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What is Iridium 192 Radiation

Iridium 192 (symbol 192Ir) is a radioactive isotope of iridium, with a half-life of 73.83 days. It decays by emitting beta (β) particles and gamma (γ) radiation. About 96% of 192Ir decays occur via emission of β and γ radiation, leading to 192Pt. Iridium 192 is also a strong gamma ray emitter. There are seven principal energy packets produced during its disintegration process ranging from just over 0.2 to about 0.6 MeV. Iridium-192 is commonly used as a gamma ray source in industrial radiography to locate flaws in metal components. It is also used in radiotherapyas a radiation source, in particular in brachytherapy.

The Applications of Iridium 192 Tungsten Radiation Shielding

Due to its high density, excellent absorption behaviour against radiation and environmental friendly characteristics, tungsten alloy can be widely used to produce Iridium 192 tungsten radiation shielding.

Iridium 192 tungsten radiation shielding can be used to storage Iridium 192 radioactive source, that can be used in Iridium 192 gamma detection machine. Since the gamma-ray energy of Iridium 192 is moderate with high specific activity of radioactive sources, and under the common thickness, Iridium 192 gamma detection machine has a high detection sensitivity.This detector does not need a power supply, does not need cooling water, exposure to small size, very suitable for on-site and field application. Iridium 192 tungsten radiation shielding can be mainly used for oil pipelines, wells and other critical structural flaw in the, as well as radiation therapy for cancer, and pressure vessel weld inspection such as spherical tanks.

The Advantages of Iridium 192 Tungsten Radiation Shielding

Compared to traditional radiation shielding materials such as lead and boron carbide, tungsten alloy radiation bricks provide excellent density with small capacity. At the same tungsten alloy radiation brick with weights high density alloy can provide the same energy absorption as lead using 1/3 less material.

During design of shielding, tungsten alloy radiation shielding is calculated according to requirements of shield to abate the multiple shielding materials' thickness.
Formula: K=e^{0.693 d / △1/2}
K: Shield weakened multiple
△ 1/2: The tungsten alloy radiation shielding material of the half-value layer values

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