Abstract
Austenite grain growth kinetics have been investigated in three Al-killed plain carbon steels. Experimental results have been validated using the statistical grain growth model by Abbruzzese and Lücke, which takes pinning by second-phase particles into account. It is shown that the pinning force is a function of the pre-heat-treatment schedule. Extrapolation to the conditions of a hot-strip mill indicates that grain growth occurs without pinning during conventional processing. Analytical relations are proposed to simulate austenite grain growth for Al-killed plain carbon steels for any thermal path in a hot-strip mill.
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Militzer, M., Hawbolt, E.B., Ray Meadowcroft, T. et al. Austenite grain growth kinetics in Al-killed plain carbon steels. Metall Mater Trans A 27, 3399–3409 (1996). https://doi.org/10.1007/BF02595433
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DOI: https://doi.org/10.1007/BF02595433