Elimination of Coarse-Grain Property in Steel 25KhN3MFA After Overheating to Different Temperatures

The effect of the temperature of overheating in the range of 950 – 1250°C on the texture and grain size of steel 25KhN3MFA subjected to subsequent heating at 700 – 1100°C at a rate of 100 K/h is studied. The effect of the initial texture and grain size on the temperature of disappearance of large gr...

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Bibliographic Details
Published in:Metal science and heat treatment 2016-03, Vol.57 (11-12), p.713-718
Main Authors: Borisov, I. A., Dub, A. V.
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Chemistry and Materials Science
Classical Mechanics
Engineering Thermodynamics
Forgings (Products)
Heat and Mass Transfer
Materials Science
Metallic Materials
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Summary:The effect of the temperature of overheating in the range of 950 – 1250°C on the texture and grain size of steel 25KhN3MFA subjected to subsequent heating at 700 – 1100°C at a rate of 100 K/h is studied. The effect of the initial texture and grain size on the temperature of disappearance of large grains is determined. Recommendations are given on application of the results obtained for choosing heat treatment regimes for large forgings.
ISSN:0026-0673
1573-8973
DOI:10.1007/s11041-016-9947-1