How light element addition can lower core liquid wavespeeds

GR Helffrich

Research output: Contribution to journalArticle (Academic Journal)peer-review

Abstract

Sound speeds in liquid mixtures are governed by an interplay between the properties of their end-members. The mixture's bulk modulus and density are each affected by end-member volumes and how those end-members mix. Particularly non-intuitive effects can arise when end-member mixing volumes are non-ideal, even mildly so. Non-ideality could also arise in metallic liquids of the Earth's outer core and exhibit some counterintuitive effects, whose origin is explained here.
Translated title of the contributionHow light element addition can lower core liquid wavespeeds
Original languageEnglish
Pages (from-to)1065 - 1070
Number of pages6
JournalGeophysical Journal International
Volume188
Publication statusPublished - 2012

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