Abstract
The Zr–Y-based alloy targets are used for spraying of heat-resisting ceramic coatings on the gas-turbine hot section components surface by the plasma-chemical deposition techniques. The comparative study of the microstructure and phase composition for target specimens, which manufactured by vacuum-induction melting or vacuum-arc melting, are performed. The patterns of change in a microstructure and a phase composition in the experimental Zr–Y-based alloy, depending of manufacturing technology are shown. The aspects which have led to transformation of microstructure and phase composition of VTsM-1 Zr–Y-based alloy at the change of the manufacturing technology of targets are detected.
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