PBX 9502 TENSILE ANALYSIS

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Description

With the recent creation of the PX HE Core Surveillance Database, individual specimen surveillance values can be easily compared to the corresponding individual qualification values to evaluate for trends. A review of the data shows a broad scatter in measured stress-strain values. Using the available HE surveillance database, it is clear that the surveillance measurements from the two Cycle 15 charges fall within the range of qualification stress and strain values recorded previously for PBX 9502 lots and that no apparent stockpile-age related trends are evident in the tensile stress-strain data. As a result of this investigation, some changes are ... continued below

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6 p.

Creation Information

Idar, D.J. & Larson, S.A. October 1, 2000.

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Description

With the recent creation of the PX HE Core Surveillance Database, individual specimen surveillance values can be easily compared to the corresponding individual qualification values to evaluate for trends. A review of the data shows a broad scatter in measured stress-strain values. Using the available HE surveillance database, it is clear that the surveillance measurements from the two Cycle 15 charges fall within the range of qualification stress and strain values recorded previously for PBX 9502 lots and that no apparent stockpile-age related trends are evident in the tensile stress-strain data. As a result of this investigation, some changes are being made to the core surveillance specifications to minimize the effects on tensile data scatter due to temperature and humidity differences and method to method changes. These data analyses do point out the need for a comprehensive understanding of the effect of a number of variables, i.e. formulation and pressing method, density, stockpile age, lot-to-lot variations, temperature, and humidity on the mechanical property behavior of HE composite materials. Too often data have been compared without the relevant details made available to determine if the test conditions were nominally the same or different. These results also point out the critical need to establish useful stress-strain limits for qualification and surveillance testing of HEs.

Physical Description

6 p.

Notes

OSTI as DE00765292

Medium: P; Size: 6 pages

Source

  • 23rd Aging, Compatibility, and Stockpile Stewardship Conference, Livermore, CA (US), 11/14/2000--11/16/2000

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  • Report No.: LA-UR-00-4948
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 765292
  • Archival Resource Key: ark:/67531/metadc717039

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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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  • October 1, 2000

Added to The UNT Digital Library

  • Sept. 29, 2015, 5:31 a.m.

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  • April 11, 2017, 1:23 p.m.

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Idar, D.J. & Larson, S.A. PBX 9502 TENSILE ANALYSIS, article, October 1, 2000; New Mexico. (digital.library.unt.edu/ark:/67531/metadc717039/: accessed May 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.