Effect of Billet Strained Condition on Microstructure Homogeneity of Railway Axles Full text
G. V. Levchenko1, E. G. Dyomina1, E. E. Nefedyeva1, I. D. Buga2, Yu. G. Antonov2, G. A. Medinskiy2
1 Z. I. Nekrasov Iron & Steel Institute of National Academy of Sciences of Ukraine
1 Academician Starodubov Square, Dnipropetrovsk 49050, Ukraine
2JSC "Dneprovsky Integrated Iron & Steel Works named after F. Dzerzhinsky"
18B Kirov St., Dniprodzerzhinsk, Dnipropetrovsk Region, 51902, Ukraine
UDC 620.18: 621.771.294: 621.771.22
Metall. Min. Ind., 2010, Vol. 2, No. 3, pp. 207-214
Abstract
It is shown that deformation mode at more intensive reductions on blooming mill raises compactness of dendritic structure, promotes the formation of required homogeneous and fine grain structure of normalized railway axles and reduces number of additional heat treatments.
Keywords: RAILWAY AXLE, DEFORMATION, NORMALIZATION, MICROSTRUCTURE