Some techniques and results from high-pressure shock-wave experiments utilizing the radiation from shocked transparent materials

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It has been known for many years that some transparent materials emit radiation when shocked to high pressures. This property was used to determine the temperature of shocked fused and crystal quartz, which in turn allowed the thermal expansion of SiO/sub 2/ at high pressure and also the specific heat to be calculated. Once the radiative energy as a function of pressure is known for one material it is shown how this can be used to determine the temperature of other transparent materials. By the nature of the experiments very accurate shock velocities can be measured and hence high quality ... continued below

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Pages: 16

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McQueen, R.G. & Fritz, J.N. January 1, 1981.

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Description

It has been known for many years that some transparent materials emit radiation when shocked to high pressures. This property was used to determine the temperature of shocked fused and crystal quartz, which in turn allowed the thermal expansion of SiO/sub 2/ at high pressure and also the specific heat to be calculated. Once the radiative energy as a function of pressure is known for one material it is shown how this can be used to determine the temperature of other transparent materials. By the nature of the experiments very accurate shock velocities can be measured and hence high quality equation of state data obtained. Some techniques and results are presented on measuring sound velocities from symmetrical impact of nontransparent materials using radiation emitting transparent analyzers, and on nonsymmetrical impact experiments on transparent materials. Because of special requirements in the later experiments, techniques were developed that lead to very high-precision shock-wave data. Preliminary results, using these techniques are presented for making estimates of the melting region and the yield strength of some metals under strong shock conditions.

Physical Description

Pages: 16

Notes

NTIS, PC A02/MF A01.

Source

  • APS conference on shock waves in condensed matter, Menlo Park, CA, USA, 23 Jun 1981

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  • Other: DE81028699
  • Report No.: LA-UR-81-2303
  • Report No.: CONF-810684-44
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 6290798
  • Archival Resource Key: ark:/67531/metadc1111386

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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.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • January 1, 1981

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  • Feb. 22, 2018, 7:45 p.m.

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  • May 25, 2018, 5:25 p.m.

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McQueen, R.G. & Fritz, J.N. Some techniques and results from high-pressure shock-wave experiments utilizing the radiation from shocked transparent materials, article, January 1, 1981; New Mexico. (digital.library.unt.edu/ark:/67531/metadc1111386/: accessed December 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.