Air-stable reference material for measurement of the oxygen-to-metal (O/M) ratio of nuclear fuel

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As a reference material for the oxygen-to-metal (O/M) ratio of nuclear oxide fuel, pellets prepared by calcining powder blends of titanium suboxide and thorium oxide in hydrogen atmosphere have desirable features of controllable O/M-ratio values, long-term stability in air, absence of plutonium, and high resistance to fracture. Under the conditions of the O/M-ratio measurement method of heating 800 to 900/sup 0/C in an atmosphere of 6% hydrogen - 94% helium containing water vapor, the titanium suboxide oxidizes stoichiometrically to titanium dioxide. Pellets have been prepared having O/M-ratio values equivalent to values of 1.94 to 1.98 for 3/1 uranium/plutonium mixed-oxide fuel, ... continued below

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Pages: 6

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Hammond, C.F.; Honnell, R.E. & Rein, J.E. January 1, 1983.

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Description

As a reference material for the oxygen-to-metal (O/M) ratio of nuclear oxide fuel, pellets prepared by calcining powder blends of titanium suboxide and thorium oxide in hydrogen atmosphere have desirable features of controllable O/M-ratio values, long-term stability in air, absence of plutonium, and high resistance to fracture. Under the conditions of the O/M-ratio measurement method of heating 800 to 900/sup 0/C in an atmosphere of 6% hydrogen - 94% helium containing water vapor, the titanium suboxide oxidizes stoichiometrically to titanium dioxide. Pellets have been prepared having O/M-ratio values equivalent to values of 1.94 to 1.98 for 3/1 uranium/plutonium mixed-oxide fuel, and have been used effectively for calibration and quality-control surveillance of an automated, predictive-thermogravimetric analyzer being developed by the Hanford Engineering Development Laboratory.

Physical Description

Pages: 6

Notes

NTIS, PC A02/MF A01.

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  • 26. ORNL-DOE conference on analytical chemistry in energy technology, Knoxville, TN, USA, 11 Oct 1983

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  • Other: DE84001347
  • Report No.: LA-UR-83-2613
  • Report No.: CONF-831025-2
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 5572460
  • Archival Resource Key: ark:/67531/metadc1092844

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Office of Scientific & Technical Information Technical Reports

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Creation Date

  • January 1, 1983

Added to The UNT Digital Library

  • Feb. 10, 2018, 10:06 p.m.

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  • May 11, 2018, 11:16 a.m.

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Hammond, C.F.; Honnell, R.E. & Rein, J.E. Air-stable reference material for measurement of the oxygen-to-metal (O/M) ratio of nuclear fuel, article, January 1, 1983; New Mexico. (digital.library.unt.edu/ark:/67531/metadc1092844/: accessed October 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.