Abstract
The size of martensite plates formed in a commercial 01 tool steel austenitized at 982°C (1800°F) to an ASTM grain size No. 9.4 has been studied and data are compared with those obtained previously on the same steel austenitized at 1204°C (2200°F) to an ASTM grain size No. 2.5. In the fine-grained austenite the first half of the martensitic transformation involves plates of the same diameter and thickness whereas in the coarse-grain austenite transformation involves plates of gradually decreasing diameter but of constant thickness. The reason for this behavior is unclear.
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Formerly stu-dent at Purdue University
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Chen, W.Y.C., Jones, E.N. & Winchell, P.G. The size of martensite plates in 01 tool steel. Metall Trans A 9, 1659–1661 (1978). https://doi.org/10.1007/BF02661949
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DOI: https://doi.org/10.1007/BF02661949