Abstract
High-alloyed high-temperature nickel-base alloy ZhS32-VI is used for manufacturing blades of gas turbine engines by the method of rapid directed crystallization. The alloy contains boron, zirconium, sulfur, phosphorus, and rare-earth elements. Due to the complex composition the dendritic structure of the alloy may contain segregates with a melting temperature below the temperature of its homogenization. The present work concerns the development of a regime for heat treatment of the alloy that would give castings with a dense and uniform structure and high properties.
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