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Open AccessArticle

Oxidation of High Yield Strength Metals Tungsten and Rhenium in High-Pressure High-Temperature Experiments of Carbon Dioxide and Carbonates

1
Applied Physics Department - ICMUV - MALTA Consolider Team, University of Valencia, c/Dr. Moliner 50, 46100 Burjassot (Valencia), Spain
2
DCITIMAC- MALTA Consolider Team, University of Cantabria, 39005 Santander, Spain
3
Diamond Light Source, Didcot, Oxon OX11 0DE, UK
*
Author to whom correspondence should be addressed.
Crystals 2019, 9(12), 676; https://doi.org/10.3390/cryst9120676
Received: 24 November 2019 / Revised: 11 December 2019 / Accepted: 13 December 2019 / Published: 17 December 2019
(This article belongs to the Special Issue Pressure-Induced Phase Transformations)
The laser-heating diamond-anvil cell technique enables direct investigations of materials under high pressures and temperatures, usually confining the samples with high yield strength W and Re gaskets. This work presents experimental data that evidences the chemical reactivity between these refractory metals and CO2 or carbonates at temperatures above 1300 °Ϲ and pressures above 6 GPa. Metal oxides and diamond are identified as reaction products. Recommendations to minimize non-desired chemical reactions in high-pressure high-temperature experiments are given. View Full-Text
Keywords: reactivity; tungsten; rhenium; carbon dioxide; carbonates; high-pressure high-temperature experiments reactivity; tungsten; rhenium; carbon dioxide; carbonates; high-pressure high-temperature experiments
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Chuliá-Jordán, R.; Santamaría-Pérez, D.; Marqueño, T.; Ruiz-Fuertes, J.; Daisenberger, D. Oxidation of High Yield Strength Metals Tungsten and Rhenium in High-Pressure High-Temperature Experiments of Carbon Dioxide and Carbonates. Crystals 2019, 9, 676.

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