Effect of Microalloying of Roll Steel 70Kh3G2VTB on the Kinetics of Phase Transformations and Fine Structure Under Crystallization and Heat Hardening

Decomposition of supercooled austenite in steel 70Kh3G2VTB under continuous cooling is investigated. The thermokinetic diagram of decomposition of austenite in the pilot steel is plotted. The temperature-time ranges of the structural transformations are obtained. The effect of the parameters of aust...

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Bibliographic Details
Published in:Metal science and heat treatment 2017-11, Vol.59 (7-8), p.399-406
Main Authors: Krylova, S. E., Fot, A. P., Gryzunov, V. I., Firsova, N. V.
Format: Article
Language:English
Subjects:
Carbides
Characterization and Evaluation of Materials
Chemistry and Materials Science
Classical Mechanics
Engineering Thermodynamics
Heat and Mass Transfer
Materials Science
Metallic Materials
Steel
Steel products
Transformations
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Summary:Decomposition of supercooled austenite in steel 70Kh3G2VTB under continuous cooling is investigated. The thermokinetic diagram of decomposition of austenite in the pilot steel is plotted. The temperature-time ranges of the structural transformations are obtained. The effect of the parameters of austenitizing on the processes of dissolution of the carbide phase under heating is described. The fine structure of the pilot steel is studied in different stages of heat hardening.
ISSN:0026-0673
1573-8973
DOI:10.1007/s11041-017-0162-5