Abstract
Electropulsing treatment was applied to high carbon pearlitic steel to assess the effects of the treatment on microstructure and properties. Ferrite recrystallisation and cementite spheroidisation were induced in samples treated at pulse duration and frequency greater than 40μs and 50Hz, respectively. Ferrite grain size of electropulsed samples was refined compared to similarly annealed samples. The results are explained through a combination of heating and athermal dislocation and atomic mobility effects. With optimisation, electropulsing may offer an improved annealing processing method.
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