Tungsten-containing articles and methods for forming the same

Details Tungsten-containing articles and methods for forming the same Tungsten-containing articles and methods for forming the same

F - Mech Eng,Light,Heat,Weapons

42

B

F42B 8/14 (2006.01) B22F 1/00 (2006.01) F42B 12/72 (2006.01) F42B 12/74 (2006.01)

Patent

CA 2428967

Articles formed from powders containing tungsten and at least one binder. In some embodiments, the article contains at least one metallic binder. In some embodiments, the article contains at least one non-metallic binder, such as a polymeric binder. In some embodiments, the article contains both a metallic binder and a non-metallic binder. In some embodiments the article is a firearms projectile, such as a bullet or shot, which may be ferromagnetic or non-ferromagnetic, which may be frangible or infrangible, and which may be jacketed or unjacketed. In some embodiments, the article is a radiation shield, and in other embodiments, the article is a weight or foundry article. In some embodiments, the article has a density in the range of approximately 8 g/cc and approximately 15 g/cc.

L'invention se rapporte à des articles fabriqués à partir de poudres contenant du tungstène et au moins un liant. Dans certains modes de réalisation, l'article consiste en un projectile d'armes à feu. Le procédé de fabrication de l'article consiste à mélanger une/des poudre(s) métallique(s) avec un/des liant(s) afin de former un mélange (112), à placer le mélange dans une matrice/un moule (114), et à comprimer (116) la mélange dans la matrice/le moule afin d'obtenir un article fini (124).

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