A study of the elasticity of Ta at high temperature and pressure

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The thermodynamic and transport properties of crystals and fluids at high temperature and pressure play a central role in the Earth and planetary sciences as well as in a variety of technologies and constitute a principal probe into the internuclear potential energy function at high density. Observation of surface waves by coherent time-domain optical spectroscopy provides an experimental approach to the determination, in the diamond-anvil high-pressure cell, of the elastic constants and thermal diffusivity of metal crystals as well as the equation of state and thermal transport properties of fluids. The electrical resistivities of metals may also be approximately accessible ... continued below

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424 Kilobytes pages

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Abramson, E H; Brown, J M; Hansen, D W; Ruddle, C M; Slutsky, L J & Zaug, J M August 26, 1998.

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The thermodynamic and transport properties of crystals and fluids at high temperature and pressure play a central role in the Earth and planetary sciences as well as in a variety of technologies and constitute a principal probe into the internuclear potential energy function at high density. Observation of surface waves by coherent time-domain optical spectroscopy provides an experimental approach to the determination, in the diamond-anvil high-pressure cell, of the elastic constants and thermal diffusivity of metal crystals as well as the equation of state and thermal transport properties of fluids. The electrical resistivities of metals may also be approximately accessible via the Wiedemann Franz Law. Preliminary results on Ta to pressures of 5.2 GPa are reported here. [Ta, elasticity, sound velocity, thermal diffusivity, equation of state].

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424 Kilobytes pages

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  • International Conference on High Pressure Science and Technology, Honolulu, HI (US), 07/25/1999--07/30/1999

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  • Report No.: UCRL-JC-135172
  • Report No.: DP0101022
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 14565
  • Archival Resource Key: ark:/67531/metadc625971

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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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  • August 26, 1998

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  • June 16, 2015, 7:43 a.m.

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  • May 6, 2016, 4:07 p.m.

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Abramson, E H; Brown, J M; Hansen, D W; Ruddle, C M; Slutsky, L J & Zaug, J M. A study of the elasticity of Ta at high temperature and pressure, article, August 26, 1998; California. (digital.library.unt.edu/ark:/67531/metadc625971/: accessed October 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.