Abstract: A primer composition that includes stabilized, encapsulated red phosphorus, at least one oxidizer, at least one secondary explosive composition, at least one light metal, and at least one acid resistant binder. The stabilized, encapsulated red phosphorus may include particles of red phosphorus, a metal oxide coating, and a polymer layer. The metal oxide coating may be a coating of aluminum hydroxide, bismuth hydroxide, cadmium hydroxide, cerium hydroxide, chromium hydroxide, germanium hydroxide, magnesium hydroxide, manganese hydroxide, niobium hydroxide, silicon hydroxide, tin hydroxide, titanium hydroxide, zinc hydroxide, zirconium hydroxide, or mixtures thereof. The polymer layer may be a layer of epoxy resin, melamine resin, phenol formaldehyde resin, polyurethane resin, or mixtures thereof. A percussion cap primer that includes the primer composition, a tertiary explosive composition, and a cup is also disclosed, as are ordnance devices including the primer composition.

Abstract: A primer composition that includes red phosphorus having an acid scavenger and a polymer thereon. The primer composition includes at least one other component that is substantially free of lead. The other component is at least one oxidizer, or at least one oxidizer and at least one of at least one secondary explosive composition and at least one energetic binder. The primer composition optionally includes at least one element having an ionic charge to ionic radius ratio of 4 or of 8, such as magnesium, zirconium, aluminum, silicon, titanium, tungsten, alloys thereof, and combinations thereof. The red phosphorus and the at least one oxidizer are present in the primer composition at approximately stoichiometric amounts. An ordnance element including the primer composition is also disclosed.

Abstract: A primer composition that includes stabilized, encapsulated red phosphorus, at least one oxidizer, at least one secondary explosive composition, at least one light metal, and at least one acid resistant binder. The stabilized, encapsulated red phosphorus may include particles of red phosphorus, a metal oxide coating, and a polymer layer. The metal oxide coating may be a coating of aluminum hydroxide, bismuth hydroxide, cadmium hydroxide, cerium hydroxide, chromium hydroxide, germanium hydroxide, magnesium hydroxide, manganese hydroxide, niobium hydroxide, silicon hydroxide, tin hydroxide, titanium hydroxide, zinc hydroxide, zirconium hydroxide, or mixtures thereof. The polymer layer may be a layer of epoxy resin, melamine resin, phenol formaldehyde resin, polyurethane resin, or mixtures thereof. A percussion cap primer that includes the primer composition, a tertiary explosive composition, and a cup is also disclosed, as are ordnance devices including the primer composition.

Abstract: A primer composition that includes stabilized, encapsulated red phosphorus, at least one oxidizer, at least one secondary explosive composition, at least one light metal, and at least one acid resistant binder. The stabilized, encapsulated red phosphorus may include particles of red phosphorus, a metal oxide coating, and a polymer layer. The metal oxide coating may be a coating of aluminum hydroxide, bismuth hydroxide, cadmium hydroxide, cerium hydroxide, chromium hydroxide, germanium hydroxide, magnesium hydroxide, manganese hydroxide, niobium hydroxide, silicon hydroxide, tin hydroxide, titanium hydroxide, zinc hydroxide, zirconium hydroxide, or mixtures thereof. The polymer layer may be a layer of epoxy resin, melamine resin, phenol formaldehyde resin, polyurethane resin, or mixtures thereof. A percussion cap primer that includes the primer composition, a tertiary explosive composition, and a cup is also disclosed, as are ordnance devices including the primer composition.

Abstract: A thermobaric self-sustaining reactive composition, method and device for defeating chemical or biological agents includes a first material including at least one of a Group IV or Group V metal; a second material reactive with the first material in an exothermic intermetallic reaction to generate heat sufficient to vaporize a third material; and the third material that when vaporized combusts with air producing an elevated temperature sufficient to destroy the chemical and biological agents. The device includes a container having a center core explosive driver with the self-sustaining reactive composition surrounding the center core explosive driver.

Abstract: This invention pertains to an article that emits infrared radiation for a period of about 15 minutes or more, depending on the size and shape, and to a process for preparing the article. The article includes, in a preferred embodiment, a combustible aerogel or other nanocellular substrate with iron metal impregnant formed by thermal decomposition of iron pentacarbonyl deposited on and in the substrate in an amount of at least about 5% or at least about 20% of the weight of the substrate, depending on the substrate. The impregnant reacts exothermically on contact with air or an oxygen-containing gas and imparts sufficient energy to the substrate to cause it to burn for about 30 seconds to about 30 minutes depending on size and shape, thereby emitting infrared radiation. The process pertains to deposition of the impregnant on and in the substrate by flowing a carrier gas saturated with the impregnant precursor over and through the substrate.

Abstract: A material for friction components made by a process including the steps of providing a first powder consisting of grains of a comparatively harder material with a comparatively higher coefficient of friction and an average grain size of from 60 to 100 microns, and a second powder consisting of grains of comparatively softer material with a comparatively lower coefficient of friction and an average grain size of from 60 to 100 microns; mixing the first powder and the second powder to form a powder mixture having a total volume; and subjecting the powder mixture to a pressure and temperature sufficient for the grains of the first powder to be intermixed with the comparatively softer material of the second powder so that the comparatively harder material substantially fills an intergranular space between the grains of the first powder to form the material for the friction components, the comparatively harder material occupying from 1/3 to 4/5 of the total volume of the powder mixture.

Abstract: A method of manufacturing a flat form from blended metallic powder including a major constituent by weight having a high melting point and a minor constituent by weiht having a substantially lower melting point includes selection of the powder to provide continuous and reproducible compacted flat forms. Powder is selected on the basis of compressibility and flowability. The selected powder is compacted to a flat green form and then liquid phase sintered. The flat form may be stacked to provide a flat article of a desired thickness which will result in a monolithic or composite cross section when subsequently sintered. Liquid phase sintering is carried out in a manner designed to avoid undesirable embrittlement and to provide a uniform microstructure in the fully consolidated article. The process is especially useful in the production of tungsten heavy alloy plate.

Abstract: A method for disposing of a pyrotechnic composition comprised of red phosrus, manganese dioxide, magnesium, zinc oxide and linseed oil, with at least fifty percent of the composition being red phosphorus. The composition is burned in a first enclosed chamber and the products of combustion are drawn into a second enclosed chamber and burned. The product gases from the second enclosed chamber are sprayed with water to form phosphoric acid which is collected. The ashes in the first enclosed chamber are sprayed with water to produce phosphine which is burned in the first enclosed chamber and the residue is an inert ash.

Abstract: A smoke producing composition comprised of about 50 percent of phosphorus, etween 37 and 44 percent of calcium sulfate, between 3 and 10 percent of boron and about 3 percent of a binder.

Abstract: Metal-penetrating incendiary compositions comprising particulate magnesium and fluoroalkyl phosphate esters of 5 to 11 carbon atoms, optionally containing additives such as ferric oxide, silicon and potassium perchlorate. The compositions can be prepared in paste form, cast and cured at an elevated temperature.

Abstract: The composition of this invention contains red phosphorus, magnesium, sod nitrate, and an epoxy binder. It can optionally contain silica to aid in processing. The magnesium is used to sustain the smoke produced by the red phosphorus for a period greater than 5 minutes for screening of military operations. Further, the composition does not exhibit any increased sensitivity to impact or friction over traditional smoke-producing compositions. This is the case even though the composition contains a high-level of red phosphorus.

Abstract: In general, this invention relates to smoke-producing pellets for use in a mortar shell.More particularly, this invention relates to an improved process of making smoke-producing pellets for the 81 mm cartridge of the XM819 mortar shell.