Properties and Performance of Ultrafine Grained Titanium for Biomedical Applications

The use of materials for biomedical applications has become vital to enhance the quality of life and longevity of human beings. Commercially pure titanium (cpTi) and titanium alloys are the most adequate materials for some biomedical applications, but cpTi and the Ti-6Al-4V alloy (Ti G5) have limita...

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Main Authors: Daniel Jogaib Fernandes, Carlos Nelson Elias, Ruslan Zufarovich Valiev
Format: Article
Language:English
Published: Associação Brasileira de Metalurgia e Materiais (ABM); Associação Brasileira de Cerâmica (ABC); Associação Brasileira de Polímeros (ABPol) 2015-11-01
Series:Materials Research
Subjects:
Online Access:http://www.scielo.br/pdf/mr/v18n6/1516-1439-mr-1516-1439005615.pdf
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author Daniel Jogaib Fernandes
Carlos Nelson Elias
Ruslan Zufarovich Valiev
author_facet Daniel Jogaib Fernandes
Carlos Nelson Elias
Ruslan Zufarovich Valiev
author_sort Daniel Jogaib Fernandes
collection DOAJ
description The use of materials for biomedical applications has become vital to enhance the quality of life and longevity of human beings. Commercially pure titanium (cpTi) and titanium alloys are the most adequate materials for some biomedical applications, but cpTi and the Ti-6Al-4V alloy (Ti G5) have limitations for biomedical application due to low mechanical strength and the possibility of ion release, respectively. In order to address this problem, commercially pure ultrafine grained titanium (UFG Ti) obtained by severe plastic deformation (SPD) has been suggested as a promising alternative for biomedical applications. This thermomechanical process is able to improve the strength of cpTi and titanium alloys while keeping their excellent biocompatibility. The purpose of this review was to compare the mechanical strength of UFG Ti, cpTi and a Ti G5 alloy. In addition, the biological performance of UFG Ti was also evaluated by in vivo testing. Prodigious improvements were seen in surface topography, wettability and in homogeneity of oxide layer. The overall improvements in microstructure provided by ECAP technique coupled with surface etching resulted in a remarkable performance of cpTi alloy for biomedical applications.
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spelling doaj.art-d6fbd559b7e9490ab9c1a17a4c72a5ab2022-12-22T04:16:43ZengAssociação Brasileira de Metalurgia e Materiais (ABM); Associação Brasileira de Cerâmica (ABC); Associação Brasileira de Polímeros (ABPol)Materials Research1516-14392015-11-011861163117510.1590/1516-1439.005615Properties and Performance of Ultrafine Grained Titanium for Biomedical ApplicationsDaniel Jogaib FernandesCarlos Nelson EliasRuslan Zufarovich ValievThe use of materials for biomedical applications has become vital to enhance the quality of life and longevity of human beings. Commercially pure titanium (cpTi) and titanium alloys are the most adequate materials for some biomedical applications, but cpTi and the Ti-6Al-4V alloy (Ti G5) have limitations for biomedical application due to low mechanical strength and the possibility of ion release, respectively. In order to address this problem, commercially pure ultrafine grained titanium (UFG Ti) obtained by severe plastic deformation (SPD) has been suggested as a promising alternative for biomedical applications. This thermomechanical process is able to improve the strength of cpTi and titanium alloys while keeping their excellent biocompatibility. The purpose of this review was to compare the mechanical strength of UFG Ti, cpTi and a Ti G5 alloy. In addition, the biological performance of UFG Ti was also evaluated by in vivo testing. Prodigious improvements were seen in surface topography, wettability and in homogeneity of oxide layer. The overall improvements in microstructure provided by ECAP technique coupled with surface etching resulted in a remarkable performance of cpTi alloy for biomedical applications.http://www.scielo.br/pdf/mr/v18n6/1516-1439-mr-1516-1439005615.pdftitaniummechanical propertiesbiocompatibilitybiomedicalbiomaterials
spellingShingle Daniel Jogaib Fernandes
Carlos Nelson Elias
Ruslan Zufarovich Valiev
Properties and Performance of Ultrafine Grained Titanium for Biomedical Applications
Materials Research
titanium
mechanical properties
biocompatibility
biomedical
biomaterials
title Properties and Performance of Ultrafine Grained Titanium for Biomedical Applications
title_full Properties and Performance of Ultrafine Grained Titanium for Biomedical Applications
title_fullStr Properties and Performance of Ultrafine Grained Titanium for Biomedical Applications
title_full_unstemmed Properties and Performance of Ultrafine Grained Titanium for Biomedical Applications
title_short Properties and Performance of Ultrafine Grained Titanium for Biomedical Applications
title_sort properties and performance of ultrafine grained titanium for biomedical applications
topic titanium
mechanical properties
biocompatibility
biomedical
biomaterials
url http://www.scielo.br/pdf/mr/v18n6/1516-1439-mr-1516-1439005615.pdf
work_keys_str_mv AT danieljogaibfernandes propertiesandperformanceofultrafinegrainedtitaniumforbiomedicalapplications
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AT ruslanzufarovichvaliev propertiesandperformanceofultrafinegrainedtitaniumforbiomedicalapplications