Hot deformation behavior of a ni‐based superalloy with suppressed precipitation
- Autores
- Lizzi, Franco; Pradeep, Kashyap; Stanojevic, Aleksandar; Sommadossi, Silvana Andrea; Poletti, MARIA CECILIA
- Año de publicación
- 2021
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Abstract:Inconel ® 718 is a well-known nickel-based super-alloy used for high-temperature applicationsafter thermomechanical processes followed by heat treatments. This work describes theevolution of the microstructure and the stresses during hot deformation of a prototype alloy namedIN718WP produced by powder metallurgy with similar chemical composition to the matrix ofInconel ® 718. Compression tests were performed by the thermomechanical simulator Gleeble3800 in a temperature range from 900 to 1025 °C, and strain rates scaled from 0.001 to 10 s. Flow curves of IN718WP showed similar features to those of Inconel ® 718. The relative stress softening of the IN718WP was comparable to standard alloy Inconel ® 718 for the highest strain rates. Large stress softening at low strain rates may be related to two phenomena: the fast recrystallization rate, and the coarsening of micropores driven by diffusion. Dynamic recrystallization grade and grain size were quantified using metallography. The recrystallization grade increased as the strain rate decreased, although showed less dependency on the temperature. Dynamic recrystallization occurred after the formation of deformation bands at strain rates above 0.1 s-1 and after the formation of subgrains when deforming at low strain rates. Recrystallized grains had a large number of sigma 3 boundaries, and their percentage increased with strain rate and temperature. The calculated apparent activation energy and strain rate exponent value were similar to those found for Inconel ® 718 when deforming above the solvus temperature.Keywords: ; hot deformation; Gleeble; recrystallization; flow modelling approach
Fil: Lizzi, Franco. Universidad Nacional del Comahue; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Confluencia. Instituto de Investigación En Tecnologías y Ciencias de la Ingeniería. Universidad Nacional del Comahue. Instituto de Investigación En Tecnologías y Ciencias de la Ingeniería; Argentina. Christian Doppler Laboratory for Design of High-Performance Alloys by Thermomechanical Processing; Austria
Fil: Pradeep, Kashyap. Graz University Of Technology.; Austria. Christian Doppler Laboratory for Design of High-Performance Alloys by Thermomechanical Processing; Austria
Fil: Stanojevic, Aleksandar. Voestalpine Böhler Aerospace; Austria
Fil: Sommadossi, Silvana Andrea. Universidad Nacional del Comahue; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Confluencia. Instituto de Investigación En Tecnologías y Ciencias de la Ingeniería. Universidad Nacional del Comahue. Instituto de Investigación En Tecnologías y Ciencias de la Ingeniería; Argentina
Fil: Poletti, MARIA CECILIA. Christian Doppler Laboratory for Design of High-Performance Alloys by Thermomechanical Processing; Austria. Graz University Of Technology.; Austria - Materia
-
INCONEL ® 718
HOT DEFORMATION
GLEEBLE
RECRYSTALLIZATION
FOW MODELLING APPROACH - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/170354
Ver los metadatos del registro completo
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Hot deformation behavior of a ni‐based superalloy with suppressed precipitationLizzi, FrancoPradeep, KashyapStanojevic, AleksandarSommadossi, Silvana AndreaPoletti, MARIA CECILIAINCONEL ® 718HOT DEFORMATIONGLEEBLERECRYSTALLIZATIONFOW MODELLING APPROACHhttps://purl.org/becyt/ford/2.5https://purl.org/becyt/ford/2Abstract:Inconel ® 718 is a well-known nickel-based super-alloy used for high-temperature applicationsafter thermomechanical processes followed by heat treatments. This work describes theevolution of the microstructure and the stresses during hot deformation of a prototype alloy namedIN718WP produced by powder metallurgy with similar chemical composition to the matrix ofInconel ® 718. Compression tests were performed by the thermomechanical simulator Gleeble3800 in a temperature range from 900 to 1025 °C, and strain rates scaled from 0.001 to 10 s. Flow curves of IN718WP showed similar features to those of Inconel ® 718. The relative stress softening of the IN718WP was comparable to standard alloy Inconel ® 718 for the highest strain rates. Large stress softening at low strain rates may be related to two phenomena: the fast recrystallization rate, and the coarsening of micropores driven by diffusion. Dynamic recrystallization grade and grain size were quantified using metallography. The recrystallization grade increased as the strain rate decreased, although showed less dependency on the temperature. Dynamic recrystallization occurred after the formation of deformation bands at strain rates above 0.1 