A novel Multi‐Phase Flash Sintering (MPFS) technique for 3D complex‐shaped ceramics

Molina-Molina, Sandra; Gil‐González, Eva; Durán-Olivencia, F.J.; Valverde, José Manuel García; Perejón, Antonio; Pérez‐Maqueda, Luis A.

doi:10.1016/j.apmt.2021.101274

Cited by 10 publications

(9 citation statements)

References 52 publications

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“…Since its proposal, FS has grabbed the interest of the scientific community, which has devoted an extraordinary effort to the development of the technique. For example, this technique has been extended to 3D complex-shaped specimens that go beyond the typical dog bones or disks, using a multiphase power supply and multiple electrodes [ 27 ]. Furthermore, Gil-González et al demonstrated the feasibility of employing FS to produce dense and single-phase complex oxides in a single step from their precursors [ 28 ].…”

Section: Introductionmentioning

confidence: 99%

Structural, Vibrational, and Magnetic Characterization of Orthoferrite LaFeO3 Ceramic Prepared by Reaction Flash Sintering

et al. 2023

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LaFeO3 perovskite ceramics have been prepared via reaction flash technique using Fe2O3 and La2O3 as precursors. The obtained pellets have been investigated using several techniques. The formation of LaFeO3 has been clearly confirmed by X-ray diffraction. The scanning electron microscopy micrographs have shown the microporous character of the obtained pellets due to the low temperature and dwell time used in the synthesis process (10 min at 1173 K). The orthorhombic-rhombohedral phase transition has been observed at approximately 1273 K in differential thermal analysis measurements, which also allows us to determine the Néel temperature at 742 K. The fitted Mössbauer spectra exposed the presence of a single sextet ascribed to the Fe+3 ions in the tetrahedral site. Finally, magnetic measurements at room temperature indicate the antiferromagnetic character of the sample.

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Section: Introductionmentioning

confidence: 99%

Structural, Vibrational, and Magnetic Characterization of Orthoferrite LaFeO3 Ceramic Prepared by Reaction Flash Sintering

et al. 2023

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“…This idea is already being explored at a larger scale by the company Lucideon [82] in a pilot plant. Very recently, the possibility of homogenously sintering 3D-complex shaped ceramics by the application of a three-phase power supply has been reported, giving rise to what has been named Multiphase Flash Sintering (MPFS) [83]. MPFS is presented as a feasible option to overcome the shape restrictions of conventional FS specimens.…”

Section: Resultsmentioning

confidence: 99%

Flash Sintering Research Perspective: A Bibliometric Analysis

2022

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Flash Sintering (FS), a relatively new Field-Assisted Sintering Technique (FAST) for ceramic processing, was proposed for the first time in 2010 by Prof. Rishi Raj’s group from the University of Colorado at Boulder. It quickly grabbed the attention of the scientific community and since then, the field has rapidly evolved, constituting a true milestone in materials processing with the number of publications growing year by year. Moreover, nowadays, there is already a scientific community devoted to FS. In this work, a general picture of the scientific landscape of FS is drawn by bibliometric analysis. The target sources, the most relevant documents, hot and trending topics as well as the social networking of FS are unveiled. A separate bibliometric analysis is also provided for Reaction or Reactive Flash Sintering (RFS), where not only the sintering, but also the synthesis is merged into a single step. To the best of our knowledge, this is the first study of this nature carried out in this field of research and it can constitute a useful tool for researchers to be quickly updated with FS as well as to strategize future research and publishing approaches.

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“…[32,[35][36][37] It is worth mentioning that more complex geometries have already been sintered by this method. [38,39] For instance, gear-like ceramics could be prepared by combining additive manufacturing and FS; nonetheless, grain size gradients, leading to hardness variation, along both the thickness and diameter of the specimens were observed. [38] Other complex-shaped ceramics were shown to be homogenously sintered by a multi-phase FS approach that has been recently proposed.…”

Section: Flash Sintering Overviewmentioning

confidence: 99%

“…[38] Other complex-shaped ceramics were shown to be homogenously sintered by a multi-phase FS approach that has been recently proposed. [39] More detailed comprehensive reviews of FS are presented elsewhere. [16,[40][41][42]…”

Section: Flash Sintering Overviewmentioning

confidence: 99%