High Pressure Apparatus for Hydrogen Isotopes to Pressures of 345 MPa (50,000 psi) and Temperatures of 1200°C

  • J. F. Lakner


A functional new high pressure, high temperature apparatus for hydrogen isotopes uses an internally heated pressure vessel within a larger pressure vessel. The pressure capability is 345 MPa (50 K psi) at 1200°C. The gas pressure inside the internal vessel is balanced with gas pressure in the external vessel. The internal vessel is attached to a closure and is also the sample container. Our design allows thin-walled internal vessel construction and keeps the sample from “seeing” the furnace or other extraneous environment. The sample container together with the closure can easily be removed and loaded under argon using standard glove-box procedures. The small volume of the inner vessel permits small volumes of gas to be used, thusly increasing the sensitivity during pressure-volume-temperature (PVT) work.


Pressure Vessel Hydrogen Isotope Bare Wire Internal Vessel Alumina Insulator 
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  1. 1.
    E. W. Comings, High Pressure Technology, McGraw-Hill Book Company, New York (1956), p. 187.Google Scholar
  2. 2.
    J. H. Faupel, Engineering Design, John Wiley and Sons, New York (1964), p. 427.Google Scholar

Copyright information

© Springer Science+Business Media New York 1979

Authors and Affiliations

  • J. F. Lakner
    • 1
  1. 1.Lawrence Livermore LaboratoryUniversity of CaliforniaLivermoreUSA

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