Effect of HAP decomposition on the corrosion behavior of Ti-HAP biocomposites

Detalhes bibliográficos
Autor(a) principal: Toptan, Fatih
Data de Publicação: 2018
Outros Autores: Alves, Alexandra Manuela Vieira Cruz Pinto, Ferreira, Margarida A., da Silva Oliveira, Catarina I., Pinto, A. M. P.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
Texto Completo: http://hdl.handle.net/1822/66309
Resumo: Ti-HAP biocomposites are gained attention for combining the attractive properties of Ti and hydroxyapatite (HAP). However, the decomposition of HAP at elevated processing temperatures is a major concern since it can lead to structural flaws and may deteriorate the corrosion resistance of Ti. The present study aims to investigate the corrosion behavior of Ti-HAP composite processed by powder metallurgy by performing potentiodynamic polarization and electrochemical impedance spectroscopy in 0.9wt% NaCl solution at body temperature. Results show that the presence of Ti lowers the HAP decomposition temperatures resulting in the formation of HAP-depleted zones acting as electrochemically active sites, decreasing the corrosion resistance.
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spelling Effect of HAP decomposition on the corrosion behavior of Ti-HAP biocompositescorrosionhydroxyapatitepowder metallurgytitaniumScience & TechnologyTi-HAP biocomposites are gained attention for combining the attractive properties of Ti and hydroxyapatite (HAP). However, the decomposition of HAP at elevated processing temperatures is a major concern since it can lead to structural flaws and may deteriorate the corrosion resistance of Ti. The present study aims to investigate the corrosion behavior of Ti-HAP composite processed by powder metallurgy by performing potentiodynamic polarization and electrochemical impedance spectroscopy in 0.9wt% NaCl solution at body temperature. Results show that the presence of Ti lowers the HAP decomposition temperatures resulting in the formation of HAP-depleted zones acting as electrochemically active sites, decreasing the corrosion resistance.This study was supported by the Foundation for Science andTechnology (FCT), Portugal with the reference projects UID/EEA/04436/2013, EXCL/EMS-TEC/0460/2012, and M-ERA-NET/0001/2015, as well, by FEDER funds through the COMPETE 2020–Programa Operacional Competitividade eInternacionalização (POCI) with the reference project POCI-01-0145-FEDER-006941. The authors would also like toacknowledge Prof. Ana Senos (University of Aveiro) andProf. José Carlos Teixeira (University of Minho) for theprovision of the characterization facilities.WileyUniversidade do MinhoToptan, FatihAlves, Alexandra Manuela Vieira Cruz PintoFerreira, Margarida A.da Silva Oliveira, Catarina I.Pinto, A. M. P.20182018-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/1822/66309engToptan F, Alves AC, FerreiraMA, da Silva Oliveira CI, Pinto AM. Effect of HAPdecomposition on the corrosion behavior of Ti–HAPbiocomposites.Materials and Corrosion.2018;69:1292–1299.https://doi.org/10.1002/maco.2018100490947-511710.1002/maco.201810049info:eu-repo/semantics/openAccessreponame:Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)instname:FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologiainstacron:RCAAP2024-05-11T07:40:36Zoai:repositorium.sdum.uminho.pt:1822/66309Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireinfo@rcaap.ptopendoar:https://opendoar.ac.uk/repository/71602025-05-28T16:35:41.138766Repositórios Científicos de Acesso Aberto de Portugal (RCAAP) - FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologiafalse
dc.title.none.fl_str_mv Effect of HAP decomposition on the corrosion behavior of Ti-HAP biocomposites
title Effect of HAP decomposition on the corrosion behavior of Ti-HAP biocomposites
spellingShingle Effect of HAP decomposition on the corrosion behavior of Ti-HAP biocomposites
Toptan, Fatih
corrosion
hydroxyapatite
powder metallurgy
titanium
Science & Technology
title_short Effect of HAP decomposition on the corrosion behavior of Ti-HAP biocomposites
title_full Effect of HAP decomposition on the corrosion behavior of Ti-HAP biocomposites
title_fullStr Effect of HAP decomposition on the corrosion behavior of Ti-HAP biocomposites
title_full_unstemmed Effect of HAP decomposition on the corrosion behavior of Ti-HAP biocomposites
title_sort Effect of HAP decomposition on the corrosion behavior of Ti-HAP biocomposites
author Toptan, Fatih
author_facet Toptan, Fatih
Alves, Alexandra Manuela Vieira Cruz Pinto
Ferreira, Margarida A.
da Silva Oliveira, Catarina I.
Pinto, A. M. P.
author_role author
author2 Alves, Alexandra Manuela Vieira Cruz Pinto
Ferreira, Margarida A.
da Silva Oliveira, Catarina I.
Pinto, A. M. P.
author2_role author
author
author
author
dc.contributor.none.fl_str_mv Universidade do Minho
dc.contributor.author.fl_str_mv Toptan, Fatih
Alves, Alexandra Manuela Vieira Cruz Pinto
Ferreira, Margarida A.
da Silva Oliveira, Catarina I.
Pinto, A. M. P.
dc.subject.por.fl_str_mv corrosion
hydroxyapatite
powder metallurgy
titanium
Science & Technology
topic corrosion
hydroxyapatite
powder metallurgy
titanium
Science & Technology
description Ti-HAP biocomposites are gained attention for combining the attractive properties of Ti and hydroxyapatite (HAP). However, the decomposition of HAP at elevated processing temperatures is a major concern since it can lead to structural flaws and may deteriorate the corrosion resistance of Ti. The present study aims to investigate the corrosion behavior of Ti-HAP composite processed by powder metallurgy by performing potentiodynamic polarization and electrochemical impedance spectroscopy in 0.9wt% NaCl solution at body temperature. Results show that the presence of Ti lowers the HAP decomposition temperatures resulting in the formation of HAP-depleted zones acting as electrochemically active sites, decreasing the corrosion resistance.
publishDate 2018
dc.date.none.fl_str_mv 2018
2018-01-01T00:00:00Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://hdl.handle.net/1822/66309
url http://hdl.handle.net/1822/66309
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Toptan F, Alves AC, FerreiraMA, da Silva Oliveira CI, Pinto AM. Effect of HAPdecomposition on the corrosion behavior of Ti–HAPbiocomposites.Materials and Corrosion.2018;69:1292–1299.https://doi.org/10.1002/maco.201810049
0947-5117
10.1002/maco.201810049
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Wiley
publisher.none.fl_str_mv Wiley
dc.source.none.fl_str_mv reponame:Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
instname:FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologia
instacron:RCAAP
instname_str FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologia
instacron_str RCAAP
institution RCAAP
reponame_str Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
collection Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
repository.name.fl_str_mv Repositórios Científicos de Acesso Aberto de Portugal (RCAAP) - FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologia
repository.mail.fl_str_mv info@rcaap.pt
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