive particles can fill the metal matrix, which can be a nickel coating.
1. Process equipment, comprising:
a substrate, and
a filler material process wear surface coated with a coating comprising a metal selected from the group of nickel or nickel alloys and superabrasive particles comprising synthetic monocrystalline diamond; and
one or more of hexagonal boron nitride (hBN), SiC, Si 3 N 4 , WC, TiC, CrC, B 4 C, and Al 2 O 3 ;
wherein said superabrasive particles are between about 0.1 microns to less than about 50 microns, and wherein the coating has a thickness from greater than about 2 microns to about 1000 microns.
2. The equipment of claim 1 wherein:
the superabrasive particles comprise between about 5 and about 80 volume-percent of the coating.
3. The equipment of claim 1 , wherein
the coating further comprises one or more of nickel, nickel alloys, silver, silver alloys, tungsten, tungsten alloys, boron, tantalum, stainless steel, chromium, molybdenum, vanadium, zirconium, titanium, tungsten, a ceramic, a glass, talcum, a plastic, a metal graphite, a metal oxide, a metal silicide, a metal carbonate, a metal carbide, a metal sulfide, a metal phosphate, a metal boride, a metal silicate, a metal oxylate, a metal nitride, or a metal fluoride.
4. The equipment of claim 1 , wherein the wear surface is a that of a forming tool for one or more of rolling, shearing, bending, drawing, swaging, hot forging, coining, extrusion, injection molding, compression molding, transfer molding, or laminating.
5. The equipment of claim 1 , wherein the wear surface is that of process equipment extrusion equipment or compounding equipment.
6. The equipment of claim 1 , wherein the wear surface is that of size reduction equipment or size classification and separation equipment.
7. The equipment of claim 1 , wherein the wear surface is that of an orifice.
8. The equipment of claim 1 , wherein the wear surface is that of a turbine engine, a diesel engine, or an Otto cycle engine.
9. The equipment of claim 1 , wherein the wear surface is that of a projectile weapon.
10. The equipment of claim 1 , wherein the wear surface is that of a radial bearing, thrust bearing, mechanical couplings, wear pad, flow diverter, flow restrictor, mud pump liner, impeller, drill pipe, valve, directional drilling assembly, hanger assembly, percussion assembly, nozzle, or core lifter.
11. The equipment of claim 1 , wherein the wear surface is that of a conveyance assembly for conveying a filler comprising ceramic, glass, mineral, cermet, metal, organic material, cementitious material, ice, or biomass.
12. The equipment of claim 1 , wherein the wear surface is that of a pump.
13. The equipment of claim 1 , wherein the wear surface is that of a clipper blade or a clipper comb.
14. The equipment of claim 1 , wherein the wear surface is that of discontinuous fiber production equipment.
15. A transfer assembly, comprising:
a filler material process wear surface coated with a coating comprising a metal and superabrasive particles comprising synthetic monocrystalline diamond; and
one or more of hexagonal boron nitride (hBN), SiC, Si 3 N 4 , WC, TiC, CrC, B 4 C, and Al 2 O 3 ;
wherein the superabrasive particles comprise between about 5 and about 80 volume-percent of the coating; and have an average particle size that ranges from about 0.1 to about 50 microns;
wherein the coating has a thickness from about 0.5 to about 1000 microns.
16. The transfer assembly of claim 15 , wherein the wear surface is that of a pipe, a projectile weapon barrel, or an extruder.
17. Process equipment, comprising:
a substrate, and
a filler material process wear surface coated with a coating comprising a metal selected from the group of nickel or nickel alloys and superabrasive particles comprising synthetic monocrystalline diamond; and
one or more of hexagonal boron nitride (hBN), SiC, Si 3 N 4 , WC, TiC, CrC, and B 4 C;
wherein said superabrasive particles are between about 0.1 microns to less than about 50 microns, and wherein the coating has a thickness from greater than about 2 microns to about 1000 microns.