21 documents found, page 1 of 3
Bio-tribocorrosion in dental applications
Rocha, L. A. [UNESP]; Oliveira, F.; Cruz, H. V.; Sukotjo, C.; Mathew, M. T.Made available in DSpace on 2022-04-29T07:17:21Z (GMT). No. of bitstreams: 0 Previous issue date: 2013-01-01; In the oral cavity, materials (including our natural teeth) are exposed to a complex environment, which results in simultaneous mechanical, electrochemical, and microbiological solicitations. Therefore, bio-tribocorrosion is an important cause of degradation of dental materials leading to functional and...
Influence of the molybdenum on characteristics of oxide films produced by micro...
Costa, N. A. [UNESP]; Correa, D. R.N.; Lisboa-Filho, P. N. [UNESP]; Sousa, T. S.P. [UNESP]; Grandini, C. R. [UNESP]; Rocha, L. A. [UNESP]Made available in DSpace on 2021-06-25T11:10:16Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-02-25; Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP); Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq); Micro-arc oxidation (MAO) is a powerful tool to modify the surface of Ti alloys, in order to increase the lifetime of orthopedic implants. It is well established that the ...
Growth Mechanisms and Tribocorrosion Behavior of Bio-Functionalized ZrO2 Nanopa...
Costa, N. A. [UNESP]; Rossi, A. L.; Alves, A. C.; Pinto, A. M.P.; Toptan, F.; Rocha, L. A. [UNESP]Made available in DSpace on 2021-06-25T10:24:27Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-06-01; Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP); Fundação para a Ciência e a Tecnologia; Tribocorrosion resistance, low elastic modulus, and faster promotion of osseointegration are among the current requirements to avoid aseptic loosening in artificial joints. Therefore, in this work, a p...
TiO2 bioactive implant surfaces doped with specific amount of Sr modulate miner...
Costa, A.; Gemini-Piperni, S. [UNESP]; Alves, A. C.; Costa, N. A. [UNESP]; Checca, N. R.; Leite, P. E.; Rocha, L. A. [UNESP]; Pinto, A. M. P.Made available in DSpace on 2021-06-25T12:37:26Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-01-01; FCT; Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES); Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP); One of the main problems that remain in the implant industry is poor osseointegration due to bioinertness of implants. In order to promote bioactivity, calcium (Ca), p...
Future Needs and Challenges in Tribo-Corrosion Research and Testing
Blau, P. J.; Wood, R.; Stack, M. M.; Mischler, S.; Jiang, J.; Drees, D.; Rocha, L. A. [UNESP]; Wimmer, M. A.; Celis, J-P.; Cowan, R.; Celis, J. P.Made available in DSpace on 2020-12-10T16:55:10Z (GMT). No. of bitstreams: 0 Previous issue date: 2013-01-01; Tribo-corrosion is an emerging interdisciplinary subject that spans from basic research on the behavior of surfaces in mechanical contact in chemically active surroundings to the test methods needed to quantify its effects, and from the selection of materials for bio-implants to the minimization of surf...
Corrosion Behavior of Titanium Frameworks under Laser and Tungsten Inert Gas We...
Rodrigues, S. A.; Alves, A. C.; Silva, F. S.; Barao, V. A. R.; Mesquita, M. F.; Rocha, L. A. [UNESP]; Toptan, F.Made available in DSpace on 2020-12-10T20:04:00Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-05-01; Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP); Foundation for Science and Technology, Portugal; European Regional Development Fund through the COMPETE 2020-Programa Operacional Competitividade e Internacionalizacao; The purpose of this study was to investigate the role of different weldi...
Interactions between wear and corrosion on cast and sintered Ti-12Nb alloy in c...
Çaha, I.; Alves, A. C.; Chirico, C.; Tsipas, S. A.; Rodrigues, I. R. [UNESP]; Pinto, A. M.P.; Grandini, C. R. [UNESP]; Rocha, L. A. [UNESP]; Gordo, E.Made available in DSpace on 2020-12-12T02:19:59Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-11-01; This work investigates the corrosion and tribocorrosion behavior of α + β Ti-12Nb alloy processed by casting and sintering, in 9 g/l NaCl solution at body temperature, and compares the results with the commercial Ti-6Al-4 V alloy. Different electrochemical techniques were used to access the corrosion be...
On the mechanical biocompatibility of Ti-15Zr-based alloys for potential use as...
Correa, D. R.N.; Rocha, L. A. [UNESP]; Donato, T. A.G. [UNESP]; Sousa, K. S.J. [UNESP]; Grandini, C. R. [UNESP]; Afonso, C. R.M.; Doi, H.; Tsutsumi, Y.Made available in DSpace on 2020-12-12T02:31:26Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-03-01; This study evaluated the mechanical properties and cytocompatibility of recently developed Ti-15Zr-based alloys with Mo addition for potential use as load-bearing implants. The phase composition and microstructure were changed by the alloying elements, being the β phase fully retained on the Ti-15Zr-10M...
Degradation behavior of Ti-Nb alloys: Corrosion behavior through 21 days of imm...
Çaha, I.; Alves, A. C.; Kuroda, P. A.B. [UNESP]; Grandini, C. R. [UNESP]; Pinto, A. M.P.; Rocha, L. A. [UNESP]; Toptan, F.Made available in DSpace on 2020-12-12T01:54:26Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-05-01; Fuel Cell Technologies Program; Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP); Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq); Non-toxic and allergic free β-type Ti alloys are attractive metallic implant materials due to their lower Young's modulus and good biocompa...
Corrosion and tribocorrosion behaviour of titanium nitride thin films grown on ...
Çaha, I.; Alves, A. C.; Affonço, L. J. [UNESP]; Lisboa-Filho, P. N. [UNESP]; da Silva, J. H.D. [UNESP]; Rocha, L. A. [UNESP]; Pinto, A. M.P.; Toptan, F.Made available in DSpace on 2019-10-06T16:37:31Z (GMT). No. of bitstreams: 0 Previous issue date: 2019-09-25; Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP); Fuel Cell Technologies Office; Ti and its alloys exhibit combination of unique properties for biomedical applications, however their poor tribo-electrochemical behaviour is a major concern. Therefore, TiN coatings were deposited on cp-Ti (gr...