Armor piercing incendiary projectile

Patent metadata

Field	Value
Publication number	US-9702678-B1
Application number	US-201615072979-A
Country	US
Kind code	B1
Filing date	Mar 17, 2016
Priority date	Jan 29, 2013
Publication date	Jul 11, 2017
Grant date	Jul 11, 2017

Abstract

An improved armor piercing and pyrotechnic projectile for use in .50″ military caliber rounds. Such projectiles contain a core, jacket, a base and a hollow nose housing pyrotechnic mixtures composed of sodium periodate and magnalium. The improved projectiles exhibit increased luminosity, and are non-toxic, safer, and environmentally benign compared to current state-of-the-art projectiles.

First claim

What is claimed is:

1. An improved armor piercing incendiary projectile comprising;
a jacket having a tip, a base and a metal core, wherein the tip comprises a hollow nose having a pyrotechnic composition consisting essentially of sodium periodate, magnalium and a flow agent, wherein the sodium periodate is about 30 to about 50 weight percent of the composition, the magnalium is about 50 to about 70 weight percent of the composition, and the flow agent is an additional 0.01 to 0.05 of the total weight of the composition.

2. The projectile of claim 1 , wherein the magnalium is a chemical alloy of aluminum and magnesium at a ratio of about 1:1.

3. The projectile of claim 1 , wherein flow agent is calcium stearate or fumed silica.

Assignees

• Us Army
• Us Army

Inventors

• Moretti Jared D
• Sabatini Jesse J
• Chen Gary

Classifications

• F42B12/44 Primary

  of incendiary type (F42B12/46 takes precedence) · CPC title

• F42B12/40

  of target-marking, i.e. impact-indicating type (F42B12/48, {F42B12/50} take precedence) · CPC title

• F42B12/04

  of armour-piercing type · CPC title