Effect of Molten Sodium on Thermal Insulation Specimens

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Every type of thermal insulating material tested showed attack in varying degeces. Many specimens which had been cured at 1000 deg F, with no color change, did show drastic changes at 950 deg F due to the action of sodium. The materials showing the least disintegration and greatest preservation of mechanical properties were Superex paste and Eagle-Picher mineral wool. The uncured Superex Block did not hold up as well as Superax paste, presumably due to the presence of water of crystallization; after curing, the results were similar to that of the paste. The refractory clays showed the greatest degree of ... continued below

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Tarpinian, M. November 19, 1954.

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Description

Every type of thermal insulating material tested showed attack in varying degeces. Many specimens which had been cured at 1000 deg F, with no color change, did show drastic changes at 950 deg F due to the action of sodium. The materials showing the least disintegration and greatest preservation of mechanical properties were Superex paste and Eagle-Picher mineral wool. The uncured Superex Block did not hold up as well as Superax paste, presumably due to the presence of water of crystallization; after curing, the results were similar to that of the paste. The refractory clays showed the greatest degree of destruction. The time element is of vital importance, since a long perfod of contact with liquid sodium would presumably result in complete destruction of every specimen tested. (auth)

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  • Other Information: Orig. Receipt Date: 31-DEC-59

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  • Report No.: NAA-SR-Memo-1171
  • Grant Number: None
  • DOI: 10.2172/4263537 | External Link
  • Office of Scientific & Technical Information Report Number: 4263537
  • Archival Resource Key: ark:/67531/metadc1024264

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  • November 19, 1954

Added to The UNT Digital Library

  • Oct. 15, 2017, 10:09 p.m.

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  • Jan. 22, 2018, 11:35 a.m.

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Tarpinian, M. Effect of Molten Sodium on Thermal Insulation Specimens, report, November 19, 1954; Downey, California. (digital.library.unt.edu/ark:/67531/metadc1024264/: accessed December 13, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.