Tungsten Alloy Beta Radiation Source Shielding

Tungsten alloy beta radiation source shielding can be used for shielding beta radiation released from the use or preparation of beta radiation source with its great radiation shielding ability. Beta radiation source , also referred to as beta source, is a radiation source with the main characteristics as emitting beta particle of it, that can be used to test the thickness and density of a item(such as a paper), and conduct the clinical surface treatment. It can be prepared by radionuclide, such as  T, 14C, 22Na, 58Co, 63Ni, 85Kr, 32p, 90Sr, 90y and 147pm, etc. when radionuclide decays, the nucleus would be transformed into another nucleus by emitting electrons and neutrinos, and releasing large amounts of beta particles. Beta particles can be used for treating health conditions such as eye and bone cancer and are also used as tracers.

Beta particles are a type of ionizing radiation which can produce radiation. Being composed of charged particles, beta radiation is more strongly ionizing than gamma radiation, and more strongly penetrating than alpha radiation. Beta radiation is able to penetrate skin to cause radioactive damage. Once it into the human body, it can change the structure of struck molecules and chemical equilibrium of the cells. In most cases, such change can be considered to be damage, with results possibly as severe as cancer or death. If the struck molecule is DNA, it can cause spontaneous mutation, fetal malformation, congenital leukemia. Therefore, it is need to use a tungsten alloy beta radiation source shielding to shield and absorb the beta radiation, in order to effectively prevent people using or preparing the beta radiation source from radiation damage.

Tungsten alloy beta radiation source shielding is made of tungsten alloy. It has a great radiation shielding effectiveness, so that can shield and absorb radiation in a high degree. Tungsten alloy is a tungsten-based alloy joining other elements, for its high density, high melting point, high temperature strength, good creep resistance and good electrical conductivity, it is widely used in a lot of fields. Compared to traditional radiation shielding materials such as lead and boron carbide, tungsten alloy radiation shielding provide excellent density with small capacity. At the same weights high density alloy can provide the same energy absorption as lead using 1/3 less material. Thus, tungsten alloy shielding is the best choice.

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