초록 ▼

Methods of making high specific gravity shotgun shot and small arms projectiles from melts containing primarily tungsten and iron, and particularly including specific melting temperature depressants and using specific quenching both compositions are described and specific conditions and materials an

Methods of making high specific gravity shotgun shot and small arms projectiles from melts containing primarily tungsten and iron, and particularly including specific melting temperature depressants and using specific quenching both compositions are described and specific conditions and materials and methods for making high specific gravity shot pellets and projectiles by powder metallurgical techniques are described.

대표청구항 ▼

[ What is claimed is:] [1.] A shot pellet or small arms projectile having a specific gravity of at least about 10 gm/cc comprising 40% by weight to 65% by weight Tungsten and from 60% by weight to 35% by weight iron prepared by sintering tungsten containing powders having median particle sizes of 15

[ What is claimed is:] [1.] A shot pellet or small arms projectile having a specific gravity of at least about 10 gm/cc comprising 40% by weight to 65% by weight Tungsten and from 60% by weight to 35% by weight iron prepared by sintering tungsten containing powders having median particle sizes of 150 microns or less at a temperature sufficient to form a material consisting primarily of an intermetallic compound of tungsten and iron.