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Accelerated spheroidization induced by high intensity electric pulse in a severely deformed eutectoid steel

Published online by Cambridge University Press:  31 January 2011

Edwin I. Samuel ,
Arghya Bhowmik  and
Rongshan Qin
Arghya Bhowmik
Affiliation:
Graduate Institute for Ferrous Technology, Pohang University of Science and Technology, Pohang 790-784, Republic of Korea
Rongshan Qin*
Affiliation:
Graduate Institute for Ferrous Technology, Pohang University of Science and Technology, Pohang 790-784, Republic of Korea; and Department of Materials, Imperial College London, London SW7 2AZ, United Kingdom
*
a)Address all correspondence to this author. e-mail: r.qin@imperial.ac.uk
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Abstract

Application of high intensity electric pulse (HIEP) to a severely deformed eutectoid microstructure in high carbon steel wire has resulted in spheroidized microstructure. The observed spheroidization on electropulsing is compared with that reported for isothermal/thermo-mechanical annealing of the pearlite structure. The faster kinetics observed in this study has been rationalized in terms of accelerated kinetics induced by HIEP.

Keywords

SteelMicrostructureDiffusion
Type
Materials Communications
Information
Journal of Materials Research , Volume 25 , Issue 6 , June 2010 , pp. 1020 - 1024
Copyright
Copyright © Materials Research Society 2010

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References

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