The features of the structural and morphological characteristics of the powder of barium-containing tricalcium phosphate and coatings obtained by the method of thermal spraying on its basis have been investigated by the methods of optical and scanning electron microscopy. The optimal modes of plasma spraying of coatings on the basis of the studied powder, which make it possible to form a coating with a uniform and regular structure, have been established.
Structural and morphological characteristics of plasma-sprayed coatings on a titanium base, using powders of zinc-, magnesium-containing calcium phosphates, were studied by optical and scanning electron microscopy. The coatings consist of deposited particles with a size of 50 - 150 μm. The particles form agglomerates of 200 μm or more. Using such modes of plasma spraying of powders of metal-containing calcium phosphates as: plasma arc current - 300-350 A, spraying distance - 50-100 mm, powder dispersion - up to 90 μm, transport gas consumption - 5-7 l / min, it is possible to form a uniform coating.
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