Study of annealing effects on structural and sorption properties of low energy mechanically alloyed AB5's

Autores
Talagañis, Basilio Andres; Esquivel, Marcelo Ricardo Oscar; Meyer, Gabriel Omar
Año de publicación
2010
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
In this work, various AB5's were mechanically alloyed using a low energy mill until final or completion milling stages were reached. This process leaves micro- and nano-structured materials with highly distorted microstructures. Then, further annealing is needed to obtain an intermetallic suitable for hydrogen thermal compression process. After milling, the samples were annealed and analyzed by X-ray diffraction and Differential Scanning Calorimetry. Hydriding properties were studied using volumetric methods. After annealing at 200 °C for 24 h no changes occur in neither structural nor hydriding properties. For samples annealed at 400 °C, relaxation effects of the structure were observed. It occurs due to the release of strain produced by annealing on the microstructure. It leads to the improvements in both structural and hydriding properties. Strong recrystallization effect was present between 400 and 600 °C. At 600 °C, the main improvements were larger crystallite size, lower strain values and pressure-composition isotherms with well-defined plateaus. Despite this behavior, no evidence of crystallization was observed by Differential Scanning Calorimetry measurements from room temperature up to 500 °C. These topics, the amount of energy supplied during mechanical alloying and the correlation between the structural and sorption properties are discussed according to the governing mechanisms of recrystallization observed in each temperature range. From these results, an improved synthesis-thermal treatment method is outlined.
Fil: Talagañis, Basilio Andres. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Instituto Balseiro; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina
Fil: Esquivel, Marcelo Ricardo Oscar. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Instituto Balseiro; Argentina. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina. Universidad Nacional del Comahue; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina
Fil: Meyer, Gabriel Omar. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Instituto Balseiro; Argentina. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina
Materia
HYDROGEN STORAGE MATERIALS
INTERMETALLICS
MECHANICAL ALLOYING
X-RAY DIFFRACTION
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/124978
Acceder
id CONICETDig_6acd64832452fed6ffb14f71cc9b3cdf
oai_identifier_str oai:ri.conicet.gov.ar:11336/124978
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Study of annealing effects on structural and sorption properties of low energy mechanically alloyed AB5'sTalagañis, Basilio AndresEsquivel, Marcelo Ricardo OscarMeyer, Gabriel OmarHYDROGEN STORAGE MATERIALSINTERMETALLICSMECHANICAL ALLOYINGX-RAY DIFFRACTIONhttps://purl.org/becyt/ford/2.5https://purl.org/becyt/ford/2In this work, various AB5's were mechanically alloyed using a low energy mill until final or completion milling stages were reached. This process leaves micro- and nano-structured materials with highly distorted microstructures. Then, further annealing is needed to obtain an intermetallic suitable for hydrogen thermal compression process. After milling, the samples were annealed and analyzed by X-ray diffraction and Differential Scanning Calorimetry. Hydriding properties were studied using volumetric methods. After annealing at 200 °C for 24 h no changes occur in neither structural nor hydriding properties. For samples annealed at 400 °C, relaxation effects of the structure were observed. It occurs due to the release of strain produced by annealing on the microstructure. It leads to the improvements in both structural and hydriding properties. Strong recrystallization effect was present between 400 and 600 °C. At 600 °C, the main improvements were larger crystallite size, lower strain values and pressure-composition isotherms with well-defined plateaus. Despite this behavior, no evidence of crystallization was observed by Differential Scanning Calorimetry measurements from room temperature up to 500 °C. These topics, the amount of energy supplied during mechanical alloying and the correlation between the structural and sorption properties are discussed according to the governing mechanisms of recrystallization observed in each temperature range. From these results, an improved synthesis-thermal treatment method is outlined.Fil: Talagañis, Basilio Andres. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Instituto Balseiro; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; ArgentinaFil: Esquivel, Marcelo Ricardo Oscar. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Instituto Balseiro; Argentina. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina. Universidad Nacional del Comahue; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; ArgentinaFil: Meyer, Gabriel Omar. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Instituto Balseiro; Argentina. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; ArgentinaElsevier Science SA2010-04-16info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/124978Talagañis, Basilio Andres; Esquivel, Marcelo Ricardo Oscar; Meyer, Gabriel Omar; Study of annealing effects on structural and sorption properties of low energy mechanically alloyed AB5's; Elsevier Science SA; Journal of Alloys and Compounds; 495; 2; 16-4-2010; 541-5440925-8388CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0925838809022488info:eu-repo/semantics/altIdentifier/doi/10.1016/j.jallcom.2009.10.248info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-03T09:58:26Zoai:ri.conicet.gov.ar:11336/124978instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-03 09:58:26.926CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Study of annealing effects on structural and sorption properties of low energy mechanically alloyed AB5's
title Study of annealing effects on structural and sorption properties of low energy mechanically alloyed AB5's
spellingShingle Study of annealing effects on structural and sorption properties of low energy mechanically alloyed AB5's
