发明授权
US5527376A Composite shot 失效
复合射击

Composite shot
摘要:
Shot pellet or small arms projectile comprises 40-60% by weight of tungsten and 60-40% by weight of iron formed by sintering tungsten containing powders having median particle sizes below 6 microns to form a material consisting primary of an intermetallic compound of tungsten and iron or of a metal matrix of iron surrounding tungsten containing particles.
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