Trends in shock initiation of heterogeneous explosives

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Part of the difficulty in developing physically based models of shock initiation which have genuine predictive capability is that insufficient constraints are often imposed: models are most often applied to very limited data sets which encompass very narrow parameter ranges. Therefore, it seems to be of considerable value to examine the rather large existing shock initiation database to identify trends, similarities, and differences, which predictive models must describe, if they are to be of genuinely utility. In this paper, existing open-literature data for shock initiation of detonation of heterogeneous explosives in one-dimensional geometries have been examined. The intent was to ... continued below

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9 p.

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Howe, P.M. July 1, 1998.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. More information about this article can be viewed below.

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  • Howe, P.M. Los Alamos National Lab., NM (United States)

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Description

Part of the difficulty in developing physically based models of shock initiation which have genuine predictive capability is that insufficient constraints are often imposed: models are most often applied to very limited data sets which encompass very narrow parameter ranges. Therefore, it seems to be of considerable value to examine the rather large existing shock initiation database to identify trends, similarities, and differences, which predictive models must describe, if they are to be of genuinely utility. In this paper, existing open-literature data for shock initiation of detonation of heterogeneous explosives in one-dimensional geometries have been examined. The intent was to identify -- and where possible, isolate -- physically measurable and controllable parameter effects. Plastic bonded explosives with a variety of different binders and binder concentrations were examined. Data for different pressed explosive particulate materials and particle size distributions were reviewed. Effects of porosity were examined in both binderless and particle-matrix compositions. Effects of inert and reactive binders, and inert and reactive particle fills were examined. In several instances, the calculated data used by the original authors in their analysis was recalculated to correct for discrepancies and errors in the original analysis.

Physical Description

9 p.

Notes

OSTI as DE98003498

Source

  • 11. detonation symposium, Snowmass, CO (United States), 31 Aug - 4 Sep 1998

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  • Other: DE98003498
  • Report No.: LA-UR--98-274
  • Report No.: CONF-980803--
  • Grant Number: W-7405-ENG-36
  • DOI: 10.2172/329489 | External Link
  • Office of Scientific & Technical Information Report Number: 663198
  • Archival Resource Key: ark:/67531/metadc705821

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  • July 1, 1998

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  • Sept. 12, 2015, 6:31 a.m.

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  • Feb. 29, 2016, 7:55 p.m.

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Howe, P.M. Trends in shock initiation of heterogeneous explosives, article, July 1, 1998; New Mexico. (digital.library.unt.edu/ark:/67531/metadc705821/: accessed August 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.