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US 8,801,878 B1Granted
Lead-free pyrotechnic and primary explosive compositions containing metal iodates
AssigneeThe United States of America as represented by the Secretary of the Navy
InventorsCurtis E. Johnson, Kelvin T. Higa
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Abstract
A lead-free pyrotechnic and primary explosive compositions including metal iodates as an oxidizer in nanocomposite energetic compositions including metal powder fuel.
Claims10
An electrically activated primer composition, comprising:
- metal particles having a mean size less than about 200 nanometers selected from the group of metals consisting of aluminum, magnesium, titanium, boron, silicon, and zirconium;
- metal-iodate particles having a mean size less than about 500 nanometers selected from the group of metal-iodates consisting of AgIO3, Bi(IO3)3, Cu(IO3)2, Zn(IO3)2, Mn(IO3)2, Sr(IO3)2, Ca(IO3)2, KIO3, and NaIO3 present in approximately stoichiometric amount to react fully with said metal;
- and
- a sufficient amount of conductive material to enable ignition of the primer composition by ohmic heating.
1 more element
A percussion activated primer composition, consisting of:
- metal particles having a mean size less than about 200 nanometers selected from the group of metals consisting of aluminum, magnesium, titanium, boron, silicon, and zirconium;
- metal-iodate particles having a mean size less than about 500 nanometers selected from the group of metal-iodates consisting of AgIO3, Bi(IO3)3, Cu(IO3)2, Zn(IO3)2, Mn(IO3)2, Sr(IO3)2, Ca(IO3)2, KIO3, and NaIO3 present in approximately stoichiometric amount to react fully with said metal;
- a gas generating material, comprising a nitrogen containing organic fuel;
- and a binder material.
1 more element
Dependencies are inferred from the claim text.