Coupled plastic flow and phase transformation under compression of materials in a diamond anvil cell: Effects of transformation kinetics and yield strength

Oleg M. Zarechnyy, Valery I. Levitas, Yanzhang Ma

Research output: Contribution to journalArticle

7 Scopus citations

Abstract

The large-strain problem on phase transformations (PTs) under compression in a diamond anvil cell is studied in detail using the finite-element method. The combined effect of transformation kinetics and ratios of the yield strengths of low- and high-pressure phases is examined. Some experimental phenomena (e.g., plateaus in pressure distribution and plastic flow to the center of a sample) are reproduced. Results are applied to interpretation of experimental data and characterization of strain-induced PTs.

Original languageEnglish
Article number023518
JournalJournal of Applied Physics
Volume111
Issue number2
DOIs
StatePublished - Jan 15 2012

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