Abstract

The compositions of high-temperature single-crystal nickel alloys with rhenium additives (more than 6% Re), which have strength characteristics corresponding to foreign single-crystal alloys of the third generation, are determined. The attained level of properties justifies the use of the scarce and expensive element. An alloy with 9% Re belongs to the fourth generation of single-crystal high-temperature alloys where high-temperature strength and rhenium content are concerned.

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