Tungsten Alloy Shielding for Plasma Accelerator

Tungsten alloy shielding is necessary for plasma accelerator. Primary radiation is accelerated electron. Generally, electron beam which thickness is 1~2mm and shoots to target is focused and energy is also centralized. Primary radiation cannot damage to health when it locates at vacuum of accelerator. But as electron beam which is external application, it may damage to staffs for its high radiation strength.

Bremsstrahlung, caused by high energy electron beam bombarding to target interacts with X-ray, which energy is higher than 10MeV and accelerator parts. The process is called photon-neutron reaction and neutron caused during reaction is secondary radiation. Otherwise, some parts of accelerator may produce X-ray even most of its systems are not working.

Tungsten alloy shielding for plasma accelerator is used to protect staffs from radiation. Depending on heaviest density but small capacity, tungsten alloy material is more and more popular be used for making tungsten alloy shielding to protect body from plasma accelerator radiation. Compared with lead, tungsten alloy is much smaller but with heavier density, which is very helpful for high radiation absorption. It is more than 60% denser than lead, meanwhile, it has excellent machinability, good corrosion resistance. The most important thing is that, tungsten alloy is environment-friendly.



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