Quantification of high temperature oxidation of U3O8 and UO2
2018年9月1日 · Crystallographic changes to UO 2 and α-U 3 O 8 were quantified using powder X-ray diffractometry (p-XRD). In total, 108 samples were analyzed to build the DOE model on …
不同温度下U3O8结构的XRD研究 - 道客巴巴
2013年8月19日 · 在 两 种相 结构 稳定 的温 度范 围内 ， Ua 08 的点 阵参数 随温度 的增加 呈现 出规 律性 变化 。 关 键 词 ：八 氧化 三铀 ；结构 ；X 射 线衍射 ；点阵参 数 中圈分类号 ：T …
Oxygen Isotopic Composition of U3O8 Synthesized From U Metal, …
2022年2月22日 · X-ray diffraction (XRD) was applied to determine the structural phase of the uranium oxides. XRD analyses (Rigaku, Ultima III) were conducted on samples weighing …
识别表面形态特征以区分由重铀酸铵和过氧化铀酰合成的 U3O8 混 …
使用粉末 x 射线衍射 (p-xrd) 验证每个样品的纯度，并收集扫描电子显微镜 (sem) 图像以识别独特的形态特征。 发现来自 ADU 和 UO4 的 U3O8 是独一无二的。 定性地说，这两种颗粒具有相 …
Quantifying Morphological Features of α-U3O8 with Image …
Five separate calcination temperatures were used to synthesize α-U 3 O 8, and each sample was characterized using powder X-ray diffraction (p-XRD) and scanning electron microscopy …
Powder XRD pattern of a sample of α-UO 3 that was allowed to sit …
Five separate calcination temperatures were used to synthesize α-U3O8 and each sample was characterized using powder X-ray diffraction (p-XRD) and Scanning Electron Microscopy (SEM).
p-XRD spectra comparison of α-U 3 O 8 from the UO 4
Download scientific diagram | p-XRD spectra comparison of α-U 3 O 8 from the UO 4 synthetic route. The spectrum representative of the unaged control is shown at the top of the graph, …
八氧化三铀和金属铀表层结构的XRD研究-学位-万方数据知识服务 …
摘要： 该论文利用X射线衍射(XRD)并结合Rieteld方法较系统地对金属铀和八氧化三铀(U<,3>O<,8>)在不同温度、压力条件下的表层氧化情况和结构变化进行了分析研究.主要的研 …
不同温度下U3O8结构的XRD研究 XRD STUDY OF U3O8 …
在大气环境及25～850℃条件下,用X射线衍射 (XRD)法研究了八氧化三铀 (U3O8)的结构变化情况。 在实验温度范围内发现,U3O8存在两种相结构,相变温度约为300℃。 低于300℃时,U3O8为底 …
mp-308: U3O8 (hexagonal, P-62m, 189) - Materials Project
U3O8 crystallizes in the hexagonal P-62m space group. The structure is three-dimensional. U+5.33+ is bonded to six O2- atoms to form distorted corner-sharing UO6 octahedra. The …
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