Paper Title:
Spheroidization Behavior of Cementite in a High Carbon Steel
  Abstract

The effect of initial microstructure, cold reduction ratio, and annealing temperature on the spherodization rate of SK85 high carbon steel sheet was investigated. High carbon steel sheet fabricated by POSCO was soaked at 800oC for 2 hr in a box furnace and then treated at 570oC for 5 min in a salt bath furnace followed by water quenching to obtain a fine pearlite structure. Cold rolling was conducted on the sheets of fine pearlite by reduction ratios of 20, 30, and 40 % and heat treatment for spheroidization was carried out at 600 and 720oC for the various time intervals from 0.1 to 32 hrs. Area fraction of spheroidized cementite was measured with an image analyzer as a function of cold reduction ratios and duration times.

  Info
Periodical
Materials Science Forum (Volumes 654-656)
Main Theme
Edited by
Jian-Feng Nie and Allan Morton
Pages
150-153
DOI
10.4028/www.scientific.net/MSF.654-656.150
Citation
T. K. Ha, C. H. Lee, K. S. Kim, "Spheroidization Behavior of Cementite in a High Carbon Steel", Materials Science Forum, Vols. 654-656, pp. 150-153, 2010
Online since
June 2010
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$32.00
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