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The modeling of retained austenite in low-alloyed TRIP steels

  • Retained Austenite in Steel
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Abstract

Low-alloyed transformation-induced plasticity steel (25 CrMo 4 and 15 CrNi 6) is produced by special heat treatments resulting in microstructures with variations in the content of retained austenite as well as the spatial arrangement of the austenitic grains. In this article, the influence of these variations on mechanical behavior is investigated. A continuum micromechanical unit-cell model is used to study the influence of external load on the strain-induced austenite-to-martensite phase transformation for selected microstructures. The model is implemented in an incremental formulation to a finite-element code.

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Authors
  1. G. Reisner
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  2. E. A. Werner
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  3. P. Kerschbaummayr
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  4. I. Papst
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  5. F. D. Fischer
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Additional information

G. Reisner earned his Ph.D. in materials science from Montanuniversitaet Leoben (ML) in 1997. He is currently a lecturer at the institute of Mechanics at ML.

E.A. Werner earned his Ph.D. in materials science from ML in 1991. He is currently a professor at the Institute of Metal Physics at ML.

P. Kerschbaummayr earned his Dipl.-Ing. in materials science from ML in 1996. He is currently a R&D engineer at VA Stahl Linz.

I. Papst earned her Ph.D. in solid-state physics from ML in 1997. She is currently a scientist at the Institute of Metal Physics at ML.

F.D. Fischer earned his Ph.D. in mechanics from the Technical University of Vienna in 1965. He is currently a professor and head of the institute of Mechanics at ML.

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Reisner, G., Werner, E.A., Kerschbaummayr, P. et al. The modeling of retained austenite in low-alloyed TRIP steels. JOM 49, 62–65 (1997). https://doi.org/10.1007/BF02914354

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  • DOI: https://doi.org/10.1007/BF02914354

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