Meso-and microstructural features of steel 12GBA produced by different methods of thermomechanical treatment

Abstract

The effect of uniform isothermal forging (UF) and warm rolling (WR) on the structure of low-carbon tube steel 12GBA has been studied. It is shown that the structures of the treated steel differ significantly by the effective grain size, density of all boundaries, percentage of density of high angle boundaries (HABs) and low angle boundaries (LABs), carbide phase morphology in the perlite zone and texture of the ferrite phase. After forging steel has the greatest degree of grain refinement, maximum boundary density, and overrepresentation of LABs. This structural state of steel is characterized by a double-component texture: (001) + (111), ?001? + ?101?, while after warm rolling steel has a mono-component texture (111) ?101?. The evident differences in the steel structure treated by WR and UF may have dual effect on the strength and plasticity properties of steel and its fracture behavior.

Original language	English
Title of host publication	Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures
Publisher	American Institute of Physics Inc.
Volume	1683
ISBN (Electronic)	9780735413306
DOIs	https://doi.org/10.1063/1.4932727
Publication status	Published - 27 Oct 2015
Event	International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2015 - Tomsk, Russian Federation Duration: 21 Sep 2015 → 25 Sep 2015

Conference

Conference	International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2015
Country	Russian Federation
City	Tomsk
Period	21.9.15 → 25.9.15

ASJC Scopus subject areas

Physics and Astronomy(all)

Access to Document

10.1063/1.4932727

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Derevyagina, L. S., Panin, V. E., Korznikov, A. V., & Gordienko, A. I. (2015). Meso-and microstructural features of steel 12GBA produced by different methods of thermomechanical treatment. In Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures (Vol. 1683). [020037] American Institute of Physics Inc.. https://doi.org/10.1063/1.4932727

Meso-and microstructural features of steel 12GBA produced by different methods of thermomechanical treatment. / Derevyagina, Lyudmila S.; Panin, Victor Evgenievich; Korznikov, Aleksandr V.; Gordienko, Antonina I.

Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures. Vol. 1683 American Institute of Physics Inc., 2015. 020037.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Derevyagina, LS, Panin, VE, Korznikov, AV & Gordienko, AI 2015, Meso-and microstructural features of steel 12GBA produced by different methods of thermomechanical treatment. in Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures. vol. 1683, 020037, American Institute of Physics Inc., International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2015, Tomsk, Russian Federation, 21.9.15. https://doi.org/10.1063/1.4932727

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abstract = "The effect of uniform isothermal forging (UF) and warm rolling (WR) on the structure of low-carbon tube steel 12GBA has been studied. It is shown that the structures of the treated steel differ significantly by the effective grain size, density of all boundaries, percentage of density of high angle boundaries (HABs) and low angle boundaries (LABs), carbide phase morphology in the perlite zone and texture of the ferrite phase. After forging steel has the greatest degree of grain refinement, maximum boundary density, and overrepresentation of LABs. This structural state of steel is characterized by a double-component texture: (001) + (111), ?001? + ?101?, while after warm rolling steel has a mono-component texture (111) ?101?. The evident differences in the steel structure treated by WR and UF may have dual effect on the strength and plasticity properties of steel and its fracture behavior.",

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