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首页> 外文会议>International Conference on Advances in Destructive and Non-Destructive Analysis for Environmental Monitoring and Nuclear Forensics; 20021021-20021023; Karlsruhe; DE >THE CONCEPT OF A 'MICROSTRUCTURAL FINGERPRINT' FOR THE CHARACTERIZATION OF SAMPLES IN NUCLEAR FORENSIC SCIENCE
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THE CONCEPT OF A 'MICROSTRUCTURAL FINGERPRINT' FOR THE CHARACTERIZATION OF SAMPLES IN NUCLEAR FORENSIC SCIENCE

机译：核法医学样品表征的“微结构指纹”概念

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摘要

In the examination of unknown specimens of nuclear materials, the primary parameter of importance is the 'isotopic fingerprint' of the sample, mainly the ratios of the isotopes of uranium and plutonium that are present. In some cases, however, where no clear isotopic signature is found or where a mixture of materials is present, the isotopic fingerprint alone is not sufficient for a unique identification. In this paper, the concept of a 'microstructural fingerprint' of a sample is proposed and developed. It is complementary to the isotopic fingerprint for characterization of materials under investigation in the field of nuclear forensic science. The proposal combines scanning electron microscopy (SEM), transmission electron microscopy (TEM) and energy dispersive X ray analysis (EDX) to define the microstructure of a suspect sample - a combination of techniques that has not been used here
机译：在检查未知的核材料样本时，重要的主要参数是样本的“同位素指纹”，主要是存在的铀和p同位素的比率。但是，在某些情况下，如果找不到清晰的同位素标记或存在多种物质，仅同位素指纹不足以进行唯一识别。在本文中，提出并发展了样品“微结构指纹”的概念。它与同位素指纹图谱互补，用于表征核法证科学领域中正在研究的材料。该提案结合了扫描电子显微镜（SEM），透射电子显微镜（TEM）和能量色散X射线分析（EDX）来定义可疑样品的微观结构-此处未使用的技术组合

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