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Erschienen in: Journal of Materials Engineering and Performance 4/2013

01.04.2013

Solubility of Nitrogen in Superaustenitic Stainless Steels During Air Induction Melting

verfasst von: A. Chandrasekar, J. Anburaj, R. Narayanan, V. Balusamy, S. S. Mohamed Nazirudeen

Erschienen in: Journal of Materials Engineering and Performance | Ausgabe 4/2013

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Abstract

The amount of nitrogen contained in super austenitic stainless steels (SASS) influences their properties significantly. The effect of maximum amount of nitrogen in the highly alloyed Cr and Ni SASS containing further additions of Mo and Mn is studied. The calculated nitrogen contents of the experimental alloys are compared with the actual nitrogen contents obtained in the alloys produced using induction melting furnace. The actual nitrogen content of the alloys is always lower than the calculated value, and this discrepancy is due to the presence of positive interaction parameters of Ni, Cu, and Si in the alloy. However, the yield of nitrogen in the liquid SASS is improved significantly with additions of Mn and Mo contents. The construction of multicomponent phase diagrams for SASS is demonstrated using Thermo-Calc software. SASS containing more nitrogen exhibited a very high strength without loss of toughness.

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Metadaten
Titel
Solubility of Nitrogen in Superaustenitic Stainless Steels During Air Induction Melting
verfasst von
A. Chandrasekar
J. Anburaj
R. Narayanan
V. Balusamy
S. S. Mohamed Nazirudeen
Publikationsdatum
01.04.2013
Verlag
Springer US
Erschienen in
Journal of Materials Engineering and Performance / Ausgabe 4/2013
Print ISSN: 1059-9495
Elektronische ISSN: 1544-1024
DOI
https://doi.org/10.1007/s11665-012-0364-3

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