Shock compression of quartz and aluminum powder mixtures

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Description

The authors report about the shock-compression response of highly porous (55% and 65% dense) mixtures of 4Al + 3SiO{sub 2} powders having shock-induced phase transitions and chemical reactions. Shock recovery experiments were performed using the CETR/Sawaoka plate-impact system (P = 40 to 100 GPa) and the Sandia Momma Bear A Comp B fixture (P = 22 to 45 GPa). The recovered compacts contained the high pressure stishovite phase, products of chemical reaction, as well as unreacted constituents. The reaction products formed included Al{sub 2}O{sub 3} metallic Si (ambient and high pressure phases), SiAl intermetallic, and kyanite (Al{sub 2}SiO{sub 5}). The ... continued below

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5 p.

Creation Information

Joshi, V.S.; Thadhani, N.N.; Graham, R.A. & Holman, G.T. Jr. November 1, 1995.

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This report 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. It has been viewed 17 times . More information about this report can be viewed below.

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Authors

  • Joshi, V.S. New Mexico Tech, Socorro, NM (United States). Energetic Materials Research and Testing Center
  • Thadhani, N.N. Georgia Inst. of Tech., Atlanta, GA (United States). School of Materials Science and Engineering
  • Graham, R.A.
  • Holman, G.T. Jr. Sandia National Labs., Albuquerque, NM (United States). Advanced Materials Physics and Devices

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM (United States)
    Place of Publication: Albuquerque, New Mexico

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Description

The authors report about the shock-compression response of highly porous (55% and 65% dense) mixtures of 4Al + 3SiO{sub 2} powders having shock-induced phase transitions and chemical reactions. Shock recovery experiments were performed using the CETR/Sawaoka plate-impact system (P = 40 to 100 GPa) and the Sandia Momma Bear A Comp B fixture (P = 22 to 45 GPa). The recovered compacts contained the high pressure stishovite phase, products of chemical reaction, as well as unreacted constituents. The reaction products formed included Al{sub 2}O{sub 3} metallic Si (ambient and high pressure phases), SiAl intermetallic, and kyanite (Al{sub 2}SiO{sub 5}). The shock-induced chemical reaction in 4Al + 3SiO{sub 2} powder mixtures, appears to have been accompanied (or assisted) by the formation of stishovite, a high pressure phase of quartz.

Physical Description

5 p.

Notes

OSTI as DE96002078

Source

  • American Physical Society biennial conference on shock compression of condensed matter, Seattle, WA (United States), 13-18 Aug 1995

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  • Other: DE96002078
  • Report No.: SAND--95-2357C
  • Report No.: CONF-950846--65
  • Grant Number: AC04-94AL85000
  • DOI: 10.2172/125005 | External Link
  • Office of Scientific & Technical Information Report Number: 125005
  • Archival Resource Key: ark:/67531/metadc628513

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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

  • November 1, 1995

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

Description Last Updated

  • Aug. 23, 2016, 3:21 p.m.

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Joshi, V.S.; Thadhani, N.N.; Graham, R.A. & Holman, G.T. Jr. Shock compression of quartz and aluminum powder mixtures, report, November 1, 1995; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc628513/: accessed November 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.