Reactive material compositions, shot shells including reactive materials, and a method of producing same

• US 7,977,420 B2
• Filed: 03/22/2007
• Issued: 07/12/2011
• Est. Priority Date: 02/23/2000
• Status: Expired due to Fees

• Current Assignee: Northrop Grumman Systems Corporation (Northrop Grumman Corporation)
• Original Assignee: Alliant Techsystems Incorporated (Northrop Grumman Corporation)
• Inventors: Truitt, Richard M., Nielson, Daniel B., Poore, Rochelle D., Ashcroft, Benjamin N.
• Primary Examiner(s): Cain; Edward J
• Application Number:
  US11/690,016
• Publication Number:
  US 20070272112A1
• Time in Patent Office: 1,573 Days
• Field of Search: 524439-442
• US Class Current: 524/439
• CPC Class Codes: C06B 27/00 Compositions containing a metal, boron, silicon, selenium or tellurium or mixtures, intercompounds or hydrides thereof, and hydrocarbons or halogenated hydrocarbons
• CPC Class Codes: C06B 33/00 Compositions containing particulate metal, alloy, boron, silicon, selenium or tellurium with at least one oxygen supplying material which is either a metal oxide or a salt, organic or inorganic, capable of yielding a metal oxide
• CPC Class Codes: C06B 45/10 the organic component containing a resin
• CPC Class Codes: F42B 12/46 for dispensing gases, vapours, powders or chemically-reactive substances F42B12/70 takes precedence
• CPC Class Codes: F42B 7/02 Cartridges, i.e. cases with propellant charge and missile

Abstract

A reactive material that includes at least one binder and at least one fuel, at least one oxidizer, or combinations thereof; at least one metal and at least one fuel; or at least two fuels. The reactive material is used in a reactive material shot shell in which at least a portion of a slug, shot, or combinations thereof are formed from the reactive material.

Claims

1. A composition for a reactive material comprising at least one fuel, an epoxy resin selected from the group consisting of a diglycidyl ether of bisphenol A and a diglycidyl ether of bisphenol F, and at least one inorganic oxidizer.

2. The composition of claim 1, wherein the at least one fuel comprises a compound selected from the group consisting of hafnium, aluminum, tungsten, zirconium, magnesium, boron, titanium, sulfur, tantalum, nickel, zinc, tin, silicon, palladium, bismuth, iron, copper, phosphorous, osmium, magnalium, and an alloy of zirconium and nickel.

3. The composition of claim 1, wherein the at least one fuel comprises tungsten, zirconium, nickel, aluminum, tantalum, hafnium, and combinations thereof.

4. The composition of claim 1, further comprising at least one inorganic oxidizer selected from the group consisting of cupric oxide, bismuth trioxide, and potassium perchlorate.

5. The composition of claim 1, further comprising glass powder or glass fibers.

6. The composition of claim 1, further comprising a terpolymer of tetrafluoroethylene, hexafluoropropylene, and vinylidene fluoride.

7. The composition of claim 1, wherein the reactive material comprises tungsten, zirconium, a diglycidyl ether of bisphenol A, potassium perchlorate, and glass powder.

8. A composition for a reactive material, comprising:

at least one terpolymer of tetrafluoroethylene, hexafluoropropylene, and vinylidene fluoride and osmium.

9. A composition for a reactive material comprising at least one fuel and perfluorosuccinyl polyether di-alcohol.

10. The composition of claim 9, wherein the at least one fuel comprises a compound selected from the group consisting of hafnium, aluminum, tungsten, zirconium, magnesium, boron, titanium, sulfur, tantalum, nickel, zinc, tin, silicon, palladium, bismuth, iron, copper, phosphorous, osmium, magnalium, and an alloy of zirconium and nickel.

11. The composition of claim 9, wherein the at least one fuel comprises zirconium, aluminum, nickel, hafnium, tungsten, and combinations thereof.

12. The composition of claim 9, further comprising at least one inorganic oxidizer selected from the group consisting of cupric oxide and potassium perchlorate.

13. The composition of claim 9, wherein the reactive material comprises aluminum, cupric oxide, and perfluorosuccinyl polyether di-alcohol.

14. The composition of claim 9, wherein the reactive material comprises zirconium, cupric oxide, and perfluorosuccinyl polyether di-alcohol.

15. The composition of claim 9, wherein the reactive material comprises nickel, cupric oxide, and perfluorosuccinyl polyether di-alcohol.

16. The composition of claim 9, wherein the reactive material comprises hafnium and perfluorosuccinyl polyether di-alcohol.

17. The composition of claim 16, further comprising aluminum.

18. The composition of claim 16, further comprising potassium perchlorate.

19. The composition of claim 9, wherein the reactive material comprises zirconium and perfluorosuccinyl polyether di-alcohol.

20. The composition of claim 9, wherein the reactive material comprises tungsten, zirconium, potassium perchlorate, and perfluorosuccinyl polyether di-alcohol.

