NbC transformation during aging in HP40-Nb heat resistant alloy

Autores
Sosa Lissarrague, Matías Humberto; Lanz, César Armando
Año de publicación
2022
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
In this work, the evolution of MC-type Nb-rich primary carbides in a 35Ni-25Cr-Nb-type refractory alloy, commonly known as HP40-Nb, and its transformation into Ni-Nb silicide known as G-phase (Ni16Nb6Si7), has been studied. For this purpose, the exper-imental technique of scanning electron microscopy was used together with X-ray microanalysis to detect changes in the chemical composition of niobium carbide over time and at a given aging temperature. The microstructure of the studied alloy, in its as-cast condition, consists of an austenitic matrix strengthened by a network of primary eutectic-like carbides rich in chromium and niobi-um of the M23C6 and MC types, respectively. During aging of the alloy at high temperatures, microstructural changes take place such as the secondary precipitation of M23C6 type carbides and the transformation of the primary Nb-rich carbide towards the Ni-Nb-rich silicide. It has been found that the transformation begins at the interface of the niobium carbides with the matrix, progress-ing towards their interior with the development of aging.
Fil: Sosa Lissarrague, Matías Humberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto de Física del Sur. Universidad Nacional del Sur. Departamento de Física. Instituto de Física del Sur; Argentina. Universidad Nacional del Sur. Departamento de Ingeniería. Laboratorio de Metalurgia y Tecnología Mecánica; Argentina
Fil: Lanz, César Armando. Universidad Nacional del Sur. Departamento de Ingeniería. Laboratorio de Metalurgia y Tecnología Mecánica; Argentina
Materia
heat resistant alloys
HP40-Nb
G-phase
NbC
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:11336/204365
Acceder
id CONICETDig_fbf7c4054eb62dba63f0c94f16385d6d
oai_identifier_str oai:ri.conicet.gov.ar:11336/204365
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling NbC transformation during aging in HP40-Nb heat resistant alloySosa Lissarrague, Matías HumbertoLanz, César Armandoheat resistant alloysHP40-NbG-phaseNbChttps://purl.org/becyt/ford/2.5https://purl.org/becyt/ford/2In this work, the evolution of MC-type Nb-rich primary carbides in a 35Ni-25Cr-Nb-type refractory alloy, commonly known as HP40-Nb, and its transformation into Ni-Nb silicide known as G-phase (Ni16Nb6Si7), has been studied. For this purpose, the exper-imental technique of scanning electron microscopy was used together with X-ray microanalysis to detect changes in the chemical composition of niobium carbide over time and at a given aging temperature. The microstructure of the studied alloy, in its as-cast condition, consists of an austenitic matrix strengthened by a network of primary eutectic-like carbides rich in chromium and niobi-um of the M23C6 and MC types, respectively. During aging of the alloy at high temperatures, microstructural changes take place such as the secondary precipitation of M23C6 type carbides and the transformation of the primary Nb-rich carbide towards the Ni-Nb-rich silicide. It has been found that the transformation begins at the interface of the niobium carbides with the matrix, progress-ing towards their interior with the development of aging.Fil: Sosa Lissarrague, Matías Humberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto de Física del Sur. Universidad Nacional del Sur. Departamento de Física. Instituto de Física del Sur; Argentina. Universidad Nacional del Sur. Departamento de Ingeniería. Laboratorio de Metalurgia y Tecnología Mecánica; ArgentinaFil: Lanz, César Armando. Universidad Nacional del Sur. Departamento de Ingeniería. Laboratorio de Metalurgia y Tecnología Mecánica; ArgentinaSCICell2022-09-24info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/204365Sosa Lissarrague, Matías Humberto; Lanz, César Armando; NbC transformation during aging in HP40-Nb heat resistant alloy; SCICell; Acta Metallurgica Slovaca; 28; 3; 24-9-2022; 147-1501335-1532CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.36547/ams.28.3.1562info:eu-repo/semantics/altIdentifier/url/https://journals.scicell.org/index.php/AMS/article/view/1562info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-03T10:06:32Zoai:ri.conicet.gov.ar:11336/204365instacron: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 10:06:33.141CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv NbC transformation during aging in HP40-Nb heat resistant alloy
title NbC transformation during aging in HP40-Nb heat resistant alloy
