The refining of nickel base single-crystal alloys from silicon, phosphorus and sulfur impurities by directed melt solidification with very slowed-up moving rate of the crystallization

Min P.G., Sidorov V.V., Vadeev V.E.
UDC
669.018.44:669.245
DOI
10.18577/2307-6046-2017-0-3-2-2
Article PDF (Russian) (804.45 KB)
How to cite
Min P.G., Sidorov V.V., Vadeev V.E. The refining of nickel base single-crystal alloys from silicon, phosphorus and sulfur impurities by directed melt solidification with very slowed-up moving rate of the crystallization // Proceedings of VIAM. 2017. No. 3. DOI: 10.18577/2307-6046-2017-0-3-2-2. URL: https://test.viam.ru/en/journal/2017/3/2
Keywords
silicon, phosphorus, sulfur, superalloy, impurities, nonmetallic inclusions, crystallization.
Abstract

The efficiency of silicon, phosphorus and sulfur contain reducing in single-crystal rhenium-containing superalloys ZhS32-VI and VZhM5-VI by directed moving the crystallization front with rate 6 mm/h. The reducing of silicon phosphorus and sulfur in bottom and middle parts of the casting was founded. The displacing due to directed melt solidification of nonmetallic inclusions to top part of casting was shown. The results were obtain during performance the project of oriented fundamental research №13-0812055_ofi_m.

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