A finite-element study of sapphire anvils for increased sample volumes

C. J. Ridley*, M. K. Jacobsen, K. V. Kamenev

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Diamond anvil cells enable over sample pressures to be generated, but remain unsuitable for many measurements due to the limited sample volume available. Larger sapphire anvils have enabled approximately an order of magnitude increase in sample volume, but fail to reach similar pressures due to the mechanical differences between sapphire and diamond, and the difficulties in containing larger sample volumes under pressure. To understand the origin of these limitations, finite element analyses of large sapphire anvils have been performed and compared with experimental loading data.

Original languageEnglish
Pages (from-to)148-161
Number of pages14
JournalHigh Pressure Research
Volume35
Issue number2
DOIs
Publication statusPublished - 1 Jan 2015

Keywords

  • finite element analysis
  • opposed anvil pressure cells
  • sapphire anvils
  • shape optimisation

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