s-1 and after the formation of subgrains when deforming at low strain rates. Recrystallized grains had a large number of sigma 3 boundaries, and their percentage increased with strain rate and temperature. The calculated apparent activation energy and strain rate exponent value were similar to those found for Inconel ® 718 when deforming above the solvus temperature.Keywords: ; hot deformation; Gleeble; recrystallization; flow modelling approachFil: Lizzi, Franco. Universidad Nacional del Comahue; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Confluencia. Instituto de Investigación En Tecnologías y Ciencias de la Ingeniería. Universidad Nacional del Comahue. Instituto de Investigación En Tecnologías y Ciencias de la Ingeniería; Argentina. Christian Doppler Laboratory for Design of High-Performance Alloys by Thermomechanical Processing; AustriaFil: Pradeep, Kashyap. Graz University Of Technology.; Austria. Christian Doppler Laboratory for Design of High-Performance Alloys by Thermomechanical Processing; AustriaFil: Stanojevic, Aleksandar. Voestalpine Böhler Aerospace; AustriaFil: Sommadossi, Silvana Andrea. Universidad Nacional del Comahue; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Confluencia. Instituto de Investigación En Tecnologías y Ciencias de la Ingeniería. Universidad Nacional del Comahue. Instituto de Investigación En Tecnologías y Ciencias de la Ingeniería; ArgentinaFil: Poletti, MARIA CECILIA. Christian Doppler Laboratory for Design of High-Performance Alloys by Thermomechanical Processing; Austria. Graz University Of Technology.; AustriaMultidisciplinary Digital Publishing Institute2021-04-08info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/170354Lizzi, Franco; Pradeep, Kashyap; Stanojevic, Aleksandar; Sommadossi, Silvana Andrea; Poletti, MARIA CECILIA; Hot deformation behavior of a ni‐based superalloy with suppressed precipitation; Multidisciplinary Digital Publishing Institute; Metals; 11; 4; 605; 8-4-2021; 1-182075-4701CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.mdpi.com/2075-4701/11/4/605info:eu-repo/semantics/altIdentifier/doi/10.3390/met11040605info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:41:54Zoai:ri.conicet.gov.ar:11336/170354instacron: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:34982025-09-29 09:41:54.818CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Hot deformation behavior of a ni‐based superalloy with suppressed precipitation |
title |
Hot deformation behavior of a ni‐based superalloy with suppressed precipitation |
spellingShingle |
Hot deformation behavior of a ni‐based superalloy with suppressed precipitation Lizzi, Franco INCONEL ® 718 HOT DEFORMATION GLEEBLE RECRYSTALLIZATION FOW MODELLING APPROACH |
title_short |
Hot deformation behavior of a ni‐based superalloy with suppressed precipitation |
title_full |
Hot deformation behavior of a ni‐based superalloy with suppressed precipitation |
title_fullStr |
Hot deformation behavior of a ni‐based superalloy with suppressed precipitation |
title_full_unstemmed |
Hot deformation behavior of a ni‐based superalloy with suppressed precipitation |
title_sort |
Hot deformation behavior of a ni‐based superalloy with suppressed precipitation |
dc.creator.none.fl_str_mv |
Lizzi, Franco Pradeep, Kashyap Stanojevic, Aleksandar Sommadossi, Silvana Andrea Poletti, MARIA CECILIA |
author |
Lizzi, Franco |
author_facet |
Lizzi, Franco Pradeep, Kashyap Stanojevic, Aleksandar Sommadossi, Silvana Andrea Poletti, MARIA CECILIA |
author_role |
author |
author2 |
Pradeep, Kashyap Stanojevic, Aleksandar Sommadossi, Silvana Andrea Poletti, MARIA CECILIA |
author2_role |
author author author author |
dc.subject.none.fl_str_mv |
INCONEL ® 718 HOT DEFORMATION GLEEBLE RECRYSTALLIZATION FOW MODELLING APPROACH |
topic |
INCONEL ® 718 HOT DEFORMATION GLEEBLE RECRYSTALLIZATION FOW MODELLING APPROACH |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/2.5 https://purl.org/becyt/ford/2 |
dc.description.none.fl_txt_mv |
Abstract:Inconel ® 718 is a well-known nickel-based super-alloy used for high-temperature applicationsafter thermomechanical processes followed by heat treatments. This work describes theevolution of the microstructure and the stresses during hot deformation of a prototype alloy namedIN718WP produced by powder metallurgy with similar chemical composition to the matrix ofInconel ® 718. Compression tests were performed by the thermomechanical simulator Gleeble3800 in a temperature range from 900 to 1025 °C, and strain rates scaled from 0.001 to 10 s. Flow curves of IN718WP showed similar features to those of Inconel ® 718. The relative stress softening of the IN718WP was comparable to standard alloy Inconel ® 718 for the highest strain rates. Large stress softening at low strain rates may be related to two phenomena: the fast recrystallization rate, and the coarsening