Method for manufacturing a granular material for producing ignit

Details Method for manufacturing a granular material for producing ignit Method for manufacturing a granular material for producing ignit

1998-09-25

2000-02-29

Jordan, Charles T.

Explosive and thermic compositions or charges

Processes of making

264 34, 264 35, 264 36, D03D 2300, C06B 2100

Patent

active

060304731

ABSTRACT:
Surface reactors for propellants operate with a copper/tin alloy and convert unsaturated hydrocarbons at low concentration into tin organics that are extremely highly ignitable and therefore act as ignition nuclei in the combustion of propellants. However, it loses some of its effect when used to form ignition nuclei in propellants. This is improved by melting the granular material in an alloy made from tin with at least one solution-activating alloying constituent, and then quenching it in an oxidation-preventing medium of the granular material so as to produce a particle size of up to 3 mm diameter and a large surface area. The novel granular material has a substantially larger surface area than granular material previously used for this purpose. Its efficiency is thus higher than previously possible. The granular material is not subject to aging with regard to its action as a metallic reaction partner in propellants and fuels, as a result of which the efficiency of the granular material is wholly maintained during its entire lifetime.

REFERENCES:
patent: 4723993 (1988-02-01), Kopatz et al.
patent: 4761263 (1988-08-01), Politis et al.
patent: 5565710 (1996-10-01), Ochi et al.
patent: 5660773 (1997-08-01), Stangle et al.
patent: 5660774 (1997-08-01), Stangle et al.

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