Paper Title:
Modeling Recrystallization for 3D Multi-Pass Forming Processes
  Abstract

The present work concerns the simulation of metallurgical evolutions in 3D multi-pass forming processes. In this context, the analyzed problem is twofold. One point refers to the management of the microstructure evolution during each pass or each inter-pass period and the other point concerns the management of the multi-pass aspects (different grain categories, data structure). In this framework, a model is developed and deals with both aspects. The model considers the microstructure as a composite made of a given (discretized) number of phases which have their own specific properties. The grain size distribution and the recrystallized volume fraction distribution of the different phases evolve continuously during a pass or inter-pass period. With this approach it is possible to deal with the heterogeneity of the microstructure and its evolution in multi-pass conditions. Both dynamic and static recrystallization phenomena are taken into account, with typical Avrami-type equations. The present model is implemented in the Finite Element code FORGE2005®. 3D numerical simulation results for a multi-pass process are presented.

  Info
Periodical
Materials Science Forum (Volumes 558-559)
Edited by
S.-J.L. Kang, M.Y. Huh, N.M. Hwang, H. Homma, K. Ushioda and Y. Ikuhara
Pages
1201-1206
DOI
10.4028/www.scientific.net/MSF.558-559.1201
Citation
M. Teodorescu, P. Lasne, R. E. Logé, "Modeling Recrystallization for 3D Multi-Pass Forming Processes", Materials Science Forum, Vols. 558-559, pp. 1201-1206, 2007
Online since
October 2007
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Price
$32.00
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