A new technology for gamma shielding is already used as tungsten alloy material radiation protection. There is a research for special tungsten alloy material for gamma sources of Cesium 137, which is a lead-free radiation protective fabric in a form of a blanket created with nanotechnology. It could reduce emission from high energy gamma sources such as Cesium 137. Such material might be hidden beneath the silicon ceramic or inside of the cylindrical body of E-cat HT where the heaters are placed.
As its high density, good machinability, high hardness, excellent elongation, wear resistance, tungsten alloy material is more and more popular for gamma sources shielding and protection. For more details, you could visit http://www.tungsten-alloy.com/tungsten-alloy-radiation-shielding.html.
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