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Article

How the Thermomechanical Processing Can Modify the High Strain Rate Mechanical Response of a Microalloyed Steel

1
Faculty of Metals Engineering and Industrial Computer Science, AGH University of Science and Technology, 30-059 Krakow, Poland
2
Institute of Metal Forming, TU Bergakademie Freiberg, 09599 Freiberg, Germany
3
Faculty of Mechatronics, Armament and Aerospace, Military University of Technology, 00-908 Warsaw, Poland
*
Authors to whom correspondence should be addressed.
Academic Editor: Adam Grajcar
Materials 2021, 14(20), 6062; https://doi.org/10.3390/ma14206062
Received: 31 August 2021 / Revised: 4 October 2021 / Accepted: 7 October 2021 / Published: 14 October 2021
The effects of thermomechanical processing (TMP) on the mechanical response of microalloyed steels subjected to dynamic loading conditions were examined. The deformation conditions in the thermomechanical laboratory rolling processes were selected on the basis of dilatometric tests. It allowed (with a constant value of total deformation) us to obtain microstructures with different compositions and morphology of the particular components. Several samples characterized by a particularly complex and unexpected representation of the obtained microstructures were selected for further research. Plastometric tests, i.e., compression and tensile tests, were performed under quasi-static loading with digital image correlation (DIC) analysis, and under dynamic loading on the Split Hopkinson Pressure Bar (SHPB) apparatus with strain rates of 1400 and 2000 s−1. Samples deformed in such conditions were subjected to microstructural analysis and hardness measurements. It has been observed that the use of various combinations of TMP parameters can result in the formation of specific microstructures, which in turn are the source of an attractive mechanical response under dynamic loading conditions. This opens up new possible areas of application for such popular structural materials which are microalloyed steels. View Full-Text
Keywords: thermomechanical processing; microalloyed steel; dynamic loading; mechanical properties; microstructure development thermomechanical processing; microalloyed steel; dynamic loading; mechanical properties; microstructure development
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MDPI and ACS Style

Błoniarz, R.; Majta, J.; Rutkowski, B.; Korpała, G.; Prahl, U.; Janiszewski, J.; Lisiecka-Graca, P. How the Thermomechanical Processing Can Modify the High Strain Rate Mechanical Response of a Microalloyed Steel. Materials 2021, 14, 6062. https://doi.org/10.3390/ma14206062

AMA Style

Błoniarz R, Majta J, Rutkowski B, Korpała G, Prahl U, Janiszewski J, Lisiecka-Graca P. How the Thermomechanical Processing Can Modify the High Strain Rate Mechanical Response of a Microalloyed Steel. Materials. 2021; 14(20):6062. https://doi.org/10.3390/ma14206062

Chicago/Turabian Style

Błoniarz, Remigiusz, Janusz Majta, Bogdan Rutkowski, Grzegorz Korpała, Ulrich Prahl, Jacek Janiszewski, and Paulina Lisiecka-Graca. 2021. "How the Thermomechanical Processing Can Modify the High Strain Rate Mechanical Response of a Microalloyed Steel" Materials 14, no. 20: 6062. https://doi.org/10.3390/ma14206062

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