Touch-free reactive flash sintering of dense strontium hexaferrite permanent magnet
This work presents an extension of the touch-free flash sintering technique. In the proposed technique, chemical reaction and sintering occur in a single step, without the use of electrodes, in the presence of electric and magnetic fields. We show that a dense, single-phase strontium hexaferrite mag...
| Autores: | , , , , , , , |
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| Tipo de recurso: | artículo |
| Estado: | Versión aceptada para publicación |
| Fecha de publicación: | 2023 |
| País: | España |
| Institución: | Consejo Superior de Investigaciones Científicas (CSIC) |
| Repositorio: | DIGITAL.CSIC. Repositorio Institucional del CSIC |
| OAI Identifier: | oai:digital.csic.es:10261/355702 |
| Acceso en línea: | http://hdl.handle.net/10261/355702 https://api.elsevier.com/content/abstract/scopus_id/85168136207 |
| Access Level: | acceso abierto |
| Palabra clave: | Permanent magnets Reactive flash sintering Strontium ferrite Touch-free flash sintering http://vocabularies.unesco.org/thesaurus/concept640 |
| Sumario: | This work presents an extension of the touch-free flash sintering technique. In the proposed technique, chemical reaction and sintering occur in a single step, without the use of electrodes, in the presence of electric and magnetic fields. We show that a dense, single-phase strontium hexaferrite magnet can be produced from a mixture of commercial carbonate and oxide powders in a single step in a little more than a minute. This new technique implies significant reduction in energy and time consumption (primarily because of ultrafast processing) relative to conventional sintering. |
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