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

مهندسی متالورژی و مواد

Article 9, Volume 30, Issue 2 - Serial Number 20, 2019, Pages 91-102   

Document Type: Original Articles

DOI: 10.22067/ma.v30i2.62652

Authors

sara shoorvazi¹; Alireza Kiani-Rashid¹; Sahar Mollazadeh Beidokhti^{* 1}; abbas yousefi²

¹Ferdowsi university of mashhad

²par-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

apatite-anorthite double layer coatings; Sol-gel; Microhardness; roughness

Supplementary Files

9- molazade_AK_EDITS.pdf

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