A manufacturing process for articles that are formed from powders
containing tungsten and at least one binder. The manufacturing process
includes compacting the mixture of powders under a first pressure to yield
a desired intermediate structure, then reshaping the structure under a
second pressure that is lower than the first pressure to yield the desired
article. The binder utilized in the manufacturing process may include a
metallic binder or a non-metallic binder, or both. The process is
particularly suited for the manufacture of lead substitutes, including
firearms projectiles, such as a bullet or shot. Such projectiles may be
ferromagnetic or non-ferromagnetic, frangible or infrangible, and jacketed
or unjacketed.
