Plasma-sprayed oxides using powdersand suspensions
Author: Prof. Dr. Lech Pawlowski
The activity of The Service of Thermal Spraying at Ecole Nationale Supérieure de
Chimie de Lille in the area of the plasma spraying of oxide powders and
suspensions is presented. The studies have concerned coatings of two oxides
Ca5(PO4)3OH (hydroxyapatite, HA) and TiO2, alloyed sometimes with Al2O3,
obtained by the plasma spraying of powder and suspension feedstock. The
technology of post-spray laser treatment was applied. The processes of powder
spraying and laser treatment were mathematically modelled and the experimental
simulations were compared with experimental data. The microstructural, physical
and chemical properties of obtained deposits were carefully studied. The studies
are aimed at industrial applications.
Pages: 14 - 18
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