Development of biomimetic NiTi alloy: influence of thermo-chemical treatment on the physical, mechanical and biological behavior

A bioactive layer, free of nickel, has been performed for its greater acceptability and reliability in clinical applications for NiTi shape memory alloys. In the first step, a safe barrier against Ni release has been produced on the surface by means of a thicker rutile/anastase protective layer free...

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Autores: Rupérez de Gracia, Elisa|||0000-0001-8845-512X, Manero Planella, José María|||0000-0002-1673-4389, Bravo González, Luis-Alberto, Espinar, Eduardo, Gil Mur, Francisco Javier|||0000-0002-6824-1412
Tipo de recurso: artículo
Fecha de publicación:2016
País:España
Institución:Universitat Politècnica de Catalunya (UPC)
Repositorio:UPCommons. Portal del coneixement obert de la UPC
Idioma:inglés
OAI Identifier:oai:upcommons.upc.edu:2117/87331
Acceso en línea:https://hdl.handle.net/2117/87331
https://dx.doi.org/10.3390/ma9060402
Access Level:acceso abierto
Palabra clave:Nickel-titanium alloys--Testing
Elasticity
Biomimetic materials
Materials--Testing
Bioactivity
NiTi alloy
Superelasticity
Shape memory effect
Biomimetic surfaces
Biomimètica
Elasticitat
Níquel -- Aliatges
Titani -- Aliatges
Assaigs de materials
Àrees temàtiques de la UPC::Enginyeria dels materials::Assaig de materials
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spelling Development of biomimetic NiTi alloy: influence of thermo-chemical treatment on the physical, mechanical and biological behaviorRupérez de Gracia, Elisa|||0000-0001-8845-512XManero Planella, José María|||0000-0002-1673-4389Bravo González, Luis-AlbertoEspinar, EduardoGil Mur, Francisco Javier|||0000-0002-6824-1412Nickel-titanium alloys--TestingElasticityBiomimetic materialsMaterials--TestingBioactivityNiTi alloySuperelasticityShape memory effectBiomimetic surfacesBiomimèticaElasticitatNíquel -- AliatgesTitani -- AliatgesAssaigs de materialsÀrees temàtiques de la UPC::Enginyeria dels materials::Assaig de materialsA bioactive layer, free of nickel, has been performed for its greater acceptability and reliability in clinical applications for NiTi shape memory alloys. In the first step, a safe barrier against Ni release has been produced on the surface by means of a thicker rutile/anastase protective layer free of nickel. In the second step, a sodium alkaline titanate hydrogel, which has the ability to induce apatite formation, has been performed from oxidized surface. An improvement of host tissue–implant integration has been achieved in terms of Ni ions release and the bioactivity of the treated NiTi alloys has been corroborated with both in vitro and in vivo studies. The transformation temperatures (As, Af, Ms, and Mf), as well as the critical stresses (sß¿M), have been slightly changed due to this surface modification. Consequently, this fact must be taken into account in order to design new surface modification on NiTi implants.20162016-06-0120162016-05-25journal articlehttp://purl.org/coar/resource_type/c_6501VoRhttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleapplication/pdfhttps://hdl.handle.net/2117/87331https://dx.doi.org/10.3390/ma9060402reponame:UPCommons. Portal del coneixement obert de la UPCinstname:Universitat Politècnica de Catalunya (UPC)Inglésengopen accesshttp://purl.org/coar/access_right/c_abf2Attribution 4.0 Internationalhttp://creativecommons.org/licenses/by/4.0/info:eu-repo/semantics/openAccessoai:upcommons.upc.edu:2117/873312026-05-27T15:37:01Z
dc.title.none.fl_str_mv Development of biomimetic NiTi alloy: influence of thermo-chemical treatment on the physical, mechanical and biological behavior
title Development of biomimetic NiTi alloy: influence of thermo-chemical treatment on the physical, mechanical and biological behavior
spellingShingle Development of biomimetic NiTi alloy: influence of thermo-chemical treatment on the physical, mechanical and biological behavior
Rupérez de Gracia, Elisa|||0000-0001-8845-512X
Nickel-titanium alloys--Testing
Elasticity
Biomimetic materials
Materials--Testing
Bioactivity
NiTi alloy
Superelasticity
Shape memory effect
Biomimetic surfaces
Biomimètica
Elasticitat
Níquel -- Aliatges
Titani -- Aliatges
