Influence of Thermo-Mechanical Treatments on the Stored Energy Simulated by FEM for Two Low Carbon Steels

Abstract:

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The stored energy of two cold rolled IF-Ti steels is calculated using finite element method from an EBSD microstructure. Because the thermo-mechanical treatments are different for the two materials, the parameters of the behaviour law used in the simulation and identified using a polycrystalline model and an inverse method from experimental results are also different. Their variation is due to the number of experimental tests taken into account for their identification and obviously to the thermo-mechanical path. The stored energy is mainly influenced by Lu which represents the mean free path of the mobile dislocations gliding on the system u and which is expressed as a function of a K material parameter. Using one tension test, the experimental stored energy values estimated from neutron diffraction measurements can be reproduced only for a material parameter K fixed.

Info:

Periodical:

Materials Science Forum (Volumes 495-497)

Edited by:

Paul Van Houtte and Leo Kestens

Pages:

1291-1296

DOI:

10.4028/www.scientific.net/MSF.495-497.1291

Citation:

T. Baudin et al., "Influence of Thermo-Mechanical Treatments on the Stored Energy Simulated by FEM for Two Low Carbon Steels ", Materials Science Forum, Vols. 495-497, pp. 1291-1296, 2005

Online since:

September 2005

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$35.00

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