The obtaining and testing of the fine-dispersed metal powder of the high-chromium alloy on nickel-base for laser metal deposition

Evgenov A.G., Nerush S.V., Vasilenko S.A.
UDC
669.245
DOI
10.18577/2307-6046-2014-0-5-4-4
Article PDF (Russian) (902.75 KB)
How to cite
Evgenov A.G., Nerush S.V., Vasilenko S.A. The obtaining and testing of the fine-dispersed metal powder of the high-chromium alloy on nickel-base for laser metal deposition // Proceedings of VIAM. 2014. No. 5. DOI: 10.18577/2307-6046-2014-0-5-4-4. URL: https://test.viam.ru/en/journal/2014/5/4
Abstract

Fine-dispersed metal powders of the heat resisting alloy brand EP648-VI for laser metal deposition (LMD), obtained by method of atomization at a facility HERMI-GA10/100 VI are investigated. It is shown, that the obtained fine-dispersed powders when spraying by cold and hot gas have low oxygen content, the spherical form, the expressed dendritic structure in all range of the granulometric distribution. Adaptive laser metal deposition with application metal powder of the heat resisting alloy EP648-VI of the granulometric distribution 40–80 microns on working off technology of recovery of geometry extreme combs on the bandage shelf of working blades of the second step guarantees high quality of welding material (availability of defects of typemicrocracks, lack of penetrations is not revealed).

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