DIRECT OBSERVATION OF THE ALPHA-EPSILON TRANSITION IN SHOCKED SINGLE CRYSTAL IRON

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In-situ x-ray diffraction was used to study the response of single crystal iron under shock conditions. Measurements of the response of [001] iron showed a uniaxial compression of the initially bcc lattice along the shock direction by up to 6% at 13 GPa. Above this pressure, the lattice responded with a further collapse of the lattice by 15-18% and a transformation to a hcp structure. The in-situ measurements are discussed and results summarized.

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Kalantar, D H; Collins, G W; Colvin, J D; Davies, H M; Eggert, J H; Hawreliak, J et al. August 23, 2005.

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In-situ x-ray diffraction was used to study the response of single crystal iron under shock conditions. Measurements of the response of [001] iron showed a uniaxial compression of the initially bcc lattice along the shock direction by up to 6% at 13 GPa. Above this pressure, the lattice responded with a further collapse of the lattice by 15-18% and a transformation to a hcp structure. The in-situ measurements are discussed and results summarized.

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PDF-file: 6 pages; size: 0.9 Mbytes

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  • Presented at: 14th APS Topical Conference on Shock Compression of Condensed Matter, Baltimore, MD, United States, Jul 31 - Aug 05, 2005

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  • Report No.: UCRL-CONF-214972
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 883551
  • Archival Resource Key: ark:/67531/metadc891976

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  • August 23, 2005

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  • Sept. 23, 2016, 2:42 p.m.

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  • Dec. 7, 2016, 10:53 a.m.

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Kalantar, D H; Collins, G W; Colvin, J D; Davies, H M; Eggert, J H; Hawreliak, J et al. DIRECT OBSERVATION OF THE ALPHA-EPSILON TRANSITION IN SHOCKED SINGLE CRYSTAL IRON, article, August 23, 2005; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc891976/: accessed June 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.