Novel processing route for the fabrication of bulk high-entropy metal diborides

A single high-entropy phase material with hexagonal structure is produced by a two-steps processing method. Elemental reactants are first remarkably converted by Self-propagating High-temperature Synthesis (SHS). The completion of the chemical transformation to the desired (Hf0.2Mo0.2Ta0.2Nb0.2Ti0.2...

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Detalles Bibliográficos
Autores: Tallarita, Giovanna, Licheri, Roberta, Garroni, Sebastiano, Orrù, Roberto, Cao, Giacomo
Tipo de recurso: artículo
Estado:Versión aceptada para publicación
Fecha de publicación:2019
País:España
Institución:Universidad de Burgos (UBU)
Repositorio:Repositorio Institucional de la Universidad de Burgos (RIUBU)
OAI Identifier:oai:riubu.ubu.es:10259/5777
Acceso en línea:http://hdl.handle.net/10259/5777
Access Level:acceso abierto
Palabra clave:High-entropy ceramics
Borides
Spark Plasma Sintering
Self-propagating High-temperature Synthesis
X-ray diffraction (XRD)
Materiales
Materials
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spelling Novel processing route for the fabrication of bulk high-entropy metal diboridesTallarita, GiovannaLicheri, RobertaGarroni, SebastianoOrrù, RobertoCao, GiacomoHigh-entropy ceramicsBoridesSpark Plasma SinteringSelf-propagating High-temperature SynthesisX-ray diffraction (XRD)MaterialesMaterialsA single high-entropy phase material with hexagonal structure is produced by a two-steps processing method. Elemental reactants are first remarkably converted by Self-propagating High-temperature Synthesis (SHS). The completion of the chemical transformation to the desired (Hf0.2Mo0.2Ta0.2Nb0.2Ti0.2)B2 phase and its concurrent consolidation up to 92.5% relative density is achieved by processing the SHS powders at 1950 °C via Spark Plasma Sintering. It is clearly evidenced that the use of the SHS technique is extremely beneficial to promote the formation of high-entropy ceramics, as compared to the time consuming ball milling treatment alternatively adopted.Elsevier202120212019info:eu-repo/semantics/articleinfo:eu-repo/semantics/acceptedVersionapplication/pdfhttp://hdl.handle.net/10259/5777reponame:Repositorio Institucional de la Universidad de Burgos (RIUBU)instname:Universidad de Burgos (UBU)InglésScripta Materialia. 2019, V. 158, p. 100-104https://doi.org/10.1016/j.scriptamat.2018.08.039Attribution-NonCommercial-NoDerivatives 4.0 Internacionalhttp://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccessoai:riubu.ubu.es:10259/57772026-05-28T07:56:11Z
dc.title.none.fl_str_mv Novel processing route for the fabrication of bulk high-entropy metal diborides
title Novel processing route for the fabrication of bulk high-entropy metal diborides
spellingShingle Novel processing route for the fabrication of bulk high-entropy metal diborides
Tallarita, Giovanna
High-entropy ceramics
Borides
Spark Plasma Sintering
Self-propagating High-temperature Synthesis
X-ray diffraction (XRD)
Materiales
Materials
title_short Novel processing route for the fabrication of bulk high-entropy metal diborides
title_full Novel processing route for the fabrication of bulk high-entropy metal diborides
title_fullStr Novel processing route for the fabrication of bulk high-entropy metal diborides
title_full_unstemmed Novel processing route for the fabrication of bulk high-entropy metal diborides
title_sort Novel processing route for the fabrication of bulk high-entropy metal diborides
dc.creator.none.fl_str_mv Tallarita, Giovanna
Licheri, Roberta
Garroni, Sebastiano
Orrù, Roberto
Cao, Giacomo
author Tallarita, Giovanna
author_facet Tallarita, Giovanna
Licheri, Roberta
Garroni, Sebastiano
Orrù, Roberto
Cao, Giacomo
author_role author
author2 Licheri, Roberta
Garroni, Sebastiano
Orrù, Roberto
Cao, Giacomo
author2_role author
author
author
author
dc.subject.none.fl_str_mv High-entropy ceramics
Borides
Spark Plasma Sintering
Self-propagating High-temperature Synthesis
X-ray diffraction (XRD)
Materiales
Materials
topic High-entropy ceramics
Borides
Spark Plasma Sintering
Self-propagating High-temperature Synthesis
X-ray diffraction (XRD)
Materiales
Materials
description A single high-entropy phase material with hexagonal structure is produced by a two-steps processing method. Elemental reactants are first remarkably converted by Self-propagating High-temperature Synthesis (SHS). The completion of the chemical transformation to the desired (Hf0.2Mo0.2Ta0.2Nb0.2Ti0.2)B2 phase and its concurrent consolidation up to 92.5% relative density is achieved by processing the SHS powders at 1950 °C via Spark Plasma Sintering. It is clearly evidenced that the use of the SHS technique is extremely beneficial to promote the formation of high-entropy ceramics, as compared to the time consuming ball milling treatment alternatively adopted.
publishDate 2019
dc.date.none.fl_str_mv 2019
2021
2021
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/acceptedVersion
format article
status_str acceptedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10259/5777
url http://hdl.handle.net/10259/5777
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Scripta Materialia. 2019, V. 158, p. 100-104
https://doi.org/10.1016/j.scriptamat.2018.08.039
dc.rights.none.fl_str_mv Attribution-NonCommercial-NoDerivatives 4.0 Internacional
http://creativecommons.org/licenses/by-nc-nd/4.0/
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Attribution-NonCommercial-NoDerivatives 4.0 Internacional
http://creativecommons.org/licenses/by-nc-nd/4.0/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:Repositorio Institucional de la Universidad de Burgos (RIUBU)
instname:Universidad de Burgos (UBU)
instname_str Universidad de Burgos (UBU)
reponame_str Repositorio Institucional de la Universidad de Burgos (RIUBU)
collection Repositorio Institucional de la Universidad de Burgos (RIUBU)
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,300719

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