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Erschienen in: Metallurgist 1-2/2020

18.05.2020

Refining Complexly Alloyed Molten Nickel from Sulfur Impurity to Less than 1 Ppm During Vacuum Melting

verfasst von: V. V. Sidorov, P. V. Yakimovich, A. V. Alekseev

Erschienen in: Metallurgist | Ausgabe 1-2/2020

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Abstract

The possibility is established of reducing the sulfur content in cast nickel superalloys to less than 1 ppm (0.0001 wt.%) with addition to alloys of an increased amount of rare earth metals previously refined with alkaline-earth metals and filtered through a ceramic foam filter during casting. Use of mass spectrometry with a glow discharge makes it possible to develop a method for determining and ultralow sulfur content in nickel superalloys.

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Metadaten
Titel
Refining Complexly Alloyed Molten Nickel from Sulfur Impurity to Less than 1 Ppm During Vacuum Melting
verfasst von
V. V. Sidorov
P. V. Yakimovich
A. V. Alekseev
Publikationsdatum
18.05.2020
Verlag
Springer US
Erschienen in
Metallurgist / Ausgabe 1-2/2020
Print ISSN: 0026-0894
Elektronische ISSN: 1573-8892
DOI
https://doi.org/10.1007/s11015-020-00966-1

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