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The influence of deformation on microstructure evolution of low alloy TRIP steel

Lucia Suarez, Josep A Benito, Pablo Rodriguez Calvillo, Daniel Casellas, Yvan Houbaert UGent, Roumen Petrov UGent and José Manuel Prado (2010) Materials Science Forum. In Materials Science Forum 638-642. p.3531-3536
abstract
Low alloy transformation-induced plasticity aided (TRIP) steels have attracted much interest over the last years. TRIP steels were initially developed for automotive applications as they offer an excellent combination of strength and ductility at reasonable costs. These excellent mechanical properties mainly arise from a complex multiphase microstructure of a ferrite matrix and a dispersion of multiphase grains of bainite, martensite and metastable retained austenite. The relevant influence of microstructure on physical and mechanical properties makes metallographic study essential for an appropriate understanding and improvement of the mechanical behavior. An accurate microstructural characterization and quantification of the amount of the different constituents is indispensable to know how the stresses and strains are distributed within the different microstructural constituents. Among the different characterization methods commonly used electron backscatter diffraction (EBSD) appears to be the unique technique able to observe retained austenite grains often no larger than 1 mu m. The present work shows the evolution of retained austenite while straining. Microstructural and,textural evolution after different strains was examined by optical microscopy OM, EBSD and XRD techniques on TRIP800 steel. EBSD technique appears as a powerful tool for characterizing the complex multiphase steel microstructure and provides an accurate evaluation of the local crystallographic texture. It allows to measure orientation gradients within individual grains of each different phase. The distinction between some phases is observed.
Please use this url to cite or link to this publication:
author
organization
year
type
conference
publication status
published
subject
keyword
strain, TRIP steel, microstructure, EBSD, TEXTURE, retained austenite, ASSISTED STEELS
in
Materials Science Forum
Mater. Sci. Forum
editor
T Chandra, N Wanderka, W Reimers and M Ionescu
series title
Materials Science Forum
volume
638-642
issue title
THERMEC 2009, pts 1-4
pages
3531 - 3536
publisher
Trans Tech
place of publication
Stafa-Zürich, Switzerland
conference name
6th International conference on Processing and Manufacturing of Advanced Materials (THERMEC 2009)
conference location
Berlin, Germany
conference start
2009-08-25
conference end
2009-08-29
Web of Science type
Proceedings Paper
Web of Science id
000281043801249
ISSN
0255-5476
DOI
10.4028/www.scientific.net/MSF.638-642.3531
language
English
UGent publication?
yes
classification
P1
copyright statement
I have transferred the copyright for this publication to the publisher
id
1082002
handle
http://hdl.handle.net/1854/LU-1082002
date created
2010-12-03 14:50:46
date last changed
2011-09-27 15:42:52
@inproceedings{1082002,
  abstract     = {Low alloy transformation-induced plasticity aided (TRIP) steels have attracted much interest over the last years. TRIP steels were initially developed for automotive applications as they offer an excellent combination of strength and ductility at reasonable costs. These excellent mechanical properties mainly arise from a complex multiphase microstructure of a ferrite matrix and a dispersion of multiphase grains of bainite, martensite and metastable retained austenite. The relevant influence of microstructure on physical and mechanical properties makes metallographic study essential for an appropriate understanding and improvement of the mechanical behavior.
An accurate microstructural characterization and quantification of the amount of the different constituents is indispensable to know how the stresses and strains are distributed within the different microstructural constituents. Among the different characterization methods commonly used electron backscatter diffraction (EBSD) appears to be the unique technique able to observe retained austenite grains often no larger than 1 mu m. The present work shows the evolution of retained austenite while straining. Microstructural and,textural evolution after different strains was examined by optical microscopy OM, EBSD and XRD techniques on TRIP800 steel.
EBSD technique appears as a powerful tool for characterizing the complex multiphase steel microstructure and provides an accurate evaluation of the local crystallographic texture. It allows to measure orientation gradients within individual grains of each different phase. The distinction between some phases is observed.},
  author       = {Suarez, Lucia and Benito, Josep A and Rodriguez Calvillo, Pablo and Casellas, Daniel and Houbaert, Yvan and Petrov, Roumen and Prado, Jos{\'e} Manuel},
  booktitle    = {Materials Science Forum},
  editor       = {Chandra, T and Wanderka, N and Reimers, W and Ionescu, M},
  issn         = {0255-5476},
  keyword      = {strain,TRIP steel,microstructure,EBSD,TEXTURE,retained austenite,ASSISTED STEELS},
  language     = {eng},
  location     = {Berlin, Germany},
  pages        = {3531--3536},
  publisher    = {Trans Tech},
  title        = {The influence of deformation on microstructure evolution of low alloy TRIP steel},
  url          = {http://dx.doi.org/10.4028/www.scientific.net/MSF.638-642.3531},
  volume       = {638-642},
  year         = {2010},
}

Chicago
Suarez, Lucia, Josep A Benito, Pablo Rodriguez Calvillo, Daniel Casellas, Yvan Houbaert, Roumen Petrov, and José Manuel Prado. 2010. “The Influence of Deformation on Microstructure Evolution of Low Alloy TRIP Steel.” In Materials Science Forum, ed. T Chandra, N Wanderka, W Reimers, and M Ionescu, 638-642:3531–3536. Stafa-Zürich, Switzerland: Trans Tech.
APA
Suarez, Lucia, Benito, J. A., Rodriguez Calvillo, P., Casellas, D., Houbaert, Y., Petrov, R., & Prado, J. M. (2010). The influence of deformation on microstructure evolution of low alloy TRIP steel. In T. Chandra, N. Wanderka, W. Reimers, & M. Ionescu (Eds.), Materials Science Forum (Vol. 638–642, pp. 3531–3536). Presented at the 6th International conference on Processing and Manufacturing of Advanced Materials (THERMEC 2009), Stafa-Zürich, Switzerland: Trans Tech.
Vancouver
1.
Suarez L, Benito JA, Rodriguez Calvillo P, Casellas D, Houbaert Y, Petrov R, et al. The influence of deformation on microstructure evolution of low alloy TRIP steel. In: Chandra T, Wanderka N, Reimers W, Ionescu M, editors. Materials Science Forum. Stafa-Zürich, Switzerland: Trans Tech; 2010. p. 3531–6.
MLA
Suarez, Lucia, Josep A Benito, Pablo Rodriguez Calvillo, et al. “The Influence of Deformation on Microstructure Evolution of Low Alloy TRIP Steel.” Materials Science Forum. Ed. T Chandra et al. Vol. 638–642. Stafa-Zürich, Switzerland: Trans Tech, 2010. 3531–3536. Print.