The features of processing Cr-rich nickel based alloy by selective laser melting

Sukhov D.I., Kaplansky Yu.Yu., Rogalev A.M., Kurkin S. E.
UDC
621.791.724
DOI
10.18577/2307-6046-2023-0-1-15-27
Article PDF (Russian) (1.24 MB)
How to cite
Sukhov D.I., Kaplansky Yu.Yu., Rogalev A.M., Kurkin S. E. The features of processing Cr-rich nickel based alloy by selective laser melting // Proceedings of VIAM. 2023. No. 1. DOI: 10.18577/2307-6046-2023-0-1-15-27. URL: https://test.viam.ru/en/journal/2023/1/2
Keywords
Cr-rich nickel based alloy, additive manufacturing, selective laser melting, nitride, carbide, cracks
Abstract

In this paper the structure and mechanical properties of SLM-built EP648 alloy are investigated. The research results of alloy via SEM, HR-TEM allowed detecting CrN particles and Me23C6 carbides in γ-matrix. The complex analysis of hot cracking in EP648 alloy was done. The effect of scan strategy type and oxygen content on hot crack volume density was shown. The connection between scan strategy type and tensile properties at room temperature was researched.

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