Processing Variants in Medium-Mn Steels
AbstractThis paper highlights some recent efforts to extend the use of medium-Mn steels for applications other than intercritically batch-annealed steels with exceptional ductility (and strengths in the range of about 1000 MPa). These steels are shown to enable a range of promising properties. In hot-stamping application concepts, elevated Mn concentration helps to stabilize austenite and to provide a range of attractive property combinations, and also reduces the processing temperatures and likely eliminates the need for press quenching. The “double soaking” concept also provides a wide range of attractive mechanical property combinations that may be applicable in cold-forming applications, and could be implemented in continuous annealing and/or continuous galvanizing processes where Zn-coating would typically represent an additional austempering step. Quenching and partitioning of steels with elevated Mn concentrations have exhibited very high strengths, with attractive tensile ductility; and medium-Mn steels have been successfully designed for quenching and partitioning using room temperature as the quench temperature, thereby effectively decoupling the quenching and partitioning steps. View Full-Text
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Speer, J.; Rana, R.; Matlock, D.; Glover, A.; Thomas, G.; De Moor, E. Processing Variants in Medium-Mn Steels. Metals 2019, 9, 771.
Speer J, Rana R, Matlock D, Glover A, Thomas G, De Moor E. Processing Variants in Medium-Mn Steels. Metals. 2019; 9(7):771.Chicago/Turabian Style
Speer, John; Rana, Radhakanta; Matlock, David; Glover, Alexandra; Thomas, Grant; De Moor, Emmanuel. 2019. "Processing Variants in Medium-Mn Steels." Metals 9, no. 7: 771.
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