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See detailDevelopment of an experimental equipment for the identification of constitutive laws
Flores, Paulo; Rondia, Etienne ULg; Habraken, Anne ULg

in International Journal of Forming Processes (2005), (Special Issue), 117-137

An experimental testing equipment for sheet samples is built in order to identify material parameters ofcomplex phenomenological constitutive laws. This equipment consists in a bi-axial test machine able ... [more ▼]

An experimental testing equipment for sheet samples is built in order to identify material parameters ofcomplex phenomenological constitutive laws. This equipment consists in a bi-axial test machine able to perform plane strain and simple shear tests separately or simultaneously and a Miyauchi simple shear test device. An optical extensometer is used to identify the strain field. The article is focused on the validation of the results of this new equipment by comparing with results obtained by finite elements (FE) simulations of already identified materials. The results are satisfactory and the bases for further material identification are established. [less ▲]

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See detailProgress in microscopic modeling of damage in steel at high temperature
Remy, M.; Castagne, Sylvie; Habraken, Anne ULg

in International Journal of Forming Processes (2002), 5(N°2-3-4/2002), 445-455

With the goal to study crack propagation in continuous casting, this paper presents an on going project to develop and identify a mathematical finite element model of damage in steel at high temperature ... [more ▼]

With the goal to study crack propagation in continuous casting, this paper presents an on going project to develop and identify a mathematical finite element model of damage in steel at high temperature. A representative microscopic cell of the material is presented and adapted to available chemical information, precipitation state and micro-structures observed using metallographic as weel as imaging methods (optical microscopy, SEM, orientation imaging microscopy). Compression tests of cylindrical samples after a thermal treatment have been performed to identify the parameters of an elasto-visco-plastique law of Norton-Hoff type. Hot damage tests in tensile and compression states help to provide information on crack appearance. [less ▲]

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See detailDynamic Recrystallization during Zinc Rolling
Habraken, Anne ULg; Charles, J.-F.; Wegria, J. et al

in International Journal of Forming Processes (1998), 1

Detailed reference viewed: 84 (12 ULg)