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Área de identificação
Tipo de ReferênciaJournal Article
Siteplutao.sid.inpe.br
Código do Detentorisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
Identificador8JMKD3MGP3W/3FCL887
Repositóriosid.inpe.br/plutao/2013/12.12.16.12.05   (acesso restrito)
Última Atualização2015:03.12.17.22.15 administrator
Metadadossid.inpe.br/plutao/2013/12.12.16.12.06
Última Atualização dos Metadados2018:06.04.23.39.18 administrator
DOI10.4236/eng.2013.59084
ISSN1947-3931
Rótulolattes: 5076862030728693 4 CapellatoRiWiMaPoCl:2013:SuMoTi
Chave de CitaçãoCapellatoRiWiMaPoCl:2013:SuMoTi
TítuloSurface Modification on Ti-30Ta Alloy for Biomedical Application
Ano2013
Data de Acesso24 fev. 2021
Tipo de Trabalhojournal article
Número de Arquivos1
Tamanho686 KiB
Área de contextualização
Autor1 Capellato, Patricia
2 Riedel, Nicholas A.
3 Williams, John D.
4 Machado, João Paulo Barros
5 Popat, Ketul C.
6 Claro, Ana P. R. Alves
Identificador de Curriculo1
2
3
4 8JMKD3MGP5W/3C9JHER
Grupo1
2
3
4 LAS-CTE-INPE-MCTI-GOV-BR
Afiliação1 Universidade Estadual Paulista (UNESP)
2 Colorado State University
3 Colorado State University
4 Instituto Nacional de Pesquisas Espaciais (INPE)
5 Colorado State University
6 Universidade Estadual Paulista (UNESP)
Endereço de e-Mail do Autor1 pat_capellato@yahoo.com.br
2
3
4 joaopaulo@las.inpe.br
Endereço de e-Mailjoaopaulo@las.inpe.br
RevistaEngineering
Volume05
Número09
Páginas707-713
Tipo SecundárioPRE PI
Nota SecundáriaB4
Histórico2013-12-12 16:12:06 :: lattes -> administrator ::
2018-06-04 23:39:18 :: administrator -> marcelo.pazos@inpe.br :: 2013
Área de conteúdo e estrutura
É a matriz ou uma cópia?é a matriz
Estágio do Conteúdoconcluido
Transferível1
Tipo do ConteudoExternal Contribution
Tipo de Versãopublisher
Palavras-ChaveBiocompatibility, Ti-30Ta Alloy, Alkali Treatment, Heat Treatment, Simulated Body Fluid, Anodization Process, Ion Beam Etching.
ResumoTitanium and titanium alloys are currently being used for clinical biomedical applications due to their high strength, corrosion resistance and elastic modulus. The Ti-30Ta alloy has gotten extensive application as the important biomedical materials. The substrate surface of the Ti-30Ta alloy was altered either by chemical or topographical surface modification. The biocompatibility of an implant is closely related to its surface properties. Thus surface modification is one of effective methods for improving the biocompatibility of implants. The development status of biomedical materials has been summarized firstly, as the biomedical application. In this study Ti-30Ta alloy surface was investigated as-casting (Group 1) modified with alkaline and heat-treatments in NaOH with 1.5M at 60˚C for 24 hrs (Group 2), alkaline and heat-treatments with SBF-coatings by immersion in NaOH and SBFX5 for 24hrs (Group 3), anodization process was performed in an electrolyte solution containing HF (48%) and H2SO4 (98%) with the addition of 5% dimethyl sulfoxide (DMSO) 35V for 40 min (Group 4) and ion beam etching with 1200 eV ions with a beam current of 200 mA for a 3 hrs etch (Group 5). SEM was used to investigate the topography, EDS the chemical composition, and surface energy was evaluated with water contact angle measurement. SEM results show different structure on the surface for each group. EDS spectra identified similarity on Group 1, 4 and 5. The results indicate for group 2 an amorphous sodium tantalate hydrogel layer on the substrate surface and for group 3 the apatite nucleation on substrate surface. The Group 4 shows unorganized and vertically nanotubes and Group 5 shows a little alteration in the topography on the substrate surfaces. Overall the contact angle shows Group 5 the most hydrophobic and Group 4 the most hydrophilic. The study indicates Group 3 and 4 with potential for biomedical application. The next step the authors need to spend more time to study group 3 and 4 in the biomedical sciences.
AreaFISMAT
ArranjoINPE > Produção > LABAS > Surface Modification on...
Conteúdo da Pasta sourcenão têm arquivos
Conteúdo da Pasta agreementnão têm arquivos
Área de condições de acesso e uso
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Grupo de Usuárioslattes
marcelo.pazos@inpe.br
Grupo de Leitoresadministrator
marcelo.pazos@inpe.br
Visibilidadeshown
Permissão de Leituradeny from all and allow from 150.163
Permissão de Atualizaçãonão transferida
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DivulgaçãoPORTALCAPES
Acervo Hospedeirodpi.inpe.br/plutao@80/2008/08.19.15.01
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