Paper Title:
Investigation of Forming Conditions on Microstructure Development and Mechanical Stability of Trip Steel
  Abstract

Experimental simulations of thermomechanical processing (TM) using press forging of Si-Mn TRIP (transformation induced plasticity) steel were performed. In order to rationalize the retained austenite (RA) volume fraction, six TM schedules were employed at experiment where different austenite conditioning was considered. The various multiphase structure characteristics were obtained after of TM processing, with different volume fraction of ferrite, bainite and RA. The modification of structural characteristics influenced the mechanical properties of TRIP steel. The present work also focuses on monitoring of RA transformation during mechanical incremental straining using in situ neutron diffraction technique. This method is used to characterize the kinetics of RA transformation and its stability during the straining.

  Info
Periodical
Materials Science Forum (Volumes 575-578)
Edited by
Jitai NIU, Zuyan LIU, Cheng JIN and Guangtao Zhou
Pages
1396-1401
DOI
10.4028/www.scientific.net/MSF.575-578.1396
Citation
J. Zrník, O. Murnsky, P. Horňak, M. Fujda, "Investigation of Forming Conditions on Microstructure Development and Mechanical Stability of Trip Steel", Materials Science Forum, Vols. 575-578, pp. 1396-1401, 2008
Online since
April 2008
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Price
$32.00
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