Plasma-flash sintering: Metastable phase stabilization and evidence of ionized species

The first demonstration of plasma-flash sintering (PFS) is presented in this work. PFS is performed under a low-pressure atmosphere that consecutively generates plasma and flash events. It is shown, by using several combined characterization techniques, that PFS stabilizes metastable phases on the s...

Descripción completa

Detalles Bibliográficos
Autores: Gil-González, Eva, Taibi, Ahmed, Perejón, Antonio, Sánchez-Jiménez, Pedro E., Pérez-Maqueda, Luis A.
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2025
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/387042
Acceso en línea:http://hdl.handle.net/10261/387042
https://api.elsevier.com/content/abstract/scopus_id/85201600581
Access Level:acceso abierto
Palabra clave:flash-sintering
anatase
defects
electric-field assisted sintering
plasma
rutile
http://metadata.un.org/sdg/9
Build resilient infrastructure, promote inclusive and sustainable industrialization and foster innovation
Descripción
Sumario:The first demonstration of plasma-flash sintering (PFS) is presented in this work. PFS is performed under a low-pressure atmosphere that consecutively generates plasma and flash events. It is shown, by using several combined characterization techniques, that PFS stabilizes metastable phases on the surface of the material, which may be partially, but not solely, attributed to the generation of oxygen vacancies, and induces the absorption of ionized species, if a reactive atmosphere is employed. Even though additional research is required to understand the fundamentals of PFS, it is evidenced its potential to be used as a material surface engineering tool, which may widen the technological capabilities of flash sintering.