Characterization of Apatite Glass-Ceramic Coatings on Ti-6Al-4V Substrate by Sol-Gel Method for Medical Application

Document Type : Original Articles

Authors

1 Ferdowsi university of mashhad

2 par-e-tavous

Abstract

A single- and double-layer apatite-anorthite glass-ceramic coating was produced by dip coating sol-gel method on Ti-6Al-4V substrate. Heat treatment was performed at 800­°C. DTA analysis was performed to determine the appropriate heat treatment temperatures. XRD analysis confirmed the intended crystalline compounds; and the morphology of the coated layer was investigated using a SEM. Hardness and roughness of each layer was measured by micro hardness test and AFM, respectively. SEM micrographs confirm the adhesion and uniformity of the first apatite layer. Micro hardness of the second (top) layer showed an increase compared to the first layer. The roughness of the coatings is in the appropriate limit for dental applications.

Keywords


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