Pseudoelasticity of Cu–Al–Be single crystals: Unexpected mechanical behavior

Autores
Sade Lichtmann, Marcos Leonel; Yawny, Alejandro Andres; Lovey, F. C.; Torra, V.
Año de publicación
2011
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The pseudoelastic behavior of Cu–Al–Be single crystals shape memory alloys was analyzed in the temperature range from 303 K to 393 K. Tensile tests performed at slow crosshead speed show a dependence of the hysteresis associated to the stress induced -18R transformation with temperature. The critical stresses of the -18R transition have been determined giving a negative curvature parabolic dependence on temperature. The effect is more noticeable for the retransformation stress and a consequent increment in the stress hysteresis with temperature is observed. The deformation associated to the stress induced -18R transition has also been found to depend on temperature. These singular features associated with the pseudoelastic behavior of Cu–Al–Be single crystals have been rationalized in terms of a structural distortion of the 18R martensite that has been found to occur in the considered temperature range. The strain associated to the structural distortion was determined as well as the dependence of its critical stress on temperature. The resulting entropy change was thus calculated, resulting fifty times smaller than the entropy change between the bcc parent phase and 18R. The possible mechanisms responsible of this structural distortion of the 18R structure are discussed.
Fil: Sade Lichtmann, Marcos Leonel. Comision Nacional de Energía Atómica. Gerencia de Área Investigaciones y Aplicaciones no Nucleares. Gerencia de Física (Centro Atómico Bariloche). División Física de Metales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina
Fil: Yawny, Alejandro Andres. Comision Nacional de Energía Atómica. Gerencia de Área Investigaciones y Aplicaciones no Nucleares. Gerencia de Física (Centro Atómico Bariloche). División Física de Metales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina
Fil: Lovey, F. C.. Comision Nacional de Energía Atómica. Gerencia de Área Investigaciones y Aplicaciones no Nucleares. Gerencia de Física (Centro Atómico Bariloche). División Física de Metales; Argentina
Fil: Torra, V.. Comision Nacional de Energía Atómica. Gerencia de Área Investigaciones y Aplicaciones no Nucleares. Gerencia de Física (Centro Atómico Bariloche). División Física de Metales; Argentina
Materia
Shape memory alloys
Mechanical characterization
Martensitic transformations
Phase transformation
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:11336/277612
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/277612
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Pseudoelasticity of Cu–Al–Be single crystals: Unexpected mechanical behaviorSade Lichtmann, Marcos LeonelYawny, Alejandro AndresLovey, F. C.Torra, V.Shape memory alloysMechanical characterizationMartensitic transformationsPhase transformationhttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1The pseudoelastic behavior of Cu–Al–Be single crystals shape memory alloys was analyzed in the temperature range from 303 K to 393 K. Tensile tests performed at slow crosshead speed show a dependence of the hysteresis associated to the stress induced -18R transformation with temperature. The critical stresses of the -18R transition have been determined giving a negative curvature parabolic dependence on temperature. The effect is more noticeable for the retransformation stress and a consequent increment in the stress hysteresis with temperature is observed. The deformation associated to the stress induced -18R transition has also been found to depend on temperature. These singular features associated with the pseudoelastic behavior of Cu–Al–Be single crystals have been rationalized in terms of a structural distortion of the 18R martensite that has been found to occur in the considered temperature range. The strain associated to the structural distortion was determined as well as the dependence of its critical stress on temperature. The resulting entropy change was thus calculated, resulting fifty times smaller than the entropy change between the bcc parent phase and 18R. The possible mechanisms responsible of this structural distortion of the 18R structure are discussed.Fil: Sade Lichtmann, Marcos Leonel. Comision Nacional de Energía Atómica. Gerencia de Área Investigaciones y Aplicaciones no Nucleares. Gerencia de Física (Centro Atómico Bariloche). División Física de Metales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; ArgentinaFil: Yawny, Alejandro Andres. Comision Nacional de Energía Atómica. Gerencia de Área Investigaciones y Aplicaciones no Nucleares. Gerencia de Física (Centro Atómico Bariloche). División Física de Metales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; ArgentinaFil: Lovey, F. C.. Comision Nacional de Energía Atómica. Gerencia de Área Investigaciones y Aplicaciones no Nucleares. Gerencia de Física (Centro Atómico Bariloche). División Física de Metales; ArgentinaFil: Torra, V.. Comision Nacional de Energía Atómica. Gerencia de Área Investigaciones y Aplicaciones no Nucleares. Gerencia de Física (Centro Atómico Bariloche). División Física de Metales; ArgentinaElsevier Science SA2011-07info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/277612Sade Lichtmann, Marcos Leonel; Yawny, Alejandro Andres; Lovey, F. C.; Torra, V.; Pseudoelasticity of Cu–Al–Be single crystals: Unexpected mechanical behavior; Elsevier Science SA; Materials Science and Engineering A: Structural Materials: Properties, Microstructure and Processing; 528; 27; 7-2011; 7871-78770921-5093CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/abs/pii/S0921509311008008info:eu-repo/semantics/altIdentifier/doi/10.1016/j.msea.2011.07.021info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-12-17T14:35:24Zoai:ri.conicet.gov.ar:11336/277612instacron: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:34982025-12-17 14:35:24.794CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Pseudoelasticity of Cu–Al–Be single crystals: Unexpected mechanical behavior
title Pseudoelasticity of Cu–Al–Be single crystals: Unexpected mechanical behavior
spellingShingle Pseudoelasticity of Cu–Al–Be single crystals: Unexpected mechanical behavior
Sade Lichtmann, Marcos Leonel
Shape memory alloys
Mechanical characterization
Martensitic transformations
Phase transformation
title_short Pseudoelasticity of Cu–Al–Be single crystals: Unexpected mechanical behavior
title_full Pseudoelasticity of Cu–Al–Be single crystals: Unexpected mechanical behavior
title_fullStr Pseudoelasticity of Cu–Al–Be single crystals: Unexpected mechanical behavior
title_full_unstemmed Pseudoelasticity of Cu–Al–Be single crystals: Unexpected mechanical behavior
title_sort Pseudoelasticity of Cu–Al–Be single crystals: Unexpected mechanical behavior
dc.creator.none.fl_str_mv Sade Lichtmann, Marcos Leonel
Yawny, Alejandro Andres
Lovey, F. C.
