Tungsten Alloy Shielding Used For Radiation Technology
- Details
- Category: Tungsten Information
- Published on Wednesday, 11 May 2016 18:08
With the development and application of nuclear technology, radiation technology shows great potential in the medical, radiation processing, power generation, food security, industrial testing and other aspects. Radiation technology is a subject that is closely linked to the fields of high polymer materials, environmental science, biotechnology and medicine. It main uses radiation (such as gamma rays, X-rays, neutrons, etc.) emitted by radiation source to interact with matter to produce activated atoms and activated molecules which will react with matter both in both in physically and chemically, thereby improving the quality and performance of materials or leading to the degradation, polymerization and crosslinking modification of substances and preparation of new substances. The characteristics of radiation technology include high added value, low energy consumption and wide application, radiation technology is widely used in the modification of semiconductor and polymer, food preservation, and radiation sterilization of medical supplies and the like. Radiation technology can be categorized as radiation crosslinking, radiation curing, radiation vulcanization, radiation degradation, radiation grafted.
Radiation technology has brought radiological hazards while bringing the great facility to people. The largest long-term health risk of radiation is cancer. Radiation can destroy the mechanism in vivo which can prevent cancer, so that greatly increases the risk of cancer. Radiation can also enter the body through a variety of ways, causing internal radiation damage, leading to fatigue, dizziness, insomnia, skin redness, ulceration, bleeding, hair loss, leukemia, vomiting, diarrhea and other symptoms. In addition, radiation will increase aberration rate and hereditary disease incidence, to affect the health of future generations. Exposure to radiation will lead to genetic changes, once the DNA in reproductive cells are damaged, the new generation will inherit the altered gene of mother, thus increasing the risks of defects in the offspring. It is understood that the fetal embryos and fetuses are more sensitive to radiation, exposure to radiation before embryo implantation can increase the late fetal mortality rate; while in the case of exposure to radiation during organogenesis, the increased rates are elevated rate of fetal malformations and neonatal mortality.
Tungsten alloy shielding is widely used to absorb and shield radiation generated by the use of radiation technology. Experts have found that the radiation shielding capability of a material is closely related to its density, higher density means better shielding capability to shield and absorb the radiation. Since the tungsten alloy has a higher density compared with other radiation shielding materials (such as lead), tungsten alloy shielding exhibits better radiation shielding capability. Tungsten alloy shielding has high density also means that under the same shielding ability, tungsten alloy shielding is smaller and thinner.
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