Artículo
A novel Multi‐Phase Flash Sintering (MPFS) technique for 3D complex‐shaped ceramics
Autor/es | Molina-Molina, Sandra
Gil González, Eva Durán Olivencia, Francisco José Valverde Millán, José Manuel Perejón Pazo, Antonio Sánchez Jiménez, Pedro Enrique Pérez Maqueda, Luis Allan |
Departamento | Universidad de Sevilla. Departamento de Ingeniería Química Universidad de Sevilla. Departamento de Electrónica y Electromagnetismo Universidad de Sevilla. Departamento de Química Inorgánica |
Fecha de publicación | 2022-03 |
Fecha de depósito | 2023-01-16 |
Publicado en |
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Resumen | This work demonstrates the first proof-of-concept of Multi-Phase Flash Sintering (MPFS). This novel tech- nique essentially consists of applying a rotating electric field to the sample by means of a multi-phase voltage ... This work demonstrates the first proof-of-concept of Multi-Phase Flash Sintering (MPFS). This novel tech- nique essentially consists of applying a rotating electric field to the sample by means of a multi-phase voltage source as furnace temperature increases. Several ceramic materials with different types of elec- trical conductivities are sintered within seconds at furnace temperatures much lower than those used for traditional DC flash sintering due to the higher power densities administered by a multi-phase power supply. Thus, ceramic materials are flashed at relatively lower applied voltages which minimizes un- desired phenomena such as localization and preferential current pathways. Furthermore, MPFS allows diverse electrode configurations to promote a more uniform electric field distribution, enhancing the sin- tering of 3D complex-shaped specimens. MPFS could be a true breakthrough in materials processing, as 3D complex-shaped specimens are homogeneously sintered at reduced temperatures, while keeping all the advantages of conventional flash sintering. |
Agencias financiadoras | Spanish Government Agency Ministerio de Ciencia, Innovación y Universidades and FEDER project CTQ2017–83602-C2–1-R Spanish Government Agency Ministerio de Ciencia, Innovación y Universidades and FEDER project CTQ2017–83602-C2–2-R Junta de Andalucía-Consejería de Conocimiento, Investigación y Universidad and FEDER project P18-FR-1087 Junta de Andalucía-Consejería de Conocimiento, Investigación y Universidad and FEDER project US-1262507 |
Identificador del proyecto | CTQ2017–83602-C2–1-R
CTQ2017–83602-C2–2-R P18-FR-1087 US-1262507 |
Cita | Molina-Molina, S., Gil González, E., Durán Olivencia, F.J., Valverde Millán, J.M., Perejón Pazo, A., Sánchez Jiménez, P.E. y Pérez Maqueda, L.A. (2022). A novel Multi‐Phase Flash Sintering (MPFS) technique for 3D complex‐shaped ceramics. Applied Materials Today, 26 (March), 101274. https://doi.org/10.1016/j.apmt.2021.101274. |
Ficheros | Tamaño | Formato | Ver | Descripción |
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AMT_gil-gonzalez_2022_a-novel.pdf | 2.955Mb | [PDF] | Ver/ | |