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The Pressure Performance of a Slide-Style Multianvil Large Volume Press

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Abstract:

A slide-style 6-8 multianvil high pressure apparatus which has a better synchronicity and smaller step difference uncertainty has been developed in recent years. The second-stage pressure-generating system was established successfully. The cell pressures for 18/8, 14/8, 12/6, 10/4, 8/3 assemblies have been calibrated by using fixed point method at room temperature. The 8/3 assembly has an excellent pressure efficiency and could be obtained 22.5GPa with only 250 ton loading force. The size of gaskets and performance of transmitting medium have a great influence on cell pressure. Semi-sintered MgO (porosity 40%) medium is more excellent than pyrophyllite in performance of transmitting pressure.

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Periodical:

Advanced Materials Research (Volumes 834-836)

Pages:

1373-1376

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.834-836.1373

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Online since:

October 2013

Authors:

Shi Jie Lv, Hong Ling Cui, Kai Du

Keywords:

Multianvil, Pressure Performance, Slide-Style

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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