Resource-saving processing technology of off-grade scrap of wrought superalloy VG175 for GTE disks production

Ospennikova O.G., Min P.G., Vadeev V.E., Kalitsev V.A., Kramer V.V.
UDC
669.018.44:669.245
DOI
10.18577/2307-6046-2016-0-2-1-1
Article PDF (Russian) (516.51 KB)
How to cite
Ospennikova O.G., Min P.G., Vadeev V.E., Kalitsev V.A., Kramer V.V. Resource-saving processing technology of off-grade scrap of wrought superalloy VG175 for GTE disks production // Proceedings of VIAM. 2016. No. 2. DOI: 10.18577/2307-6046-2016-0-2-1-1. URL: https://test.viam.ru/en/journal/2016/2/1
Keywords
scrap, vacuum induction melting, refinement, rare earth metals, superalloy, impurities
Abstract

The resource-saving production technology of wrought superalloy VG175 for gas-turbine disks with use up to 100% scrap, including off-grade scrap, has been developed in VIAM. This technology allows manufacturing metal, which is not worse than the alloy made from pure charge materials in such parameters as the content of alloying elements, impurities and mechanical properties. The cost of the alloy produced with use up to 100% scrap, including off-grade scrap, is 20–30% lower in comparison with the alloy produced in accordance with the industrial technology with utilization up to 50% specification scrap.

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