Effect of thermo-mechanical parameters on the mechanical properties of Eurofer97 steel for nuclear applications

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Abstract

Eurofer97 steel has been recognised in Europe as the reference steel for nuclear application under high radiation density. Following to this a detailed knowledge of microstructure evolution is required for such steel after thermo-mechanical processing. In this paper the effect of thermo-mechanical parameters on the mechanical behavior of Eurofer97 was investigated by hot rolling and heat treatment on pilot scale. Results show a strong effect was found of reheating temperature before rolling on the material hardness, due to an increase of hardenability following the austenite grain growth. A minor effect was found of the hot reduction and the tempering temperature in the total investigated deformation range. A loss of impact energy was found coupled with the hardness increase.

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Di Schino, A., Testani, C., & Pilloni, L. (2018). Effect of thermo-mechanical parameters on the mechanical properties of Eurofer97 steel for nuclear applications. Open Engineering, 8(1), 349–353. https://doi.org/10.1515/eng-2018-0040

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