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Advanced Thermomechanical Processing for a High-Mn Austenitic Steel

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Abstract

The microstructures and mechanical properties of a warm-forged and annealed Fe-18Mn-0.6C-1.5Al TWIP steel were studied. The high dislocation density was evolved by warm forging and the ultrafine grains were developed by subsequent annealing. The dislocation strengthening and the grain refinement result in increased yield strength ranging from 500 to 1000 MPa and the product of ultimate tensile strength by total elongation as high as 70,000 MPa pct.

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The financial support received from the Ministry of Education and Science, Russia, under Grant No. 14.584.21.0003 (ID Number RFMEFI58414X0003) is gratefully acknowledged. The authors are grateful to the personnel of the Joint Research Centre, Belgorod State University, for their assistance with instrumental analysis.

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Authors and Affiliations

  1. Belgorod State University, Belgorod, 308015, Russia

    Pavel Kusakin (Research Associate), Rustam Kaibyshev (Professor) & Andrey Belyakov (Leading Research Associate)

  2. Kyushu University, Fukuoka, 819-0395, Japan

    Kaneaki Tsuzaki (Professor)

  3. Institute of Physical Metallurgy and Metal Physics, RWTH Aachen, 52056, Aachen, Germany

    Dmitri A. Molodov (Professor)

Authors
  1. Pavel Kusakin
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  2. Kaneaki Tsuzaki
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  3. Dmitri A. Molodov
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  4. Rustam Kaibyshev
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  5. Andrey Belyakov
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Corresponding author

Correspondence to Andrey Belyakov.

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Manuscript submitted May 23, 2016.

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Kusakin, P., Tsuzaki, K., Molodov, D.A. et al. Advanced Thermomechanical Processing for a High-Mn Austenitic Steel. Metall Mater Trans A 47, 5704–5708 (2016). https://doi.org/10.1007/s11661-016-3794-y

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  • DOI: https://doi.org/10.1007/s11661-016-3794-y

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