Abstract
The influence of mechanical treatment on the structure and phase composition of Ti–10%Ca3(PO4)2 powder mixtures is investigated. The Ti–Ti3P–CaO ceramic electrode materials with a high uniformity of components and residual porosity of 5–7% are fabricated according to the pressing and vacuum sintering technology. The erosion ability of the Ti–Ti3P–CaO metal–ceramic electrode under the pulsed electric-discharge machining of titanium substrates is investigated and compared with the TiC0,5–Ti3POx–CaO electrodes fabricated by self-propagating high-temperature synthesis. Coatings fabricated when using Ti–Ti3P–CaO and TiC0,5–Ti3POx–CaO electrodes are characterized by high continuity, thickness up to 20 μm, microhardness up to 3,6 GPa, roughness to 3,3–4,6 μm, and the presence and uniform distribution of calcium and phosphorus bioactive elements.
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