Paper Title:
Graphitization Behavior of a Spray Formed Ultra High Carbon Steel during Hot Rolling
  Abstract

The effect of hot rolling parameters on graphitization of a spray formed ultra high carbon steels(UHCSs) was described. The number of graphite stringers and graphite area fractions increased with the increase of rolling reduction. Graphite stringers nucleated at small pores and grew by carbon diffusion from adjacent austenite during hot rolling. Alloy contents, pores and hot deformation atγ+Fe3C phase range are the key factors for graphitization.The graphite stringers of UHCSs have little effect on tensile strength, but reduce the ductility at room temperature.

  Info
Periodical
Materials Science Forum (Volumes 539-543)
Main Theme
Edited by
T. Chandra, K. Tsuzaki, M. Militzer , C. Ravindran
Pages
4550-4555
DOI
10.4028/www.scientific.net/MSF.539-543.4550
Citation
H. S. Shi, G. M. Luo, J. F. Fan, Y. J. Lin, J. G. Zhang, "Graphitization Behavior of a Spray Formed Ultra High Carbon Steel during Hot Rolling", Materials Science Forum, Vols. 539-543, pp. 4550-4555, 2007
Online since
March 2007
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