New Tungsten Shielding Manufacturing Process Cuts Costs

The denser the material, the better it is able to protect from radiation. That is why heavy elements absorb X-rays and gamma radiation particularly well. Due to the density of tungsten is 60 percent higher than lead, the thinner layers of tungsten are able to provide reliable shielding against radiation. Tungsten alloy is particularly suitable as a shielding material. It consists of tungsten and a small proportion of nickel-iron. Like tungsten, the material has excellent shielding properties. However, it is also considerably more ductile than tungsten and can therefore be machined better.

Tungsten alloy is usually pressed, sintered and subjected to various forming operations in order to produce sheets or ribbons. During the manufacture of thin sheets or foils, the material is rolled several times. This makes production expensive. A new manufacturing process of tungsten shielding specifically for foils and thin sheets, the materials expert has been able to reduce production costs significantly. And the new manufacturing process has another advantage. The material's microstructure is isotropic - i.e. it has no characteristic orientation. As a result, tungsten sheets can be bended particularly well to form complex shapes.

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