Filler for disintegrating projectile

Details Filler for disintegrating projectile Filler for disintegrating projectile

1987-06-03

1990-02-20

Rutledge, L. Dewayne

Specialized metallurgical processes, compositions for use therei

Compositions

Loose particulate mixture containing metal particles

86 10, F42B 522

Patent

active

049023462

ABSTRACT:
A filler for disintegrating projectiles for training ammunition composed essentially of a screened low carbon, unalloyed steel powder produced by atomizing a corresponding steel melt to form a steel powder, subsequently subjecting the powder to a reducing soft annealing treatment at a temperature of between about 900.degree. and 1050.degree. C., subjecting the annealed product to a comminuting (e.g., beating, impact and scrubbing) process followed by screening, wherein the comminuting process lasts longer than 60 minutes and the screened powder has a grain size below 0.315 mm, an uncompressed or apparent density of between 3.9 and about 4.6 g.multidot.cm.sup.-3, and is compressible in such a manner that the resulting density of a pressed body to be incorporated into the disintegrating projectile lies between about 6.5 and 7.15 g/cm.sup.3.

REFERENCES:
patent: 3951035 (1976-04-01), Dautzenberg et al.

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