Shock-induced reaction behavior of Ti-Si and Ti-B powder mixtures

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Description

Mechanistic processes controlling the shock-induced chemical reaction behavior of highly reactive Ti-Si and Ti-B powder-mixtures were investigated. Recovery experiments were performed, using Sandia Bear fixtures, to determine the reaction initiation thresholds for the respective systems, and to produce compacts of unreacted states to characterize the shock-compressed configuration of reactants at conditions below the reaction threshold. X-ray diffraction line broadening and scanning electron microscopy analysis were used to determine the response of individual reactants during shock-compression. It was observed that the deformation and/or fracture response of reactants during shock-compression influences the threshold conditions for, reaction initiation and the overall reaction propensity.

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8 p.

Creation Information

Royal, T.E.; Thadhani, N.N. & Graham, R.A. December 31, 1995.

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

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Description

Mechanistic processes controlling the shock-induced chemical reaction behavior of highly reactive Ti-Si and Ti-B powder-mixtures were investigated. Recovery experiments were performed, using Sandia Bear fixtures, to determine the reaction initiation thresholds for the respective systems, and to produce compacts of unreacted states to characterize the shock-compressed configuration of reactants at conditions below the reaction threshold. X-ray diffraction line broadening and scanning electron microscopy analysis were used to determine the response of individual reactants during shock-compression. It was observed that the deformation and/or fracture response of reactants during shock-compression influences the threshold conditions for, reaction initiation and the overall reaction propensity.

Physical Description

8 p.

Notes

OSTI as DE96004184

Source

  • 4. international conference on metallurgical and materials applications of shock-wave and high-strain-rate phenomena, El Paso, TX (United States), 6-10 Aug 1995

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  • Other: DE96004184
  • Report No.: SAND--95-0952C
  • Report No.: CONF-950856--6
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 196479
  • Archival Resource Key: ark:/67531/metadc665859

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Creation Date

  • December 31, 1995

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

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  • April 14, 2016, 8:45 p.m.

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Royal, T.E.; Thadhani, N.N. & Graham, R.A. Shock-induced reaction behavior of Ti-Si and Ti-B powder mixtures, article, December 31, 1995; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc665859/: accessed September 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.