High density non-toxic composites comprising tungsten,...

Details High density non-toxic composites comprising tungsten,... High density non-toxic composites comprising tungsten,...

C - Chemistry, Metallurgy

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C22C 27/04 (2006.01) B22F 1/00 (2006.01) C22C 1/04 (2006.01) C22C 32/00 (2006.01) C22C 49/10 (2006.01) F42B 7/04 (2006.01) F42B 12/74 (2006.01)

Patent

CA 2462976

Tungsten/polymer composites comprising tungsten powder, another metal powder having a high packing density, and organic binder have high density, good processibility and good malleability. Preferably, the other metal is a stainless steel, iron, ferrous alloy, or bronze. The organic binder remains part of the finished article after processing and becomes part of he matrix for holding the composite together. Such composites are useful as lead replacements, particularly in the manufacture of shot.

L'invention concerne des composites tungstène/polymère comprenant de la poudre de tungstène, une autre poudre métallique présentant une densité de tassement élevée, ainsi qu'un liant organique présentant une densité élevée, une bonne faculté de mise en oeuvre et une bonne malléabilité. De tels composites peuvent servir de substituts du plomb, en particulier dans la production de grenaille.

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