Paper Title:
Effect of Austenite on Drawing Limit of Ferrite-Austenite Dual Phase Wire
  Abstract

The drawability of ferrite-austenite dual phase wires decreased with increasing volume fraction and decreasing mechanical stability of austenite. The interface of the martensite and ferrite was identified as the void nucleation site and the number density of voids increased with increasing austenite volume fraction. The plastic incompatibility at the interface was assumed to be the main reason for void nucleation. The ferrite-austenite dual phase steels could be drawn to a maximum true strain of 8.0 without intermediate heat treatment. The tensile strength of the drawn wires increased with increasing volume fraction of austenite or, in other words, with increasing volume fraction of transformed martensite.

  Info
Periodical
Materials Science Forum (Volumes 654-656)
Main Theme
Edited by
Jian-Feng Nie and Allan Morton
Pages
78-81
DOI
10.4028/www.scientific.net/MSF.654-656.78
Citation
S. H. Lee, H. C. Lee, "Effect of Austenite on Drawing Limit of Ferrite-Austenite Dual Phase Wire", Materials Science Forum, Vols. 654-656, pp. 78-81, 2010
Online since
June 2010
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Price
$32.00
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