Talagañis, Basilio Andres
HYDROGEN STORAGE MATERIALS
INTERMETALLICS
MECHANICAL ALLOYING
X-RAY DIFFRACTION
title_short Study of annealing effects on structural and sorption properties of low energy mechanically alloyed AB5's
title_full Study of annealing effects on structural and sorption properties of low energy mechanically alloyed AB5's
title_fullStr Study of annealing effects on structural and sorption properties of low energy mechanically alloyed AB5's
title_full_unstemmed Study of annealing effects on structural and sorption properties of low energy mechanically alloyed AB5's
title_sort Study of annealing effects on structural and sorption properties of low energy mechanically alloyed AB5's
dc.creator.none.fl_str_mv Talagañis, Basilio Andres
Esquivel, Marcelo Ricardo Oscar
Meyer, Gabriel Omar
author Talagañis, Basilio Andres
author_facet Talagañis, Basilio Andres
Esquivel, Marcelo Ricardo Oscar
Meyer, Gabriel Omar
author_role author
author2 Esquivel, Marcelo Ricardo Oscar
Meyer, Gabriel Omar
author2_role author
author
dc.subject.none.fl_str_mv HYDROGEN STORAGE MATERIALS
INTERMETALLICS
MECHANICAL ALLOYING
X-RAY DIFFRACTION
topic HYDROGEN STORAGE MATERIALS
INTERMETALLICS
MECHANICAL ALLOYING
X-RAY DIFFRACTION
purl_subject.fl_str_mv https://purl.org/becyt/ford/2.5
https://purl.org/becyt/ford/2
dc.description.none.fl_txt_mv In this work, various AB5's were mechanically alloyed using a low energy mill until final or completion milling stages were reached. This process leaves micro- and nano-structured materials with highly distorted microstructures. Then, further annealing is needed to obtain an intermetallic suitable for hydrogen thermal compression process. After milling, the samples were annealed and analyzed by X-ray diffraction and Differential Scanning Calorimetry. Hydriding properties were studied using volumetric methods. After annealing at 200 °C for 24 h no changes occur in neither structural nor hydriding properties. For samples annealed at 400 °C, relaxation effects of the structure were observed. It occurs due to the release of strain produced by annealing on the microstructure. It leads to the improvements in both structural and hydriding properties. Strong recrystallization effect was present between 400 and 600 °C. At 600 °C, the main improvements were larger crystallite size, lower strain values and pressure-composition isotherms with well-defined plateaus. Despite this behavior, no evidence of crystallization was observed by Differential Scanning Calorimetry measurements from room temperature up to 500 °C. These topics, the amount of energy supplied during mechanical alloying and the correlation between the structural and sorption properties are discussed according to the governing mechanisms of recrystallization observed in each temperature range. From these results, an improved synthesis-thermal treatment method is outlined.
Fil: Talagañis, Basilio Andres. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Instituto Balseiro; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina
Fil: Esquivel, Marcelo Ricardo Oscar. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Instituto Balseiro; Argentina. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina. Universidad Nacional del Comahue; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina
Fil: Meyer, Gabriel Omar. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Instituto Balseiro; Argentina. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina
description In this work, various AB5's were mechanically alloyed using a low energy mill until final or completion milling stages were reached. This process leaves micro- and nano-structured materials with highly distorted microstructures. Then, further annealing is needed to obtain an intermetallic suitable for hydrogen thermal compression process. After milling, the samples were annealed and analyzed by X-ray diffraction and Differential Scanning Calorimetry. Hydriding properties were studied using volumetric methods. After annealing at 200 °C for 24 h no changes occur in neither structural nor hydriding properties. For samples annealed at 400 °C, relaxation effects of the structure were observed. It occurs due to the release of strain produced by annealing on the microstructure. It leads to the improvements in both structural and hydriding properties. Strong recrystallization effect was present between 400 and 600 °C. At 600 °C, the main improvements were larger crystallite size, lower strain values and pressure-composition isotherms with well-defined plateaus. Despite this behavior, no evidence of crystallization was observed by Differential Scanning Calorimetry measurements from room temperature up to 500 °C. These topics, the amount of energy supplied during mechanical alloying and the correlation between the structural and sorption properties are discussed according to the governing mechanisms of recrystallization observed in each temperature range. From these results, an improved synthesis-thermal treatment method is outlined.
publishDate 2010
dc.date.none.fl_str_mv 2010-04-16
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/124978
Talagañis, Basilio Andres; Esquivel, Marcelo Ricardo Oscar; Meyer, Gabriel Omar; Study of annealing effects on structural and sorption properties of low energy mechanically alloyed AB5's; Elsevier Science SA; Journal of Alloys and Compounds; 495; 2; 16-4-2010; 541-544
0925-8388
CONICET Digital
CONICET
url http://hdl.handle.net/11336/124978
identifier_str_mv Talagañis, Basilio Andres; Esquivel, Marcelo Ricardo Oscar; Meyer, Gabriel Omar; Study of annealing effects on structural and sorption properties of low energy mechanically alloyed AB5's; Elsevier Science SA; Journal of Alloys and Compounds; 495; 2; 16-4-2010; 541-544
0925-8388
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0925838809022488
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.jallcom.2009.10.248
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
application/pdf
application/pdf
dc.publisher.none.fl_str_mv Elsevier Science SA
publisher.none.fl_str_mv Elsevier Science SA
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
_version_ 1842269520127852544
score 13.13397

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