富含BaSO4和Bi2O3颗粒的硅橡胶屏蔽材料复合材料辐射屏蔽性能评价

Q2 Engineering

Materials Research Innovations Pub Date : 2022-11-01 DOI:10.1080/14328917.2022.2141953

Nutthapong Moonkum, C. Pilapong, Krai Daowtak, Gunjanaporn Tochaikul

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引用次数: 6

摘要

在放射学中，辐射屏蔽对于保护非常重要，特别是诊断辐射，如诊断x射线，因为辐射暴露会损伤细胞DNA。目前，铅是最常用的辐射屏蔽材料，但其毒性对环境造成危害。本研究旨在研究一种无铅辐射屏蔽材料，并对其辐射防护效果进行评价。研究了硅橡胶与不同比例的BaSO4和Bi2O3组成的屏蔽材料对一次辐射和二次辐射的吸收性能。结果表明:70% BaSO4和Bi2O3的屏蔽材料能够降低120 kVp x射线的辐射剂量，对一次辐射和二次辐射的吸收性能分别为90.19、94.87%和92.72、97.48%。此外，掺入BaSO4和Bi2O3的硅橡胶屏蔽材料具有环保、柔韧性好，在减少诊断x射线暴露方面具有良好的屏蔽性能。

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Evaluation of silicone rubber shielding material composites enriched with BaSO4 and Bi2O3 particles for radiation shielding properties

ABSTRACT In radiology, radiation shielding is important for protection especially with diagnostic radiation, such as diagnostic X-ray, because radiation exposure can damage cellular DNA. Currently, lead is the most common radiation shielding but it poses environmental hazards due to its toxicity. This research aims to study a non-lead radiation shielding and to evaluate its effectiveness of radiation protection. We studied radiation absorption properties from primary and secondary radiations from shielding composed of silicone rubber and BaSO4 and Bi2O3 in different proportions. The results showed that the shielding material at 70% BaSO4 and Bi2O3 has the ability to reduce radiation doses from 120 kVp X-rays and has absorption properties of 90.19, 94.87% in primary and 92.72, 97.48% in secondary radiation. In addition, the silicone rubber shielding materials mixed with BaSO4 and Bi2O3 are environment-friendly, flexible and have great shielding performance in reducing diagnostic X-ray exposure.

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来源期刊

Materials Research Innovations 工程技术-材料科学：综合

CiteScore

5.20

自引率

0.00%

发文量

审稿时长

2.8 months

期刊介绍： Materials Research Innovations covers all areas of materials research with a particular interest in synthesis, processing, and properties from the nanoscale to the microscale to the bulk. Coverage includes all classes of material – ceramics, metals, and polymers; semiconductors and other functional materials; organic and inorganic materials – alone or in combination as composites. Innovation in composition and processing to impart special properties to bulk materials and coatings, and for innovative applications in technology, represents a strong focus. The journal attempts to balance enduring themes of science and engineering with the innovation provided by such areas of research activity.