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Mechanosynthesis of metastable cubic delta-Ta1-xN

dc.contributor.authorGarcía Mendoza, Teresa
dc.contributor.authorMartínez García, Alfredo
dc.contributor.authorBecerril Juárez, Ignacio Guadalupe
dc.contributor.authorLópez Vázquez, Erick
dc.contributor.authorAvalos Borja, Miguel
dc.contributor.authorValeria Zaragoza, Mario
dc.contributor.authorJuárez Arellano, Erick Adrián
dc.date.accessioned2021-06-10T20:08:24Z
dc.date.available2021-06-10T20:08:24Z
dc.date.issued2020
dc.identifier.citationT. Garcia-Mendoza, A. Martinez-Garcia, I.G. Becerril-Juarez, E. Lopez-Vazquez, M. Avalos-Borja, M. Valera-Zaragoza, E.A. Juarez-Arellano, Mechanosynthesis of metastable cubic ?-Ta1?xN, Ceramics International, Volume 46, Issue 14, 2020, Pages 23049-23058, https://doi.org/10.1016/j.ceramint.2020.06.082.
dc.identifier.urihttp://hdl.handle.net/11627/5641
dc.description.abstract"The formation of the cubic ?-Ta1?xN phase by high-energy ball-milling from tantalum and boron nitride (h-BN) is explored. Two different molar ratios Ta:BN, 1:1 and 2:1, were used. X-ray diffraction, scanning electron microscopy, surface area analysis by the Brunauer-Emmett-Teller method, and thermogravimetric analysis were used to characterize the products obtained. In both molar ratios and after a few minutes of milling, the mechanosynthesis of ?-Ta1?xN was observed. Increasing the entropy of the system by introducing vacancies and point defects by the high-energy ball-milling process seems to stabilize the cubic ?-Ta1?xN phase, as previous theoretical studies had reported. The phase obtained depends on the molar ratio used: in the molar ratio 1:1 a non-stoichiometric ?-Ta1?xN phase is obtained, while in the molar ratio 2:1 a stoichiometric ?-TaN phase and secondary phases are obtained. The amorphous boron remains dispersed in the material until the mechanical energy is high enough to trigger the formation of tantalum borides."
dc.publisherElsevier
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internacional
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectCubic ?-ta1?Xn phase
dc.subjectHigh-energy ball-milling
dc.subjectMetastable phase
dc.subjectTantalum nitride
dc.subject.classificationTECNOLOGÍA DE MATERIALES
dc.titleMechanosynthesis of metastable cubic delta-Ta1-xN
dc.typearticle
dc.identifier.doihttps://doi.org/10.1016/j.ceramint.2020.06.082
dc.rights.accessAcceso Abierto


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