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Picture of the month - March 2018

Published on April 20, 2018
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A beautiful mistake

Mars 2018 - Se rater en beauté

Mars 2018 - Se rater en beauté

Tungsten, heated in air, oxidizes to give tungsten trioxide. Above 1100 °C, this WO3 sublimates as soon as it is formed. The image presented here has been obtained with EFI (Extended Focus Image) mode on an optical microscope. It shows WO3 cristals grown on an insulator surface, after an induction heating test on tungsten, presumptively in air.






About the author: Tristan GARNAULT is a 1st year PhD student in GPM2 group and in CRISMAT lab in CAEN. He works on "Microwave sintering of complex ceramics fabricated by 3D printing" in partnership with MATEIS lab in Lyon and Armines in St Etienne.

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Written by Muriel Braccini

Date of update July 7, 2018

Communauté Université Grenoble Alpes