Customized Tungsten Alloys 

The popular processing of preparing tungsten heavy alloys includes mixing the desired amount of elemental tungsten, iron, nickel, or copper powders, followed by cold pressing and liquid phase sintering to almost full density. The matrix tungsten alloy melts and takes some tungsten into solution during liquid phase processing, resulting in a microstructure through which large tungsten grains (20–60µm) are dispersed in the matrix alloy. The as-sintered material often is subjected to the mo mechanical processing by swaging and aging, which results in increased strength and hardness in the tungsten-heavy alloys. The majority of current uses for tungsten-heavy alloys are best satisfied with the W-Ni-Fe system. Tungsten alloys such as 93W-4.9Ni-2.lFe and 95W-4Ni-lFe represent common compositions. The addition of cobalt to a W-Ni-Fe alloy is a common approach for slight enhancement of both strength and ductility. The presence of cobalt within the tungsten alloys provides solid-solution strengthening of the binder and slightly enhanced tungsten-matrix interfacial strength. Cobalt additions of 5 to 15% of the nominal binder weight fraction are most common. Some photos of tungsten alloys from China tungsten.

Application 

The high specific gravity tungsten alloy has played an important role in weapon manufacturing with high density, high strength, high hardness (which is affectionately 3H alloy), and good ductility, conductivity, and thermal conductivity. Industrial, aerospace, and civil industries (such as the electrical industry, drilling industry, etc.) have been widely used, high proportion of tungsten alloy material has become a concern for dual-use alloy materials.

Specification

We devote deep process Customized shaped balance weight.

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