spellingShingle NbC transformation during aging in HP40-Nb heat resistant alloy
Sosa Lissarrague, Matías Humberto
heat resistant alloys
HP40-Nb
G-phase
NbC
title_short NbC transformation during aging in HP40-Nb heat resistant alloy
title_full NbC transformation during aging in HP40-Nb heat resistant alloy
title_fullStr NbC transformation during aging in HP40-Nb heat resistant alloy
title_full_unstemmed NbC transformation during aging in HP40-Nb heat resistant alloy
title_sort NbC transformation during aging in HP40-Nb heat resistant alloy
dc.creator.none.fl_str_mv Sosa Lissarrague, Matías Humberto
Lanz, César Armando
author Sosa Lissarrague, Matías Humberto
author_facet Sosa Lissarrague, Matías Humberto
Lanz, César Armando
author_role author
author2 Lanz, César Armando
author2_role author
dc.subject.none.fl_str_mv heat resistant alloys
HP40-Nb
G-phase
NbC
topic heat resistant alloys
HP40-Nb
G-phase
NbC
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, the evolution of MC-type Nb-rich primary carbides in a 35Ni-25Cr-Nb-type refractory alloy, commonly known as HP40-Nb, and its transformation into Ni-Nb silicide known as G-phase (Ni16Nb6Si7), has been studied. For this purpose, the exper-imental technique of scanning electron microscopy was used together with X-ray microanalysis to detect changes in the chemical composition of niobium carbide over time and at a given aging temperature. The microstructure of the studied alloy, in its as-cast condition, consists of an austenitic matrix strengthened by a network of primary eutectic-like carbides rich in chromium and niobi-um of the M23C6 and MC types, respectively. During aging of the alloy at high temperatures, microstructural changes take place such as the secondary precipitation of M23C6 type carbides and the transformation of the primary Nb-rich carbide towards the Ni-Nb-rich silicide. It has been found that the transformation begins at the interface of the niobium carbides with the matrix, progress-ing towards their interior with the development of aging.
Fil: Sosa Lissarrague, Matías Humberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto de Física del Sur. Universidad Nacional del Sur. Departamento de Física. Instituto de Física del Sur; Argentina. Universidad Nacional del Sur. Departamento de Ingeniería. Laboratorio de Metalurgia y Tecnología Mecánica; Argentina
Fil: Lanz, César Armando. Universidad Nacional del Sur. Departamento de Ingeniería. Laboratorio de Metalurgia y Tecnología Mecánica; Argentina
description In this work, the evolution of MC-type Nb-rich primary carbides in a 35Ni-25Cr-Nb-type refractory alloy, commonly known as HP40-Nb, and its transformation into Ni-Nb silicide known as G-phase (Ni16Nb6Si7), has been studied. For this purpose, the exper-imental technique of scanning electron microscopy was used together with X-ray microanalysis to detect changes in the chemical composition of niobium carbide over time and at a given aging temperature. The microstructure of the studied alloy, in its as-cast condition, consists of an austenitic matrix strengthened by a network of primary eutectic-like carbides rich in chromium and niobi-um of the M23C6 and MC types, respectively. During aging of the alloy at high temperatures, microstructural changes take place such as the secondary precipitation of M23C6 type carbides and the transformation of the primary Nb-rich carbide towards the Ni-Nb-rich silicide. It has been found that the transformation begins at the interface of the niobium carbides with the matrix, progress-ing towards their interior with the development of aging.
publishDate 2022
dc.date.none.fl_str_mv 2022-09-24
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/11336/204365
Sosa Lissarrague, Matías Humberto; Lanz, César Armando; NbC transformation during aging in HP40-Nb heat resistant alloy; SCICell; Acta Metallurgica Slovaca; 28; 3; 24-9-2022; 147-150
1335-1532
CONICET Digital
CONICET
url http://hdl.handle.net/11336/204365
identifier_str_mv Sosa Lissarrague, Matías Humberto; Lanz, César Armando; NbC transformation during aging in HP40-Nb heat resistant alloy; SCICell; Acta Metallurgica Slovaca; 28; 3; 24-9-2022; 147-150
1335-1532
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.36547/ams.28.3.1562
info:eu-repo/semantics/altIdentifier/url/https://journals.scicell.org/index.php/AMS/article/view/1562
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
dc.publisher.none.fl_str_mv SCICell
publisher.none.fl_str_mv SCICell
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_ 1842269963331567616
score 13.13397

Publicaciones similares