A method of forming a gun barrel is disclosed that includes applying one or more coatings to the gun barrel such as just a top coating, or a bond coating and then a top coating. The method may also include (before applying one or more coatings): threading an outer surface of the gun barrel proximate
A method of forming a gun barrel is disclosed that includes applying one or more coatings to the gun barrel such as just a top coating, or a bond coating and then a top coating. The method may also include (before applying one or more coatings): threading an outer surface of the gun barrel proximate a first end of the gun barrel; threadedly coupling the first end of the gun barrel to a gun chamber; fixedly coupling the gun barrel to the gun chamber. The method may also include heat treating the coating layer(s), contouring the outer coating layer, applying a ceramic top coating to the contoured outer coating layer of the gun barrel, and/or sealing the gun barrel with a liquid metal sealer.
대표청구항▼
1. A method of manufacturing a gun barrel comprising: applying a bond coating comprising an alloy or superalloy to an outer surface of a gun barrel; and cold gas-dynamic spraying the gun barrel with a top coating comprising at least one of titanium powder, titanium alloy powder, aluminum powder, alu
1. A method of manufacturing a gun barrel comprising: applying a bond coating comprising an alloy or superalloy to an outer surface of a gun barrel; and cold gas-dynamic spraying the gun barrel with a top coating comprising at least one of titanium powder, titanium alloy powder, aluminum powder, aluminum alloy powder, titanium-aluminum matrix powder, chromium alloy powder, cobalt powder, cobalt alloy powder, copper powder, copper alloy powder, iron powder, iron alloy powder, nickel powder, nickel alloy powder, and any combination thereof. 2. The method of claim 1, wherein applying the bond coating comprises applying a bond coating comprising a nickel based alloy or superalloy to the gun barrel. 3. The method of claim 1, wherein applying the bond coating comprises spraying the gun barrel with a bond coating comprising a nickel based alloy or superalloy. 4. The method of claim 3, wherein spraying the gun barrel comprises thermal spraying the gun barrel with a bond coating comprising a nickel based alloy or superalloy until the bond coating is between approximately 0.005 inches and 0.010 inches thick. 5. The method of claim 3, wherein cold gas-dynamic spraying the gun barrel comprises cold gas-dynamic spraying the gun barrel with the top coating until the bond and top coatings together are between approximately 0.300 inches and 0.500 inches thick. 6. The method of claim 1, further comprising: threading an outer surface of the gun barrel proximate a first end of the gun barrel;threadedly coupling the first end of the gun barrel to a gun chamber; andfixedly coupling the gun barrel to the gun chamber before applying the bond coating. 7. The method of claim 6, further comprising threading an inner surface of the gun chamber complementary to the threaded outer surface of the gun barrel. 8. The method of claim 6, wherein fixedly coupling the gun barrel to the gun chamber comprises at least one of tack welding, soldering, or brazing the gun barrel and the gun chamber. 9. The method of claim 1, wherein applying a bond coating comprises thermal spraying the gun barrel with a bond coating comprising a nickel based alloy or superalloy until the bond coating is between approximately 0.005 inches and 0.010 inches thick. 10. The method of claim 1, wherein cold gas-dynamic spraying the gun barrel comprises cold gas-dynamic spraying the gun barrel with the top coating until the bond and top coatings together are between approximately 0.300 inches and 0.500 inches thick. 11. The method of claim 1, further comprising heat treating the bond and top coatings. 12. A method of manufacturing a gun barrel comprising: cold gas-dynamic spraying an outer surface of a gun barrel with a top coating comprising at least one of titanium powder, titanium alloy powder, aluminum powder, aluminum alloy powder, titanium-aluminum matrix powder, chromium alloy powder, cobalt powder, cobalt alloy powder, copper powder, copper alloy powder, iron powder, iron alloy powder, nickel powder, nickel alloy powder, and any combination thereof. 13. The method of claim 12, further comprising: threading an outer surface of the gun barrel proximate a first end of the gun barrel;threadedly coupling the first end of the gun barrel to a gun chamber; andfixedly coupling the gun barrel to the gun chamber before applying the top coating. 14. The method of claim 13, further comprising threading an inner surface of the gun chamber complementary to the threaded outer surface of the gun barrel. 15. The method of claim 13, wherein fixedly coupling the gun barrel to the gun chamber comprises at least one of tack welding, soldering, or brazing the gun barrel and the gun chamber. 16. The method of claim 12, wherein cold gas-dynamic spraying the gun barrel comprises cold gas-dynamic spraying the gun barrel with the top coating until the top coating is between approximately 0.300 inches and 0.500 inches thick.
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이 특허에 인용된 특허 (13)
Edmunds, Cyril G.; Gaudioso, Stephen L., Amorphous metal components for a reproduction machine.
Turchan Manuel C. (Northville MI) Mistry Pravin (Shelby Township MI), Substrate coating techniques, including fabricating materials on a surface of a substrate.
Siemers Paul A. (Clifton Park NY) Kopp Robert W. (Ballston Lake NY) Jackson Melvin R. (Schenectady NY) Duke Steven R. (Williston VT) Perrin David P. (Charlotte VT) Liu Ying H. (South Burlington VT), Wear resistant gun barrel and method of forming.
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