Properties of Military Tungsten Alloy

Tungsten heavy alloys are consisted of W-Ni- Fe or W-Ni- Cu or even W-Ni-Cu-Fe, some tungsten alloy is added Co.Mo.Cr and so on.The most important property for tungsten alloy cube is that small volume with high density, which means it could be applied in some fields need the little but heavy parts, especially for military defense, projectiles it play very important role. Heavy-metal tungsten alloys were identified as likely replacements, but these materials were not tested early in the munitions development process for adverse health effects as embedded fragments.Main Application of tungsten alloy: For making rotors of dynamic inertial materials, the stabilizers of aircraft wings, shielding materials for radioactive materials, containers in hospitals and for radioactive isotope (Cobalt 60), and for material of armor piercing bullets and moulds or the military use, etc.

The military tungsten alloy block part adopts the technology of metal injection molding which near net shape technology and the processing methods compared with conventional superiority is a manufacturing quality precision component. Directly manufacturing small sized part about 0.1g to 200g with complicated geometric shapes, compared to investment casting and powder metallurgy, the metal injection molding parts’ tolerance can be held to +/-0.1~0.5%, having high relative density 95 percent to 99 percent and more consistent microstructure and higher mechanical property. Without or only minute quantity of machine work needed, material use rate as high as 97%, part dimension being of small manufacture tolerance, and repeatability, adjustable material composition, fine parts surface smoothness, improvable strength and wearing resistance by heat treatment.


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