| Autor: |
Gilbert, Andrew J., McDonald, Benjamin S., Kasparek, Dustin M., Wittman, Richard S., Gillis, Wesley C., Clark, Richard A., Brayfindley, Eva, Sweet, Lucas E. |
| Předmět: |
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| Zdroj: |
Journal of Applied Physics; 7/14/2023, Vol. 134 Issue 2, p1-11, 11p |
| Abstrakt: |
X-ray radiography offers the ability to noninvasively inspect the internal structure and material composition of objects. Dual-energy radiography allows material discrimination but is limited in quantitative material measurements due to the broad nature of the interrogating x-ray spectrum. Spectral radiography detectors provide an observation of not just the number of x rays that are transmitted through a sample but also the spectrum. Here, experimental validations of a method to use spectral x-ray radiography to accurately quantify the uranium mass in a powder are presented. An accurate system response model was developed, which includes a model of the incident x-ray source spectrum and a pixel-wise detector response that describes how the transmitted x rays were observed. Further, a calibration to account for the effect of partial x-ray attenuation was developed. The method is demonstrated to be capable of estimating the uranium mass in a variety of uranium oxide powders to a bias of − 0.01 ± 0.62 %. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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