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首页> 外文期刊>Applied radiation and isotopes: including data, instrumentation and methods for use in agriculture, industry and medicine >A comprehensive study on the laser decontamination of surfaces contaminated with Cs(+) ion.
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A comprehensive study on the laser decontamination of surfaces contaminated with Cs(+) ion.

机译:CS(+)离子污染表面激光净化的综合研究。

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A Q-switched Nd:YAG laser with a 1064nm, 450mJ/pulse and 14ns pulse width was employed to study the decontamination characteristics of Type 304 stainless steel specimens contaminated with Cs(+) ions. The surrogate specimens were artificially contaminated with two kinds of premixed solutions. The laser was irradiated for 10, 20 and 100 shots. The results were investigated using a SEM, EPMA and XPS. For the surrogate specimen treated with the CsCl+KCl solution, more than 98% of the Cs(+) ions were removed during an irradiation of 100 shots. The specimen treated with the CsCl+KCl solution was easier to decontaminate. By comparing the ratio of the O(1s) intensity to the Fe(2p) intensity of the XPS spectra, it was found that the oxygen atoms that had evolved from the specimen treated with the CsNO(3)+KNO(3) solution had decreased the laser's decontamination performance.
机译:使用1064nm,450mJ /脉冲和14ns脉冲宽度的Q开关Nd:YAG激光器研究与Cs(+)离子污染的304型不锈钢样品的去污特性。 替代品标本人为污染两种预混合的解决方案。 激光照射10,20和100次。 使用SEM,EPMA和XPS研究结果。 对于用CSCl + KCl溶液处理的替代品标本,在辐照100次射击期间除去超过98%的Cs(+)离子。 用CSCl + KCl溶液处理的样品更容易净化。 通过比较XPS光谱的Fe(2P)强度的O(1S)强度与Fe(2P)强度的比率,发现从用CSNO(3)+ KNO(3)溶液处理的样品中出现的氧原子 降低了激光的去污性能。

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