A Procedure Based on Magnetic Induction to Evaluate the Effect of Plastic Deformation by Multiaxial Stresses on TRIP Steels

Valentín Miguel; F.J. Avellaneda; Juana Coello; Alberto Martínez-Martínez; Antonio Calatayud

doi:10.4028/www.scientific.net/MSF.713.1

Paper Titles

A Procedure Based on Magnetic Induction to Evaluate the Effect of Plastic Deformation by Multiaxial Stresses on TRIP Steels
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A Procedure Based on Magnetic Induction to Evaluate the Effect of Plastic Deformation by Multiaxial Stresses on TRIP Steels

Abstract:

As it is well-known, TRIP 800 steels modify their structure with the deformation grade. So, part of the retained austenite turns into martensite by plastic deformation. The usual techniques tried out to evaluate this transformation whether do not lead to obtain good results or the experimentation with them is very complex. In this work, a magnetic induction method is experimented and developed in order to determine the evolution of a TRIP 800 steel microstructure with the strain grade. The variables that can have influence on this kind of analysis methodology have been studied and their effects evaluated. This method has been applied to determine the induced martensite by deformation under conditions of pure shear deformation. Results point that this method allows to state that the microstructure evolution taking place in TRIP 800 steels is not proportional to the strain applied.

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Materials Science Forum (Volume 713)

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1-6

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.713.1

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Online since:

February 2012

Authors:

Valentín Miguel, F.J. Avellaneda, Juana Coello, Alberto Martínez-Martínez, Antonio Calatayud

Keywords:

Deformation, Ferritscope, Induced Martensite, TRIP 800

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