Paper Title:
Ultrafine Grained Dual Phase Steels Fabricated by Equal Channel Angular Pressing
  Abstract

Ultrafine grained (UFG) ferrite-martensite dual phase steels were fabricated by equal channel angular pressing and subsequent intercritical annealing. Their room temperature tensile properties were examined and compared to those of coarse grained counterpart. The formation of UFG martensite islands of ~ 1 μm was not confined to the former pearlite colonies but they were uniformly distributed throughout UFG matrix. The strength of UFG dual phase steels was much higher than that of coarse grained counterpart but uniform and total elongation were not degraded. More importantly, unlike most UFG metals showing negligible strain hardening, the present UFG dual phase steels exhibited extensive rapid strain hardening.

  Info
Periodical
Materials Science Forum (Volumes 503-504)
Edited by
Zenji Horita
Pages
447-454
DOI
10.4028/www.scientific.net/MSF.503-504.447
Citation
D. H. Shin, W. G. Kim, J. Y. Ahn, K. T. Park, Y. S. Kim, "Ultrafine Grained Dual Phase Steels Fabricated by Equal Channel Angular Pressing", Materials Science Forum, Vols. 503-504, pp. 447-454, 2006
Online since
January 2006
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Price
$32.00
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