Tungsten Shielding for Radiation Exposure

The effective way to reduce exposure to radiation is to place something between the radiographer and the source of radiation, and study shows that tungsten alloy would be the most suitable material. In general, the more denser the material the more shielding it will provide, and tungsten alloy did. The most effective shielding could also be provided by depleted uranium metal. But it is toxic, and do damage to the environment. However, as tungsten alloy is environmental-friendly, it could be much favorable than depleted uranium metal. For more details, you could visit tungsten shielding for radiation exposure.

Distance for Radiation Protection

Increasing distance from the source of radiation will reduce the amount of radiation received. As radiation travels from the source, it spreads out becoming less intense. This is analogous to standing near a fire. The closer a person stands to the fire, the more intense the heat feels from the fire. This phenomenon can be expressed by an equation known as the inverse square law, which states that as the radiation travels out from the source, the dosage decreases inversely with the square of the distance. Tungsten alloy radiation shielding is usually used for radiation protection, for more details, you could visit distance for tungsten alloy radiation protection.

How to Control Radiation Exposure?

The three basic ways of controlling exposure to harmful radiation are:

1) limiting the time spent near a source of radiation,

2) increasing the distance away from the source,

3) and using shielding to stop or reduce the level of radiation.

The radiation dose is directly proportional to the time spent in the radiation. Therefore, a person should not stay near a source of radiation any longer than necessary. If a survey meter reads 4 mR/h at a particular location, a total dose of 4mr will be received if a person remains at that location for one hour. In a two hour span of time, a dose of 8 mR would be received. The following equation can be used to make a simple calculation to determine the dose that will be or has been received in a radiation area.

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Two Types of Radiation Exposure

There is a concern for two types of exposure: acute and chronic.

An acute exposure is a single accidental exposure to a high dose of radiation during a short period of time. An acute exposure has the potential for producing both nonstochastic and stochastic effects. Chronic exposure, which is also sometimes called "continuous exposure," is long-term, low level overexposure. Chronic exposure may result in stochastic health effects and is likely to be the result of improper or inadequate protective measures.

Tungsten alloy material is usually used for radiation protection, if you need more information, you could visit: http://www.tungsten-alloy.com/tungsten-alloy-radiation-shielding.html