Study of the potential use of carburized niobium in plutonium processing

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Carburized refractory metals, especially tantalum, have been shown to possess properties useful for application as hardware in the plutonium-processing environment. These applications are driven in part by a desire to minimize the production of radioactively contaminated waste. The current use of ceramics as containment materials for Pu processing are not ideal due to the short service life of the hardware, placing an additional burden on the contaminated waste stream. Carburized niobium has been examined for use as an improved hardware material. The Nb-C system is analogous to the previously studied Ta-C system. The low density of niobium relative to tantalum ... continued below

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2 p.

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Johnson, M.J.; Soderquist, S.D. & Axler, K.M. December 1, 1998.

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Description

Carburized refractory metals, especially tantalum, have been shown to possess properties useful for application as hardware in the plutonium-processing environment. These applications are driven in part by a desire to minimize the production of radioactively contaminated waste. The current use of ceramics as containment materials for Pu processing are not ideal due to the short service life of the hardware, placing an additional burden on the contaminated waste stream. Carburized niobium has been examined for use as an improved hardware material. The Nb-C system is analogous to the previously studied Ta-C system. The low density of niobium relative to tantalum will improve the ergonomics of the glovebox environment. The choice of the Nb-C system will be supported by a thermodynamic and kinetic analysis. Preliminary results of the processing investigation also will be presented.

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2 p.

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INIS; OSTI as DE99000675

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  • 5. international conference on composites engineering, Las Vegas, NV (United States), 5-11 Jul 1998

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  • Other: DE99000675
  • Report No.: LA-UR--98-1390
  • Report No.: CONF-980717--
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 677020
  • Archival Resource Key: ark:/67531/metadc704242

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  • December 1, 1998

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • May 5, 2016, 7:23 p.m.

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Johnson, M.J.; Soderquist, S.D. & Axler, K.M. Study of the potential use of carburized niobium in plutonium processing, article, December 1, 1998; New Mexico. (digital.library.unt.edu/ark:/67531/metadc704242/: accessed August 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.