Materials Compatibility With Uranium Fluorides At High Temperatures
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Author | : S. Anghaie |
Publisher | : |
Total Pages | : 162 |
Release | : 1996 |
Genre | : |
ISBN | : |
Download Materials Compatibility With Uranium Fluorides at High Temperatures Book in PDF, Epub and Kindle
The objective of an ongoing study being conducted by the Innovative Nuclear Space Power and Propulsion Institute (INSPI) at the University of Florida, is to find suitable materials for use in contact with uranium tetrafluoride from approximately 1200 to 3000 C. This temperature range encompasses both the liquid and gas phase of UF4. In this project ceramic materials were investigated which have been used in the fuel of nuclear reactors. These materials, if compatible with UF4, would be extremely valuable due to their very high melting temperatures, familiar chemistry, and well characterized nuclear properties. Experiments were conducted on thorium dioxide (ThO2) and uranium dioxide (UO2). Samples were exposed to liquid UF4 at 1100 C and to UF4 vaporized at above 1450 C. Exposures took place in a graphite crucible inside an evacuated quartz tube. An inductive heating system was used to heat the crucible and thereby the UF4. Use of the quartz tube allowed direct observation of the ongoing reactions. At the conclusion of each exposure samples of residual gases diluted with nitrogen were run through a gas chromatograph (GC) to determine which gases were released as corrosion products. Subsequent to each experiment remaining samples were weighed then photographed at 2.5x magnification. Power samples of the surface scales and the bulk samples were then prepared for x-ray diffraction analysis (XRD) to determine composition. Data from the GC and XRD were then correlated with equilibrium reaction product data obtained from F*A*C*T to determine the reactions present. Surface analysis of the samples was conducted using Scanning Electron Microscopy (SEM) to examine the scales formed at high magnification and Energy Dispersive X-Ray Spectroscopy (EDS), to qualitatively determine the elements present in various parts of the scales. Experiments with uranium dioxide showed that although UO2 does not react significantly with UF4, it does dissolve in liquid UF4 and apparently suffers from ablation when exposed to UF4 vapor. Thoria did react with UF4 in both the liquid and gas phase exposures, forming a mixture of uranium dioxide and uranium-thorium oxyfluorides.
Author | : James J. Gangler |
Publisher | : |
Total Pages | : 32 |
Release | : 1960 |
Genre | : Borides |
ISBN | : |
Download Uranium Dioxide Compatibility with Refractory Metals, Carbides, Borides, Nitrides, and Oxides Between 3500 ̊and 5000 ̊F Book in PDF, Epub and Kindle
Author | : |
Publisher | : |
Total Pages | : 900 |
Release | : 1975 |
Genre | : Nuclear energy |
ISBN | : |
Download Nuclear Science Abstracts Book in PDF, Epub and Kindle
NSA is a comprehensive collection of international nuclear science and technology literature for the period 1948 through 1976, pre-dating the prestigious INIS database, which began in 1970. NSA existed as a printed product (Volumes 1-33) initially, created by DOE's predecessor, the U.S. Atomic Energy Commission (AEC). NSA includes citations to scientific and technical reports from the AEC, the U.S. Energy Research and Development Administration and its contractors, plus other agencies and international organizations, universities, and industrial and research organizations. References to books, conference proceedings, papers, patents, dissertations, engineering drawings, and journal articles from worldwide sources are also included. Abstracts and full text are provided if available.
Author | : James C. Warf |
Publisher | : |
Total Pages | : 10 |
Release | : 1949 |
Genre | : Uranium fluorides |
ISBN | : |
Download Uranium Trifluoride Book in PDF, Epub and Kindle
Author | : |
Publisher | : |
Total Pages | : 892 |
Release | : 1994 |
Genre | : Aeronautics |
ISBN | : |
Download Scientific and Technical Aerospace Reports Book in PDF, Epub and Kindle
Author | : United States. Superintendent of Documents |
Publisher | : |
Total Pages | : 1366 |
Release | : 1968 |
Genre | : United States |
ISBN | : |
Download Monthly Catalog of United States Government Publications, Cumulative Index Book in PDF, Epub and Kindle
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Publisher | : |
Total Pages | : 1364 |
Release | : 1951 |
Genre | : Government publications |
ISBN | : |
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Publisher | : |
Total Pages | : 720 |
Release | : 19?? |
Genre | : Energy development |
ISBN | : |
Download TID. Book in PDF, Epub and Kindle
Author | : |
Publisher | : |
Total Pages | : 1072 |
Release | : 1977 |
Genre | : Nuclear energy |
ISBN | : |
Download INIS Atomindeks Book in PDF, Epub and Kindle
Author | : John C. Grigger |
Publisher | : |
Total Pages | : 114 |
Release | : 1961 |
Genre | : Chemical reactions |
ISBN | : |
Download The Compatibility of Materials with Chlorine Trifluoride, Perchloryl Fluoride and Mixtures of These Book in PDF, Epub and Kindle