Tungsten Alloy Material for Shaped Charge Liners

The temperature of tungsten alloy material inside shaped charge liners rises from normal temperature to more than 1000℃ and strain rate reaches 1.0×10⁵s^-1. So, we can see that the shaping procedure of EFP (Explosively Formed Penetrator) is happening under the conditions of high temperature, high pressure and high strain rate. It is not any materials that can shape complete EFP. It has quite a high claims on the dynamic characteristics of materials under the condition of high temperature, high pressure and high strain rate. The ideal materials for shaped charge liners should have the properties of high melting temperature, high density, high elongation and dynamic strength, etc. Tungsten alloy material is ideal material for shape charged liners. Otherwise, engineering application also should considerate the cost and resources of material. Those materials which are important, high price and short resources are not easily utilized for a wide range.

Tungsten copper alloy shaped charge liners recombine metals which have different function so that can exert the complicated advantages of alloy. Compared with those single-metal shaped charge liners, tungsten copper alloy shaped charge liners have more reasonable transformation and absorption mechanism, more excellent penetration and lower cost. So it has wide prospect for development.

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