Tungsten alloy X-ray shielding part, as its name suggests, is a tungsten alloy part with X-ray shielding performance. The radiation shielding performance of a tungsten alloy part is better than that of a lead part. Studies have shown that under the same thickness, the X-ray shielding ability and γ-ray shielding ability of tungsten alloy shielding parts are better than those of lead parts.
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Also, tungsten alloy is non-toxic while lead is toxic. And tungsten alloy has many other merits including high hardness, high strength, corrosion resistance, and so on. Therefore, in many medical applications, tungsten alloy has replaced the traditional shielding material lead, such as, tungsten alloy multi-leaf collimator on medical linear accelerator, and tungsten alloy collimator on radiotherapy machine. Tungsten alloy X-ray shielding part can be formed by pressing metal powder and obtained by liquid phase sintering. Wherein, proper sintering curve is crucial to the density of tungsten alloy, avoiding severe deformation and large internal defects.
