Decoupling of uranium metal with borated plaster using /sup 252/Cf nose analysis methods

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The use of borated plaster to isolate uranium (93.2 wt % /sup 235/U) metal was studied in a series of subcritical experiments with uranium metal cylinders (7.0 in. diam, 2.0 in. thick) and slabs (approx.1.4 x approx.5.4 x approx.10.1 in. dimensions). In the cylindrical experiments, the thickness of borated plaster was varied up to 10 in. and the subcriticality measured using the /sup 252/Cf-source-driven neutron noise analysis method. In the experiments with the uranium slabs, an array of slabs 3 wide and 8 high was assembled in steps to demonstrate the subcriticality of this array with 3.75-in.-thick borated plaster as ... continued below

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Pages: 7

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Mihalczo, J.T.; King, W.T. & Blakeman, E.D. January 1, 1985.

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Description

The use of borated plaster to isolate uranium (93.2 wt % /sup 235/U) metal was studied in a series of subcritical experiments with uranium metal cylinders (7.0 in. diam, 2.0 in. thick) and slabs (approx.1.4 x approx.5.4 x approx.10.1 in. dimensions). In the cylindrical experiments, the thickness of borated plaster was varied up to 10 in. and the subcriticality measured using the /sup 252/Cf-source-driven neutron noise analysis method. In the experiments with the uranium slabs, an array of slabs 3 wide and 8 high was assembled in steps to demonstrate the subcriticality of this array with 3.75-in.-thick borated plaster as an isolating material between all uranium slabs. In the slab experiments, both noise analysis and source neutron multiplication measurements were performed. Before assembly of the slab array the presence of boron in the plaster was verified by neutron transmission and gamma-ray spectrometry measurements.

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Pages: 7

Notes

NTIS, PC A02/MF A01.

Source

  • American Nuclear Society winter meeting, San Francisco, CA, USA, 10 Nov 1985

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  • Other: DE86002451
  • Report No.: CONF-851115-36
  • Grant Number: AC05-84OR21400
  • Office of Scientific & Technical Information Report Number: 6460611
  • Archival Resource Key: ark:/67531/metadc1211878

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • January 1, 1985

Added to The UNT Digital Library

  • July 5, 2018, 11:11 p.m.

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  • Aug. 8, 2018, 2:09 p.m.

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Mihalczo, J.T.; King, W.T. & Blakeman, E.D. Decoupling of uranium metal with borated plaster using /sup 252/Cf nose analysis methods, article, January 1, 1985; United States. (digital.library.unt.edu/ark:/67531/metadc1211878/: accessed January 20, 2019), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.