Dynamic and quasi-static measurements of PBXN-5 and comp-B explosives

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We have measured dynamic and quasi-static mechanical properties of PBXN-5 and Comp-B explosive materials to provide input data for modeling efforts. Dynamic measurements included acoustic and split-Hopkinson pressure bar tests. Quasi-static testing was done in compression on a load frame. Hopkinson bar and quasistatic testing was done at five temperatures from -50{sup o}C to 50{sup o}C. Our results were dominated by the low density of the samples and showed up as low acoustic velocities and lower strengths, as compared to other materials of the same or similar formulations. The effects seem to be consistent with the high porosity of the ... continued below

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Brown, Geoffrey W; Tencate, James A; Deluca, Racci; Rae, Philip J & Todd, Steven N January 1, 2009.

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We have measured dynamic and quasi-static mechanical properties of PBXN-5 and Comp-B explosive materials to provide input data for modeling efforts. Dynamic measurements included acoustic and split-Hopkinson pressure bar tests. Quasi-static testing was done in compression on a load frame. Hopkinson bar and quasistatic testing was done at five temperatures from -50{sup o}C to 50{sup o}C. Our results were dominated by the low density of the samples and showed up as low acoustic velocities and lower strengths, as compared to other materials of the same or similar formulations. The effects seem to be consistent with the high porosity of the materials. The data do provide useful input to models that include density as a parameter and suggest caution when using measurements of ideal materials to predict behavior of damaged materials.

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  • Annual Conference of the society for Experimental Mechanics ; June 1, 2009 ; Albuquerque, NM

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  • Report No.: LA-UR-09-01524
  • Report No.: LA-UR-09-1524
  • Grant Number: AC52-06NA25396
  • Office of Scientific & Technical Information Report Number: 956587
  • Archival Resource Key: ark:/67531/metadc932019

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  • January 1, 2009

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  • Nov. 13, 2016, 7:26 p.m.

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  • Dec. 9, 2016, 11:17 p.m.

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Brown, Geoffrey W; Tencate, James A; Deluca, Racci; Rae, Philip J & Todd, Steven N. Dynamic and quasi-static measurements of PBXN-5 and comp-B explosives, article, January 1, 2009; [New Mexico]. (digital.library.unt.edu/ark:/67531/metadc932019/: accessed July 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.