Assaigs de materials
Àrees temàtiques de la UPC::Enginyeria dels materials::Assaig de materials
title_short Development of biomimetic NiTi alloy: influence of thermo-chemical treatment on the physical, mechanical and biological behavior
title_full Development of biomimetic NiTi alloy: influence of thermo-chemical treatment on the physical, mechanical and biological behavior
title_fullStr Development of biomimetic NiTi alloy: influence of thermo-chemical treatment on the physical, mechanical and biological behavior
title_full_unstemmed Development of biomimetic NiTi alloy: influence of thermo-chemical treatment on the physical, mechanical and biological behavior
title_sort Development of biomimetic NiTi alloy: influence of thermo-chemical treatment on the physical, mechanical and biological behavior
dc.creator.none.fl_str_mv Rupérez de Gracia, Elisa|||0000-0001-8845-512X
Manero Planella, José María|||0000-0002-1673-4389
Bravo González, Luis-Alberto
Espinar, Eduardo
Gil Mur, Francisco Javier|||0000-0002-6824-1412
author Rupérez de Gracia, Elisa|||0000-0001-8845-512X
author_facet Rupérez de Gracia, Elisa|||0000-0001-8845-512X
Manero Planella, José María|||0000-0002-1673-4389
Bravo González, Luis-Alberto
Espinar, Eduardo
Gil Mur, Francisco Javier|||0000-0002-6824-1412
author_role author
author2 Manero Planella, José María|||0000-0002-1673-4389
Bravo González, Luis-Alberto
Espinar, Eduardo
Gil Mur, Francisco Javier|||0000-0002-6824-1412
author2_role author
author
author
author
dc.subject.none.fl_str_mv Nickel-titanium alloys--Testing
Elasticity
Biomimetic materials
Materials--Testing
Bioactivity
NiTi alloy
Superelasticity
Shape memory effect
Biomimetic surfaces
Biomimètica
Elasticitat
Níquel -- Aliatges
Titani -- Aliatges
Assaigs de materials
Àrees temàtiques de la UPC::Enginyeria dels materials::Assaig de materials
topic Nickel-titanium alloys--Testing
Elasticity
Biomimetic materials
Materials--Testing
Bioactivity
NiTi alloy
Superelasticity
Shape memory effect
Biomimetic surfaces
Biomimètica
Elasticitat
Níquel -- Aliatges
Titani -- Aliatges
Assaigs de materials
Àrees temàtiques de la UPC::Enginyeria dels materials::Assaig de materials
description A bioactive layer, free of nickel, has been performed for its greater acceptability and reliability in clinical applications for NiTi shape memory alloys. In the first step, a safe barrier against Ni release has been produced on the surface by means of a thicker rutile/anastase protective layer free of nickel. In the second step, a sodium alkaline titanate hydrogel, which has the ability to induce apatite formation, has been performed from oxidized surface. An improvement of host tissue–implant integration has been achieved in terms of Ni ions release and the bioactivity of the treated NiTi alloys has been corroborated with both in vitro and in vivo studies. The transformation temperatures (As, Af, Ms, and Mf), as well as the critical stresses (sß¿M), have been slightly changed due to this surface modification. Consequently, this fact must be taken into account in order to design new surface modification on NiTi implants.
publishDate 2016
dc.date.none.fl_str_mv 2016
2016-06-01
2016
2016-05-25
dc.type.none.fl_str_mv journal article
http://purl.org/coar/resource_type/c_6501
VoR
http://purl.org/coar/version/c_970fb48d4fbd8a85
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv https://hdl.handle.net/2117/87331
https://dx.doi.org/10.3390/ma9060402
url https://hdl.handle.net/2117/87331
https://dx.doi.org/10.3390/ma9060402
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
Attribution 4.0 International
http://creativecommons.org/licenses/by/4.0/
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
Attribution 4.0 International
http://creativecommons.org/licenses/by/4.0/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv reponame:UPCommons. Portal del coneixement obert de la UPC
instname:Universitat Politècnica de Catalunya (UPC)
instname_str Universitat Politècnica de Catalunya (UPC)
reponame_str UPCommons. Portal del coneixement obert de la UPC
collection UPCommons. Portal del coneixement obert de la UPC
repository.name.fl_str_mv
repository.mail.fl_str_mv
_version_ 1869408851232555008
score 15,198674

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