Abstract
By identifying the relationship between the time required to obtain bainite and parameters such as the transformation temperature and carbon concentration, it has been possible to institute a design procedure that led to the desired mechanical properties and transformation characteristics. The work has also identified difficulties in the calculation of tensile elongation on the basis of a percolation model, which suggests that fracture occurs when the fraction of austenite drops below the percolation threshold in the microstructure.
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We are grateful to Professor Hae-Geon Lee, Graduate Institute of Ferrous Technology, for the provision of laboratory facilities at POSTECH, and to POSCO for help and support.
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Manuscript submitted March 16, 2009.
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Khare, S., Lee, K. & Bhadeshia, H. Carbide-Free Bainite: Compromise between Rate of Transformation and Properties. Metall Mater Trans A 41, 922–928 (2010). https://doi.org/10.1007/s11661-009-0164-z
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DOI: https://doi.org/10.1007/s11661-009-0164-z