Print Email Facebook Twitter Determination of mode switching in cyclic partial phase transformation in Fe-0.1C-xMn alloys as a function of the Mn concentration Title Determination of mode switching in cyclic partial phase transformation in Fe-0.1C-xMn alloys as a function of the Mn concentration Author Farahani, H. (TU Delft (OLD) MSE-3; TU Delft Novel Aerospace Materials) Xu, W. (Northeastern University China) van der Zwaag, S. (TU Delft Novel Aerospace Materials; Tsinghua University) Date 2019 Abstract Controlling the kinetics of austenite decomposition by controlled partitioning of alloying elements, in particular carbon and manganese, is the key factor for optimizing the microstructures of advanced high-strength steels. In this study, a systematic set of computational and experimental cyclic partial phase transformations in low to medium manganese steels revealed a critical manganese concentration range of 1.5–2.5 mass% at which designated manganese partitioning at moving austenite–ferrite interfaces can be used to locally increase the effective Mn concentration and temporarily suspend further transformation during subsequent cooling. Most interestingly, this critical concentration only becomes visible in cases of reversed partial transformations in the intercritical regime and is un-noticeable in continuous cooling or conventional isothermal treatments. To reference this document use: http://resolver.tudelft.nl/uuid:9914a627-c78f-46ee-ab02-81ef2031de1a DOI https://doi.org/10.1007/s11837-018-03323-5 ISSN 1047-4838 Source JOM, 71 (4), 1313 - 1321 Part of collection Institutional Repository Document type journal article Rights © 2019 H. Farahani, W. Xu, S. van der Zwaag Files PDF Farahani2019_Article_Dete ... hingIn.pdf 2.87 MB Close viewer /islandora/object/uuid:9914a627-c78f-46ee-ab02-81ef2031de1a/datastream/OBJ/view