Structural Changes in Steel 12GBA During Warm Rolling and Resistance to Brittle Fracture at Negative Temperatures

Structural Changes in Steel 12GBA During Warm Rolling and Resistance to Brittle Fracture at Negative Temperatures

The effect of warm rolling (at 750 – 550°C) on the structure and mechanical properties of low-carbon steel 12GBA is studied in tensile tests in a wide temperature range. Metallographic analysis with the use of optical, scanning electron and transmission electron microscopy is performed. The strength...

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Veröffentlicht in:Metal science and heat treatment 2018-03, Vol.59 (11-12), p.721-728
Hauptverfasser: Derevyagina, L. S., Korznikov, A. V., Surikova, N. S., Gordienko, A. I.
Format: Artikel
Sprache:eng
Schlagworte:
Analysis
Carbon steel
Characterization and Evaluation of Materials
Chemistry and Materials Science
Classical Mechanics
Ductility tests
Engineering Thermodynamics
Heat and Mass Transfer
Low carbon steels
Materials Science
Mechanical properties
Metallic Materials
Microstructure
Rolling resistance
Scanning electron microscopy
Structural steel
Tensile tests
Transmission electron microscopy
Treatment
Warm rolling
Warm working
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Zusammenfassung:The effect of warm rolling (at 750 – 550°C) on the structure and mechanical properties of low-carbon steel 12GBA is studied in tensile tests in a wide temperature range. Metallographic analysis with the use of optical, scanning electron and transmission electron microscopy is performed. The strength and ductility properties are determined in tensile tests at from 20°C to –196°C. The suggested mode of warm rolling is shown to affect favorably the structure and the combination of mechanical properties of steel 12GBA.
ISSN:0026-0673
1573-8973
DOI:10.1007/s11041-018-0217-2