Abstract
In this research work, annealed AISI 1080 steel bars (coarse pearlitic structure) were subjected to cyclic heat treatments (1–3 cycles) that involved repeated short duration (6 min) holding at a temperature of 775 °C (in fully austenitic region) followed by oil quenching to room temperature. This thermal cycling resulted in substantial hardness improvement after 3 cycles with the evolution of a novel microstructure that comprised clusters and submicroscopic spheroids of cementite in a matrix of martensite.
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Mishra, A., Saha, A. & Maity, J. Microstructure Evolution in AISI 1080 Eutectoid Steel Under Cyclic Quenching Treatment. Metallogr. Microstruct. Anal. 4, 355–370 (2015). https://doi.org/10.1007/s13632-015-0222-4
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DOI: https://doi.org/10.1007/s13632-015-0222-4