Effect of thermomechanical factors on the properties of steel 15GFB

Effect of thermomechanical factors on the properties of steel 15GFB

Such factors of thermomechanical treatment as the number of deformations, the length of time between them, and the temperature at the end of deformation are important in determining the optimum parameters of controlled rolling. Studies have shown that in order to obtain steel with a fine-grained fer...

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Veröffentlicht in:Metallurgist (New York) 2005-11, Vol.49 (11-12), p.449-451
Hauptverfasser: Kashakashvili, V G, Kurashvili, S Ya, Gordeziani, A G, Gagnidze, A N
Format: Artikel
Sprache:eng
Schlagworte:
Controlled rolling
Deformation
High strength
Low alloy steels
Metallurgy
Optimization
Structural steels
Substructures
Thermomechanical treatment
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Zusammenfassung:Such factors of thermomechanical treatment as the number of deformations, the length of time between them, and the temperature at the end of deformation are important in determining the optimum parameters of controlled rolling. Studies have shown that in order to obtain steel with a fine-grained ferritic-pearlitic structure having a developed substructure, it is necessary to repeatedly deform the semifinished product 15-33% in each pass within the temperature range 800-1150°C. Controlled rolling of the investigated low-alloy steel in the two-phase region ensures that the finished steel will have high strength characteristics.[PUBLICATION ABSTRACT]
ISSN:0026-0894
1573-8892
DOI:10.1007/s11015-006-0021-x