Thermal properties and chemical reactivity. Quarterly report, January--March, 1970

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The capabilities of the high pressure DTA are discussed and the modifications made to correct the errors in the temperature measurement are described. The variations in the melting point of PETN and the temperature of the {beta} to {delta} transition for HMX as a function pressure are reported. Above 8,000 psi the melting point of PETN appears to be linear with pressure. The temperature of the {beta} to {delta} transition for HMX also appears to be linear with pressure. Coupon test data for another assembly aged 355 days at 80 C are reported with a summary of the gas analysis, ... continued below

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24 p.

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Myers, L.C. December 31, 1970.

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  • Mason & Hanger-Silas Mason Co.
    Publisher Info: Mason and Hanger-Silas Mason Co., Inc., Amarillo, TX (United States)
    Place of Publication: Amarillo, Texas

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Description

The capabilities of the high pressure DTA are discussed and the modifications made to correct the errors in the temperature measurement are described. The variations in the melting point of PETN and the temperature of the {beta} to {delta} transition for HMX as a function pressure are reported. Above 8,000 psi the melting point of PETN appears to be linear with pressure. The temperature of the {beta} to {delta} transition for HMX also appears to be linear with pressure. Coupon test data for another assembly aged 355 days at 80 C are reported with a summary of the gas analysis, Henkin`s time-to-explosion, and chemical reactivity test data for coupon test assemblies aged for 94, 151, and 263 days at 80 C. These data also show that the LX-09 in the coupon test assemblies will fade from purple to tan when stored at 80 C in an atmosphere of N{sub 2}, O{sub 2}, and CO{sub 2} (60/30/10) and the LX-09 will become a much darker purple in a helium atmosphere. Some preliminary tests show that N{sub 2}, CO, NO, CO{sub 2}, and N{sub 2}O are the major decomposition gas products that can be expected from FEFO.

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24 p.

Notes

OSTI as DE97009187

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  • Other Information: PBD: [1970]

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  • Other: DE97009187
  • Report No.: MHSMP--70-01E
  • Report No.: SANL--712-005(Jan-Mar/70)
  • Grant Number: AC04-91AL65030
  • DOI: 10.2172/532487 | External Link
  • Office of Scientific & Technical Information Report Number: 532487
  • Archival Resource Key: ark:/67531/metadc696860

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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.

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Creation Date

  • December 31, 1970

Added to The UNT Digital Library

  • Aug. 14, 2015, 8:43 a.m.

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  • May 4, 2016, 3:44 p.m.

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Myers, L.C. Thermal properties and chemical reactivity. Quarterly report, January--March, 1970, report, December 31, 1970; Amarillo, Texas. (digital.library.unt.edu/ark:/67531/metadc696860/: accessed December 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.