Modeling the austenite-ferrite transformation in microalloyed steel P510L

Wan-hua Yu; Lü-ting Xu; Guang-hong Feng; Chun-jing Wu; Cheng Zhou; Hui-feng Wang

doi:10.1007/s12613-010-0357-x

International Journal of Minerals, Metallurgy, and Materials ›› 2010, Vol. 17 ›› Issue (5) : 558 -566. DOI: 10.1007/s12613-010-0357-x

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Modeling the austenite-ferrite transformation in microalloyed steel P510L

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Abstract

Based on experimental results, the transformation kinetics and cooling characteristics of low-carbon steel were analyzed and modeled to quantitatively link the operational parameters of a process with the properties. From the continuous cooling transformation results, comparisons of the start temperature of austenite-ferrite transformation among three models were analyzed, and the optimal lnk and n, which are the parameters in the Avrami equation, were determined by applying two regression models at different cooling rates. The transformation kinetics during continuous cooling was determined. Furthermore, reasonable agreements between experimental results and predictions were obtained, which can demonstrate the rationality of the established models.

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models / phase transformation / regression analysis / kinetics

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Wan-hua Yu, Lü-ting Xu, Guang-hong Feng, Chun-jing Wu, Cheng Zhou, Hui-feng Wang. Modeling the austenite-ferrite transformation in microalloyed steel P510L. International Journal of Minerals, Metallurgy, and Materials, 2010, 17(5): 558-566 DOI:10.1007/s12613-010-0357-x

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