of micropores driven by diffusion. Dynamic recrystallization grade and grain size were quantified using metallography. The recrystallization grade increased as the strain rate decreased, although showed less dependency on the temperature. Dynamic recrystallization occurred after the formation of deformation bands at strain rates above 0.1 s-1 and after the formation of subgrains when deforming at low strain rates. Recrystallized grains had a large number of sigma 3 boundaries, and their percentage increased with strain rate and temperature. The calculated apparent activation energy and strain rate exponent value were similar to those found for Inconel ® 718 when deforming above the solvus temperature.Keywords: ; hot deformation; Gleeble; recrystallization; flow modelling approach Fil: Lizzi, Franco. Universidad Nacional del Comahue; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Confluencia. Instituto de Investigación En Tecnologías y Ciencias de la Ingeniería. Universidad Nacional del Comahue. Instituto de Investigación En Tecnologías y Ciencias de la Ingeniería; Argentina. Christian Doppler Laboratory for Design of High-Performance Alloys by Thermomechanical Processing; Austria Fil: Pradeep, Kashyap. Graz University Of Technology.; Austria. Christian Doppler Laboratory for Design of High-Performance Alloys by Thermomechanical Processing; Austria Fil: Stanojevic, Aleksandar. Voestalpine Böhler Aerospace; Austria Fil: Sommadossi, Silvana Andrea. Universidad Nacional del Comahue; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Confluencia. Instituto de Investigación En Tecnologías y Ciencias de la Ingeniería. Universidad Nacional del Comahue. Instituto de Investigación En Tecnologías y Ciencias de la Ingeniería; Argentina Fil: Poletti, MARIA CECILIA. Christian Doppler Laboratory for Design of High-Performance Alloys by Thermomechanical Processing; Austria. Graz University Of Technology.; Austria |
description |
Abstract:Inconel ® 718 is a well-known nickel-based super-alloy used for high-temperature applicationsafter thermomechanical processes followed by heat treatments. This work describes theevolution of the microstructure and the stresses during hot deformation of a prototype alloy namedIN718WP produced by powder metallurgy with similar chemical composition to the matrix ofInconel ® 718. Compression tests were performed by the thermomechanical simulator Gleeble3800 in a temperature range from 900 to 1025 °C, and strain rates scaled from 0.001 to 10 s. Flow curves of IN718WP showed similar features to those of Inconel ® 718. The relative stress softening of the IN718WP was comparable to standard alloy Inconel ® 718 for the highest strain rates. Large stress softening at low strain rates may be related to two phenomena: the fast recrystallization rate, and the coarsening of micropores driven by diffusion. Dynamic recrystallization grade and grain size were quantified using metallography. The recrystallization grade increased as the strain rate decreased, although showed less dependency on the temperature. Dynamic recrystallization occurred after the formation of deformation bands at strain rates above 0.1 s-1 and after the formation of subgrains when deforming at low strain rates. Recrystallized grains had a large number of sigma 3 boundaries, and their percentage increased with strain rate and temperature. The calculated apparent activation energy and strain rate exponent value were similar to those found for Inconel ® 718 when deforming above the solvus temperature.Keywords: ; hot deformation; Gleeble; recrystallization; flow modelling approach |
publishDate |
2021 |
dc.date.none.fl_str_mv |
2021-04-08 |
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/11336/170354 Lizzi, Franco; Pradeep, Kashyap; Stanojevic, Aleksandar; Sommadossi, Silvana Andrea; Poletti, MARIA CECILIA; Hot deformation behavior of a ni‐based superalloy with suppressed precipitation; Multidisciplinary Digital Publishing Institute; Metals; 11; 4; 605; 8-4-2021; 1-18 2075-4701 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/170354 |
identifier_str_mv |
Lizzi, Franco; Pradeep, Kashyap; Stanojevic, Aleksandar; Sommadossi, Silvana Andrea; Poletti, MARIA CECILIA; Hot deformation behavior of a ni‐based superalloy with suppressed precipitation; Multidisciplinary Digital Publishing Institute; Metals; 11; 4; 605; 8-4-2021; 1-18 2075-4701 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.mdpi.com/2075-4701/11/4/605 info:eu-repo/semantics/altIdentifier/doi/10.3390/met11040605 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Multidisciplinary Digital Publishing Institute |
publisher.none.fl_str_mv |
Multidisciplinary Digital Publishing Institute |
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 |
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1844613321870802944 |
score |
13.070432 |