Issues and future directions in subsecond thermophysics

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The primary motivations for trying to measure thermophysical properties of materials on subsecond timescales are to extend measurements to higher temperatures than can be conveniently maintained continuously, or to make measurements on systems out of thermodynamic equilibrium. Since these measurements are difficult, one must keep in mind the needs for the data. These include the ability to use materials cleverly in new high-pressure/high- temperature applications, as well as the development of calibrated models for the response of materials to rapid energy deposition, by laser pulses, for example. Several key areas have been identified in which effort is needed for substantial ... continued below

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Pages: 5

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Shaner, J.W. January 1, 1989.

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Description

The primary motivations for trying to measure thermophysical properties of materials on subsecond timescales are to extend measurements to higher temperatures than can be conveniently maintained continuously, or to make measurements on systems out of thermodynamic equilibrium. Since these measurements are difficult, one must keep in mind the needs for the data. These include the ability to use materials cleverly in new high-pressure/high- temperature applications, as well as the development of calibrated models for the response of materials to rapid energy deposition, by laser pulses, for example. Several key areas have been identified in which effort is needed for substantial progress in subsecond measurements, and which have unusual promise for useful new scientific results. These areas include the problems of high-temperature standards, equilibration during rapid heating, measurements at higher temperatures combined with higher pressures, measurements on specific interesting materials, and measurement of microstructural properties at high temperature and their relation to macroscopic response. Each of these areas will be touched upon here.

Physical Description

Pages: 5

Notes

NTIS, PC A02/MF A01 - OSTI; 1.

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  • 10. symposium on thermophysical properties, Gaithersburg, MD, USA, 20-23 Jun 1989

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  • Other: DE89014228
  • Report No.: LA-UR-89-2105
  • Report No.: CONF-8906164-1
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 6013152
  • Archival Resource Key: ark:/67531/metadc1097222

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Office of Scientific & Technical Information Technical Reports

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  • January 1, 1989

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  • Feb. 18, 2018, 3:59 p.m.

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  • May 30, 2018, 11:47 a.m.

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Shaner, J.W. Issues and future directions in subsecond thermophysics, article, January 1, 1989; New Mexico. (digital.library.unt.edu/ark:/67531/metadc1097222/: accessed October 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.