Pyrotechnic compositions of metal matrix with oxide dispersed therein

• US 3,325,316 A
• Filed: 03/29/1965
• Issued: 06/13/1967
• Est. Priority Date: 03/29/1965
• Status: Expired due to Term

• Current Assignee: Gilmour C. Macdonald
• Original Assignee: Gilmour C. Macdonald
• Inventors: Macdonald, Gilmour C.
• Application Number:
  US04/443,673
• Time in Patent Office: 806 Days
• US Class Current: 149/17
• CPC Class Codes: C06B 45/04 comprising solid particles dispersed in solid solution or matrix not used for explosives where the matrix consists essentially of nitrated carbohydrates or a low molecular organic explosive
• CPC Class Codes: C06C 15/00 Pyrophoric compositions; Flints chemical lighters C06C9/00; alloys in general C22C

Claims

1. A SOLID PYROTECHNIC COMPOSITION CONSISTING ESSENTIALLY OF 100 PARTS OF A LIGHT METAL SELECTED FORM THE GROUP CONSISTING OF ALUMINUM, MAGNESIUM AND ALLOYS THEREOF CONTAINING AT LEAST 25% BY WEIGHT OF SAID METAL, 3 TO 300 PARTS OF FINELY DIVIDED IRON OXIDE AND 1 TO 50 PARTS OF FINELY DIVIDED SILICON DIOXIDE, THE IRON OXIDED AND THE SILICON DIOXIDE BEING HOMOGENEOUSLY DISPERSED IN A MATRIX OF SAID LIGHT METAL, AND SAID COMPOSITION BEING CAPABLE OF BURNING IN AIR WITH PRODUCTION OF INTENSE HEAT, SAID COMPOSITION HAVING AN APPARENT VISCOSITY WHEN MELTED IN AN INERT STMOSPHERE AT A TEMPERATURE BETWEEN ABOUT 650 AND 1300*C. SUBSTANTIALLY GREATER THAN MOLTEN GROUP METAL AT THE SAME TEMPERATURE.