| 王建,邹树梁*.钨和铅作为γ射线屏蔽材料的性能对比研究[J].南华大学学报(自然科学版),2011,25(4):19~22.[WANG Jian1,ZOU Shu-liang2*.Comparative Study of Tungsten and Lead as GammaRay Shielding Material[J].Journal of University of South China(Science and Technology),2011,25(4):19~22.] |
| 钨和铅作为γ射线屏蔽材料的性能对比研究 |
| Comparative Study of Tungsten and Lead as GammaRay Shielding Material |
| 投稿时间：2011-10-19 |
| DOI： |
| 中文关键词: 钨 钨镍合金 铅材料 物理特性 屏蔽模型 屏蔽能力 |
| 英文关键词:tungsten tungsten nickel alloy lead material physical properties shielding model shielding capability |
| 基金项目:国防基础科研计划基金资助项目(B3720110001) |
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| 中文摘要: |
| 首先通过对钨和铅的物理特性、价格、环保等方面特性进行了对比.当光子的能量为0.1、0.2、0.5、1和1.25 MeV时，通过理论计算得出钨镍合金和铅在γ射线衰减10倍的情况下，分别所需两种物质的厚度，并作出对比图，其中钨镍合金是一种含钨量超过90%的钨基高比重合金，它是钨在工程应用中的主要存在形式.最后基于MCNP程序建立了常用的屏蔽模型，模拟计算结果显示理论计算的厚度都能够实现有效屏蔽.结果表明：钨作为新型的屏蔽材料具有很多的优势，对γ射线的屏蔽能力远高于铅. |
| 英文摘要: |
| This article firstly compares the tungsten and leads physical properties,price and environmental performance,then calculates the thickness of tungsten and lead with the gamma ray 10% transmission when the photon energy are 0.1 MeV,0.2 MeV,0.5,1 MeV and 1.25 MeV,and makes a comparison chart.Finally,it establishes a commonly used shielding model,through which to validate whether the thickness of theoretical calculation can achieve an effective shielding effect by MCNP program.The results showes that tungsten as a new type of shielding material has a lot of advantages,which shielding ability is far higher than the lead.Thus it provides the reference to choose the suitable shielding ma-terials in special occasions. |
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