Tungsten Oxide Nanopowder Applied for Gamma Ray Shielding Material

Tungsten oxide nanopowder may be compounded with natural rubber to obtain a gamma ray shielding material with excellent mechanical properties and γ-ray shielding properties. You know, γ-rays have been widely used in nuclear facilities, aerospace, and radiomedicine fields, with short wavelengths and large energy, which have serious harm to the human body. Therefore, the shielding of γ-rays has received much attention. Traditional shielding materials, such as lead-containing plates and glass are heavy with high mobility and low shielding rates, which can no longer meet people's needs. Therefore, it is urgent to develop low-toxic, lightweight and efficient gamma ray shielding materials.

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According to the experts, bismuth and tungsten are heavy metal elements that are low-toxic and easy to process, so they have a wide range of applications in radiation shielding. As there are weak areas of single heavy element for the absorption of rays, the experts studied the compounding of nano-oxides and salts containing bismuth and tungsten with natural rubber to produce rubber-based composites with excellent mechanical properties and gamma ray shielding properties. Wherein, tungsten oxide nanopowder, as one of the most important shielding functional particles of gamma ray shielding material, has been paid much attention.

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