Advantages For Tungsten Alloy Materials Preparing Radiation Shielding

Tungsten alloy is a kind of alloy, which based with tungsten and added some other elements. In metals, tungsten has the highest melting point, high temperature strength, good creep resistance, good thermal conductivity, good electrical conductivity and electron emission properties and large specific gravity. In addition to be greatly used in the manufacture of carbide alloy and additives of alloy, tungsten and its alloys are not only widely used in electronics, electric light industry, but also used in aerospace, casting, weaponry and other sectors for producing rocket nozzles, casting molds, penetrator, contacts, heating element, heat shields and so on. In addition, high-density tungsten alloy are often used to make the tungsten radiation shielding,which been used in many fields.

The studies have confirmed that the radiation shielding ability has a close relationship with the density of materials, the greater the density, the better the radiation shielding performance. In another words, higher density means better-ray absorption capacity and radiation shielding capability. Due to the high density of tungsten alloy than other materials, the tungsten alloy radiation shielding of γ-ray has better radiation shielding properties, thereby can reduce the volume of the shield without affecting the radiation shielding performance. The same volume of tungsten alloy radiation shielding will have better radiation shielding performance compared to lead.

Tungsten alloy combines high density (the density is 60% higher than lead), machinability, good corrosion resistance and high radiation absorption capacity(better than lead and steel), high strength, etc., so it can be seen that the tungsten alloy materials are the best raw materials to prepare radiation shielding.

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