Paper Title:
Determination of the Kinetics for Dynamic and Static Recrystallization by Using the Flow Curves
  Abstract

Improved methods to estimate the kinetics of dynamic and static recrystallization are proposed in this paper. The kinetics for dynamic and static recrystallization can be evaluated by inverse analysis of the flow curves obtained using the single-hit and double-hit hot compression tests carried out on Gleeble 3500. The dynamic and static recrystallization volume fractions can be seen as functions of plastic strain and time, respectively. The mathematical formulations between the recrystallization volume fractions and the dislocation density related to the flow stress are used in incremental forms in the study. The methods are applied to the hot compression tests of plain carbon steel and the kinetics of dynamic and static recrystallization are gained successfully for some conditions at elevated temperature. The results are clarified by comparing them with those reported in previous investigations. It is confirmed that the present methods can provide accurate kinetics for dynamic and static recrystallization with shorter time for experiment and computation.

  Info
Periodical
Materials Science Forum (Volumes 575-578)
Edited by
Jitai NIU, Zuyan LIU, Cheng JIN and Guangtao Zhou
Pages
904-909
DOI
10.4028/www.scientific.net/MSF.575-578.904
Citation
J. Wang, H. Xiao, "Determination of the Kinetics for Dynamic and Static Recrystallization by Using the Flow Curves", Materials Science Forum, Vols. 575-578, pp. 904-909, 2008
Online since
April 2008
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