PREPARATION OF BIOCERAMIC COATINGS BY ULTRASONIC SPRAY DEPOSITION

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F00%3APU23044" target="_blank" >RIV/00216305:26210/00:PU23044 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
PREPARATION OF BIOCERAMIC COATINGS BY ULTRASONIC SPRAY DEPOSITION
Original language description
Ca-phosphate coatings were prepared by the ultrasonic spray deposition of aerosols arised from ceramic suspension. Hydroxyapatite suspension was prepared using the precipitation method. The reaction of aqueous solutions of calcium nitrate and ammonium hydrophosphate was kept at pH= 8,5 using an ammonium hydroxide aqueous solution. Resulting concentration of HA aqueous suspension was 9 wt %. A part of prepared suspension was mixed up with water colloidal solution SiO2 (26,6 wt %) in the weight ratio 1::1. The prepared suspensions were deposited by ultrasonic spray deposition on the surface of alumina and zirconia samples. The size of aerosol drops was the function of ultrasonic frequency, viscosity of the suspension and volume of the supplied suspension. The influence of time of deposition, rate of drying and number of deposited layers on the strucrure of coatings was studied. The coated samples were futher presintered at a temperature of 500°C and sintered at a range of temperature fro
Czech name
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Czech description
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Publication year
2000
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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