Torra, V.
author Sade Lichtmann, Marcos Leonel
author_facet Sade Lichtmann, Marcos Leonel
Yawny, Alejandro Andres
Lovey, F. C.
Torra, V.
author_role author
author2 Yawny, Alejandro Andres
Lovey, F. C.
Torra, V.
author2_role author
author
author
dc.subject.none.fl_str_mv Shape memory alloys
Mechanical characterization
Martensitic transformations
Phase transformation
topic Shape memory alloys
Mechanical characterization
Martensitic transformations
Phase transformation
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.3
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv The pseudoelastic behavior of Cu–Al–Be single crystals shape memory alloys was analyzed in the temperature range from 303 K to 393 K. Tensile tests performed at slow crosshead speed show a dependence of the hysteresis associated to the stress induced -18R transformation with temperature. The critical stresses of the -18R transition have been determined giving a negative curvature parabolic dependence on temperature. The effect is more noticeable for the retransformation stress and a consequent increment in the stress hysteresis with temperature is observed. The deformation associated to the stress induced -18R transition has also been found to depend on temperature. These singular features associated with the pseudoelastic behavior of Cu–Al–Be single crystals have been rationalized in terms of a structural distortion of the 18R martensite that has been found to occur in the considered temperature range. The strain associated to the structural distortion was determined as well as the dependence of its critical stress on temperature. The resulting entropy change was thus calculated, resulting fifty times smaller than the entropy change between the bcc parent phase and 18R. The possible mechanisms responsible of this structural distortion of the 18R structure are discussed.
Fil: Sade Lichtmann, Marcos Leonel. Comision Nacional de Energía Atómica. Gerencia de Área Investigaciones y Aplicaciones no Nucleares. Gerencia de Física (Centro Atómico Bariloche). División Física de Metales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina
Fil: Yawny, Alejandro Andres. Comision Nacional de Energía Atómica. Gerencia de Área Investigaciones y Aplicaciones no Nucleares. Gerencia de Física (Centro Atómico Bariloche). División Física de Metales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina
Fil: Lovey, F. C.. Comision Nacional de Energía Atómica. Gerencia de Área Investigaciones y Aplicaciones no Nucleares. Gerencia de Física (Centro Atómico Bariloche). División Física de Metales; Argentina
Fil: Torra, V.. Comision Nacional de Energía Atómica. Gerencia de Área Investigaciones y Aplicaciones no Nucleares. Gerencia de Física (Centro Atómico Bariloche). División Física de Metales; Argentina
description The pseudoelastic behavior of Cu–Al–Be single crystals shape memory alloys was analyzed in the temperature range from 303 K to 393 K. Tensile tests performed at slow crosshead speed show a dependence of the hysteresis associated to the stress induced -18R transformation with temperature. The critical stresses of the -18R transition have been determined giving a negative curvature parabolic dependence on temperature. The effect is more noticeable for the retransformation stress and a consequent increment in the stress hysteresis with temperature is observed. The deformation associated to the stress induced -18R transition has also been found to depend on temperature. These singular features associated with the pseudoelastic behavior of Cu–Al–Be single crystals have been rationalized in terms of a structural distortion of the 18R martensite that has been found to occur in the considered temperature range. The strain associated to the structural distortion was determined as well as the dependence of its critical stress on temperature. The resulting entropy change was thus calculated, resulting fifty times smaller than the entropy change between the bcc parent phase and 18R. The possible mechanisms responsible of this structural distortion of the 18R structure are discussed.
publishDate 2011
dc.date.none.fl_str_mv 2011-07
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/11336/277612
Sade Lichtmann, Marcos Leonel; Yawny, Alejandro Andres; Lovey, F. C.; Torra, V.; Pseudoelasticity of Cu–Al–Be single crystals: Unexpected mechanical behavior; Elsevier Science SA; Materials Science and Engineering A: Structural Materials: Properties, Microstructure and Processing; 528; 27; 7-2011; 7871-7877
0921-5093
CONICET Digital
CONICET
url http://hdl.handle.net/11336/277612
identifier_str_mv Sade Lichtmann, Marcos Leonel; Yawny, Alejandro Andres; Lovey, F. C.; Torra, V.; Pseudoelasticity of Cu–Al–Be single crystals: Unexpected mechanical behavior; Elsevier Science SA; Materials Science and Engineering A: Structural Materials: Properties, Microstructure and Processing; 528; 27; 7-2011; 7871-7877
0921-5093
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/abs/pii/S0921509311008008
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.msea.2011.07.021
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 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_ 1851852329314156544
score 13.176297

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