The influence of multi-axis isothermal forging on structure and properties of low carbon steel 12GBA

S.N. Sergeev, I.M. Safarov, A.V. Korznikov, R.M. Galeyev, S.V. Gladkovsky, E.M. Borodin show affiliations and emails
Received: 11 May 2012; Revised: 25 May 2012; Accepted: 14 June 2012
This paper is written in Russian
Citation: S.N. Sergeev, I.M. Safarov, A.V. Korznikov, R.M. Galeyev, S.V. Gladkovsky, E.M. Borodin. The influence of multi-axis isothermal forging on structure and properties of low carbon steel 12GBA. Lett. Mater., 2012, 2(3) 117-120
BibTex   https://doi.org/10.22226/2410-3535-2012-3-117-120

Abstract

The submicrocryctalline structure of the low carbon steel 12GBA was processed by multi-axis isothermal forging. The average size of grain was equal to 0,3 microns. The submicrocryctalline state of steel has three times higher strength than the initial coarse-grained state and allowable ductility and impact strength at once. Subsequent annealing lead to slight lowering strength and rising ductility. It is shown the submi-crocryctalline state of steel 12GBA has higher impact strength than the coarse-grained state at negative temperatures.

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