New method for coating microspheres with zirconium carbide and zirconium carbide--carbon graded coats

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Description

A new method for the chemical vapor deposition of ZrC and C--ZrC alloys has been developed. This process has been applied to the fabrication of coated particle nuclear fuels of the type used in the large High-Temperature Gas-Cooled Reactor. A powder feeder is used to supply ZrCl$sub 4$ to the fluidized bed coating furnace where it undergoes reaction with a hydrocarbon to form ZrC. Quantitative metering of the ZrCl$sub 4$ makes it possible to control the deposition of the ZrC and the codeposition of the C--ZrC alloys on the fuel particles. Examples of both types of coats made using the ... continued below

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6 p.

Creation Information

Hollabaugh, C.M.; Reiswig, R.D.; Wagner, P.; Wahman, L.A. & White, R.W. June 1, 1975.

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Description

A new method for the chemical vapor deposition of ZrC and C--ZrC alloys has been developed. This process has been applied to the fabrication of coated particle nuclear fuels of the type used in the large High-Temperature Gas-Cooled Reactor. A powder feeder is used to supply ZrCl$sub 4$ to the fluidized bed coating furnace where it undergoes reaction with a hydrocarbon to form ZrC. Quantitative metering of the ZrCl$sub 4$ makes it possible to control the deposition of the ZrC and the codeposition of the C--ZrC alloys on the fuel particles. Examples of both types of coats made using the described technique are discussed and illustrated. (auth)

Physical Description

6 p.

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Dep. NTIS

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  • Other Information: Orig. Receipt Date: 30-JUN-76

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  • Report No.: LA--6012
  • Grant Number: W-7405-ENG-36
  • DOI: 10.2172/4142715 | External Link
  • Office of Scientific & Technical Information Report Number: 4142715
  • Archival Resource Key: ark:/67531/metadc872008

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Office of Scientific & Technical Information Technical Reports

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Creation Date

  • June 1, 1975

Added to The UNT Digital Library

  • Sept. 16, 2016, 12:32 a.m.

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  • Oct. 11, 2017, 1:44 p.m.

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Hollabaugh, C.M.; Reiswig, R.D.; Wagner, P.; Wahman, L.A. & White, R.W. New method for coating microspheres with zirconium carbide and zirconium carbide--carbon graded coats, report, June 1, 1975; New Mexico. (digital.library.unt.edu/ark:/67531/metadc872008/: accessed September 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.