Characterization of wollastonite coatings prepared by sol–gel on Ti substrate
Source abstract
Abstract
Wollastonite coatings were prepared by sol–gel on Ti substrate and their microstructures have been studied. The phase compositions and the surface morphologies of these coatings were examined by X-ray diffraction and scanning electron microscopy. Thermal behavior of dried gel was examined by differential scanning calorimetry (DSC) and thermogravimetry (TG). There are many cracks among coatings and particles with size about 200–300 nm distributing inside cracks. DSC and TG results show that the glass transformation temperature of dried gel is about 850°C. After calcined at temperature 900°C, the phase of coatings consists of wollastonite, SiO2, and CaSi2O5.
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Research context
OpenAlex topics: Bone Tissue Engineering Materials · Thermal and Kinetic Analysis · Ferroelectric and Piezoelectric Materials
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