publication . Article . 2011

Comportamiento frente a la corrosión y biocompatibilidad in vitro/in vivo de la aleación AZ31 modificada superficialmente

Escudero, M. L.; Clemente, C.; Rubio, J. C.; Alobera, M. A.; García-Alonso, M. C.; del Valle, J. A.; Iglesias, C.; Pérez-Maceda, B. T.; Carboneras, M.; Lozano, R. M.;
Open Access English
  • Published: 01 Jun 2011 Journal: Revista de Metalurgia (issn: 0034-8570, eissn: 1988-4222, Copyright policy)
  • Publisher: Consejo Superior de Investigaciones Científicas
The present work evaluates the corrosion behaviour and the <i>in vitro/in vivo</i> biocompatibility of the AZ31 magnesium alloy, which fulfills the mechanical requirements of bone. The corrosion kinetic of as-received AZ31 alloy was not compatible with the cell growth. To improve its performance, the AZ31 alloy was surface modified by a chemical conversion treatment in hydrofluoric acid. The magnesium fluoride layer generated by the surface treatment of AZ31 alloy enhances its corrosion behaviour, allowing the <i>in vitro</i> growth of osteoblastic cells over the surface and the <i>in vivo</i> formation of a highly compact layer of new bone tissue. These results...
free text keywords: AZ31, Magnesium fluoride, Corrosion, Biocompatibility, In vitro/in vivo, AZ31, Fluoruro de magnesio, Corrosión, Biocompatibilidad, In vitro/in vivo, Mining engineering. Metallurgy, TN1-997
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