Calibration Of Bridgman Anvils, A Pressure Scale To 125 Kbars

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Description

It is shown that a radial pressure gradient exists in the silver chloride when it is used as the pressure transmitting medium in Bridgman anvils. The gradient can be obviated by the use of circular sections of wire. The center of curvature of the wire hoop is made coincident with the anvil center. When the inner and outer diameters of the pyrophyllite retaining ring are 1/2 and 7/16" respectively, the pressure, P, is P = (0.725 + 0.468R) L where R is the fractional displacement from the center, and L is the average pressure as determined from the total load … continued below

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32 pages : illustrations

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Montgomery, Peter W.; Stromberg, Harold; Lura, George H. & Jura, George August 1961.

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Description

It is shown that a radial pressure gradient exists in the silver chloride when it is used as the pressure transmitting medium in Bridgman anvils. The gradient can be obviated by the use of circular sections of wire. The center of curvature of the wire hoop is made coincident with the anvil center. When the inner and outer diameters of the pyrophyllite retaining ring are 1/2 and 7/16" respectively, the pressure, P, is P = (0.725 + 0.468R) L where R is the fractional displacement from the center, and L is the average pressure as determined from the total load and area of the anvil face. The above appears to be valid to 125 Kbars. The Bismuth 6-8 transition is found to accur at 88+3 Kbars.

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32 pages : illustrations

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Digitized from microopaque cards (1).

Includes bibliographic references (page 19)

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  • SuDoc Number: Y 3.At 7:22/UCRL-9807
  • Report No.: UCRL-9807
  • Accession or Local Control No: metadc1254679
  • Archival Resource Key: ark:/67531/metadc1254679

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Imaged from microcard, these technical reports describe research performed for U.S. government agencies from the 1930s to the 1960s. The reports were provided by the Technical Report Archive and Image Library (TRAIL).

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  • August 1961

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  • Feb. 5, 2022, 9:50 a.m.

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  • Jan. 10, 2023, 3:48 p.m.

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Montgomery, Peter W.; Stromberg, Harold; Lura, George H. & Jura, George. Calibration Of Bridgman Anvils, A Pressure Scale To 125 Kbars, report, August 1961; Livermore, California. (https://digital.library.unt.edu/ark:/67531/metadc1254679/: accessed March 16, 2025), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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