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Title

Fundamental Parameters for Uranium Oxide Crystals Using an X-Ray Diffractometer

Organization

Department: Nuclear Eng'g & Health Physics

University: Idaho State University College: Science & Engineering Department: Nuclear Eng'g & Health Physics 23

Document Attachments

Resource	Length	Width	Thickness
Paper	0	0	0

Specimen Elements

City

Pocatello

Coverage

Unknown to Unknown

Creator

Malwina Wilding

Publisher

Idaho State University

Type

Thesis

Is Complete

No

Date Published

9/21/2017

Archive

digital

City: Pocatello

Degree

Master

Document Attachments

Abstracts

The purpose of this research project was to analyze the quality of UO2 crystals using single crystal XRD. Depleted UO2 samples were grown at the RISE Complex using a high precision induction furnace. A single-crystal X-ray diffractometry was used as a nondestructive method to analyze the internal lattice parameters to determine the sizes of the single crystals and the presence of any strains in the crystal structure. This study showed that the UO2 samples contain single crystals with less than 2% variation in the lattice constants; however, the induced strains and the sizes of the single crystals were very inconsistent across all of the samples. The average variations for sizes are 41% and 58%, and for strains are 73% and 123%. However, removing data for sample 3 and 4 (out of 8 samples) from the data set gave more consistent results. It was also determined in this study that sample holder design must be improved to facilitate more thorough analyses to give a better understanding of the crystalline behavior within the UO2 samples.