Influence of kinetics of supercooled austenite decomposition on structure formation in sparingly-alloyed tool steel

The decomposition of supercooled austenite in 70Kh3G2VTB steel under isothermal conditions and continuous cooling have been studied. The isothermal and continuous cooling tranformation curves of the decomposition of austenite in the experimental steel have been constructed. The effect of alloying el...

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Bibliographic Details
Published in:Physics of metals and metallography 2013-10, Vol.114 (10), p.851-859
Main Authors: Krylova, S. E., Yakovleva, I. L., Tereshchenko, N. A., Priimak, E. Yu, Kletsova, O. A.
Format: Article
Language:English
Subjects:
Chemistry and Materials Science
Diffusion
Materials Science
Metallic Materials
Phase Transformations
Structure
Tool-steel
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Summary:The decomposition of supercooled austenite in 70Kh3G2VTB steel under isothermal conditions and continuous cooling have been studied. The isothermal and continuous cooling tranformation curves of the decomposition of austenite in the experimental steel have been constructed. The effect of alloying elements on phase transformations in the steel under heating and cooling have been established. The features of the formation of a microstructure in the 70Kh3G2VTB steel after different regimes of heat treatment have been described. The optimal parameters of hardening heat treatment have been developed.
ISSN:0031-918X
1555-6190
DOI:10.1134/S0031918X13100062