Development of electrically insulating coatings on vanadium alloys for lithium-cooled blankets

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The self-cooled lithium blanket concept with a vanadium structure offers a potential for high performance with attractive safety and environmental features. Based on blanket design studies, it became apparent that electrically insulating duct walls would be required to reduce the magnetohydrodynamic (MHD) pressure drop for liquid metal-cooled blankets for high magnetic field fusion devices. As a result, development of insulator coatings was recommended as the most appropriate approach for resolving this issue. Oxides such as CaO, Y{sub 2}O{sub 3}, BeO, MgO, MgAl{sub 2}O{sub 4}, and Y{sub 3}Al{sub 2}O{sub 12} and nitrides such as AlN, BN and Si{sub 3}N{sub 2} were ... continued below

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7 p.

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Smith, D.L.; Natesan, K.; Park, J.H.; Mattas, R. & Reed, C. October 1, 1997.

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Description

The self-cooled lithium blanket concept with a vanadium structure offers a potential for high performance with attractive safety and environmental features. Based on blanket design studies, it became apparent that electrically insulating duct walls would be required to reduce the magnetohydrodynamic (MHD) pressure drop for liquid metal-cooled blankets for high magnetic field fusion devices. As a result, development of insulator coatings was recommended as the most appropriate approach for resolving this issue. Oxides such as CaO, Y{sub 2}O{sub 3}, BeO, MgO, MgAl{sub 2}O{sub 4}, and Y{sub 3}Al{sub 2}O{sub 12} and nitrides such as AlN, BN and Si{sub 3}N{sub 2} were initially considered potential candidate coating materials. Based on results of scoping studies, CaO and AlN have been selected as primary candidates for further development. Progress on the development of CaO and AlN coatings, including in-situ formation and electrical properties measurements, are summarized in this paper.

Physical Description

7 p.

Notes

INIS; OSTI as DE98050038

Source

  • International workshop on liquid metal blanket experimental activities, Paris (France), 16-18 Sep 1997

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  • Other: DE98050038
  • Report No.: ANL/ET/CP--93895
  • Report No.: CONF-9709165--
  • Grant Number: W-31-109-ENG-38
  • Office of Scientific & Technical Information Report Number: 565637
  • Archival Resource Key: ark:/67531/metadc697936

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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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  • October 1, 1997

Added to The UNT Digital Library

  • Aug. 14, 2015, 8:43 a.m.

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  • Dec. 16, 2015, 12:20 p.m.

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Smith, D.L.; Natesan, K.; Park, J.H.; Mattas, R. & Reed, C. Development of electrically insulating coatings on vanadium alloys for lithium-cooled blankets, article, October 1, 1997; Illinois. (digital.library.unt.edu/ark:/67531/metadc697936/: accessed December 15, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.