Corrosion of INOR-8 and Inconel Dissolver Components of the Fluoride-Volatility Process

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Description

The corrosion of INOR-8 and Inconel dissolver components used in the fluoride volatility process for the dissolution of zirconium with anhydrous HF in molten salts was investigated. Ten dissolution runs were made using simulated subassemblies formed from Zircoloy-2. The dissolver and components were made from INOR-8. Both the dissolver vessel and draft tube were examined several times during the series of runs. The solids which formed at different areas in the system were also analyzed. The results showed that the corrosion of the INOR-8 dissolver was greatest at the salt-off gas interface and at the HF gas inlet. Almost all … continued below

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50 pages : illustrations

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Fink, Frederick W. December 30, 1959.

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  • Main Title: Corrosion of INOR-8 and Inconel Dissolver Components of the Fluoride-Volatility Process
  • Series Title: AECU (Series)
  • Series Title: Atomic Energy Commission Reports
  • Added Title: Atomic Energy Commission Report AECU-4633

Description

The corrosion of INOR-8 and Inconel dissolver components used in the fluoride volatility process for the dissolution of zirconium with anhydrous HF in molten salts was investigated. Ten dissolution runs were made using simulated subassemblies formed from Zircoloy-2. The dissolver and components were made from INOR-8. Both the dissolver vessel and draft tube were examined several times during the series of runs. The solids which formed at different areas in the system were also analyzed. The results showed that the corrosion of the INOR-8 dissolver was greatest at the salt-off gas interface and at the HF gas inlet. Almost all of the corrosion took place during run 10 when no zirconium was present. Portions of the dissolver were cleaned after run 10 and sent to BMI for evaluation. The results of the Battelle metallographic examinations of the portions are included along with several photographs. The results with Inconel tubes in the copper-lined hydro-fluorinator confirmed the observations that the liquid gas interface areas were the most susceptible to attack.

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50 pages : illustrations

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Digitized from microopaque cards (2).

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  • Report No.: AECU-4633
  • SuDoc Number: Y 3.At 7:22/AECU-4633
  • Accession or Local Control No: metadc1248781
  • Archival Resource Key: ark:/67531/metadc1248781

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  • December 30, 1959

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  • July 9, 2023, 6:08 p.m.

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  • March 14, 2024, 1:27 p.m.

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Fink, Frederick W. Corrosion of INOR-8 and Inconel Dissolver Components of the Fluoride-Volatility Process, report, December 30, 1959; Washington D.C.. (https://digital.library.unt.edu/ark:/67531/metadc1248781/: accessed August 7, 2026), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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