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Oxidation of high yield strength metals tungsten and rhenium in high-pressure high-temperature experiments of carbon dioxide and carbonates

DOI: 10.3390/cryst9120676 DOI Help

Authors: Raquel Chuliá-jordán (University of Valencia) , David Santamaria Perez (University of Valencia) , Tomas Marqueno (University of Valencia) , Javier Ruiz-fuertes (University of Cantabria) , Dominik Daisenberger (Diamond Light Source)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Crystals , VOL 9

State: Published (Approved)
Published: December 2019
Diamond Proposal Number(s): 16212

Open Access Open Access

Abstract: 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.

Journal Keywords: reactivity; tungsten; rhenium; carbon dioxide; carbonates; high-pressure high-temperature experiments

Subject Areas: Materials, Chemistry

Instruments: I15-Extreme Conditions

Other Facilities: APS


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