21. A shot shell comprising a case and at least one of a slug and shot received at least partially within the case:

at least a portion of the at least one of the slug and the shot formed from a reactive material wherein the reactive material comprises a composition from one of the following compositions;

at least one fuel, an epoxy resin selected from the group consisting of a diglycidyl ether of bisphenol A and a diglycidyl ether of bisphenol F, and at least one inorganic oxidizer;

at least one terpolymer of tetrafluoroethylene, hexafluoro-propylene, and vinylidene fluoride and osmium;

at least one fuel and a fluorinated polymer of perfluoropolyether;

at least one fuel and perfluorosuccinyl polyether di-alcohol;

at least one fuel, an epoxy resin selected from the group consisting of a diglycidyl ether of bisphenol A and a diglycidyl ether of bisphenol F, and glass powder or glass fibers; and

at least two fuels and a diglycidyl ether of bisphenol A or a diglycidyl ether of bisphenol F.

22. The shot shell of claim 21, wherein the slug comprises the reactive material or a combination of the reactive material and a metal material.

23. The shot shell of claim 21, wherein the shot comprises the reactive material or a combination of the reactive material and a metal material.

24. The shot shell of claim 23, wherein the shot comprises the metal material embedded in the slug formed from the reactive material.

25. The shot shell of claim 21, wherein the at least one fuel is a compound selected from the group consisting of hafnium, aluminum, tungsten, zirconium, magnesium, boron, titanium, sulfur, tantalum, nickel, zinc, tin, silicon, palladium, bismuth, iron, copper, phosphorous, osmium, magnalium, and an alloy of zirconium and nickel.

26. The shot shell of claim 21, wherein the at least one inorganic oxidizer is a compound selected from the group consisting of ammonium perchlorate, potassium perchlorate, potassium nitrate, cupric oxide, iron oxide, tungsten dioxide, tungsten trioxide, hafnium oxide, bismuth trioxide, and molybdenum trioxide.

27. The shot shell of claim 22, wherein the metal material comprises steel, tungsten, lead, copper, nickel, tin, or combinations thereof.

28. The shot shell of claim 23, wherein the metal material comprises steel, tungsten, lead, copper, nickel, tin, or combinations thereof.

29. The shot shell of claim 21, wherein the reactive material comprises tungsten, tantalum, nickel, hafnium, aluminum, zirconium, or combinations thereof, a diglycidyl ether of bisphenol A, a diglycidyl ether of bisphenol F, or combinations thereof, and at least one inorganic oxidizer.

30. The shot shell of claim 21, wherein the reactive material comprises tantalum and a fluorinated polymer of perfluoropolyether.

31. The shot shell of claim 21, wherein the at least one fuel comprises zirconium, aluminum, nickel, hafnium, tungsten, or combinations thereof.

32. The shot shell of claim 31, further comprising at least one inorganic oxidizer selected from the group consisting of cupric oxide and potassium perchlorate.

33. The shot shell of claim 21, wherein the reactive material comprises aluminum, cupric oxide, and perfluorosuccinyl polyether di-alcohol.

34. The shot shell of claim 21, wherein the reactive material comprises zirconium, cupric oxide, and perfluorosuccinyl polyether di-alcohol.

35. The shot shell of claim 21, wherein the reactive material comprises nickel, cupric oxide, and perfluorosuccinyl polyether di-alcohol.

36. The shot shell of claim 21, wherein the reactive material comprises hafnium and perfluorosuccinyl polyether di-alcohol.

37. The shot shell of claim 36, wherein the reactive material further comprises aluminum.

38. The shot shell of claim 36, wherein the reactive material further comprises potassium perchlorate.

39. The shot shell of claim 21, wherein the reactive material comprises zirconium and perfluorosuccinyl polyether di-alcohol.

40. The shot shell of claim 21, wherein the reactive material comprises tungsten, zirconium, potassium perchlorate, and perfluorosuccinyl polyether di-alcohol.

41. A method of producing a shot shell, comprising:

producing a reactive material comprising a composition from one of the following compositions;

at least one fuel, an epoxy resin selected from the group consisting of a diglycidyl ether of bisphenol A and a diglycidyl ether of bisphenol F, and at least one inorganic oxidizer;

at least one terpolymer of tetrafluoroethylene, hexafluoropropylene, and vinylidene fluoride and osmium;

at least one fuel and a fluorinated polymer of perfluoropolyether;

at least one fuel and perfluorosuccinyl polyether di-alcohol;

at least one fuel, an epoxy resin selected from the group consisting of a diglycidyl ether of bisphenol A and a diglycidyl ether of bisphenol F, and glass powder or glass fibers; and

at least two fuels and a diglycidyl ether of bisphenol A or a diglycidyl ether of bisphenol F; and

forming the reactive material into at least a portion of at least one of a slug and shot.

42. The method of claim 41, further comprising loading the at least one of the slug and the shot at least partially into a case.

43. A composition for a reactive material comprising tungsten, nickel, aluminum, an epoxy resin selected from the group consisting of a diglycidyl ether of bisphenol A and a diglycidyl ether of bisphenol F, and glass powder or glass fibers.

44. A composition for a reactive material comprising at least two metallic fuels and a diglycidyl ether of bisphenol A or a diglycidyl ether of bisphenol F.

45. The composition of claim 44, wherein the at least two metallic fuels comprise at least two of nickel, aluminum, and tungsten.