Evaluation of biomimetic coatings on femtosecond laser treated alumina and alumina-zirconia composite surfaces

Carregando...
Imagem de Miniatura
Data
2016
Data de publicação:
Orientador
Título da Revista
ISSN da Revista
Título do Volume
É parte de
Machining, joining and modifications of advanced materials
É parte de
É parte de
Exportar
Mendeley
Projetos de Pesquisa
Unidades Organizacionais
Fascículo
Resumo
The effect of texturing Al2O3 and Al2O3/ZrO2 surfaces using fem- 7 tosecond laser has been evaluated in terms of the roughness, wettability and 8 microstructure of the substrate to increase growth efficiency and adhesion of 9 hydroxyapatite. Femtosecond laser treatment of these materials causes phase 10 transformation from alpha-alumina to gamma-alumina. Heat effects during fem- 11 tosecond laser treatment causes the grains to be in the nanometer scale. Without 12 heat effects, the grains are in the micrometer scale. The use of femtosecond laser 13 permits control of the surface roughness of the alumina specimens. The higher the 14 femtosecond laser energy, the higher is the wettability of the specimen and the total 15 surface energy. Specimens with laser textured surfaces upon immersion in 1.5 SBF 16 for 6 and 15 days revealed apatite layers well bonded to the substrate and without 17 detachment. The adhesion of apatite to surfaces of specimens that were not textured 18 with femtosecond laser was inadequate

Como referenciar
AGUIAR, A.A.; LIMA, N.B. de; BRAGA, F.J.C.; ROSSI, W.; COUTO, A.A.; BALDAN, R. Evaluation of biomimetic coatings on femtosecond laser treated alumina and alumina-zirconia composite surfaces. In: OCHSNER, ANDREAS (ed.); ALTENBACH, HOLM (ed.). Machining, joining and modifications of advanced materials. Singapura: Springer, 2016. p. 141-157. DOI: 10.1007/978-981-10-1082-8_15. Disponível em: http://repositorio.ipen.br/handle/123456789/26765. Acesso em: 18 May 2024.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.

Agência de fomento
Coleções