Texture gradient determination in aluminum alloy extruded bars and evolution with heat treatments
This experiment is framed in an ongoing project aimed at determining the microscopic residual stresses, m-RS, resulting from thermo-mechanical treatments in aluminum alloys. The method which will be developed will require not only data from diffraction peaks of different hkls for different directions but also detailed data of the macro- and micro-texture (EBSD) at different locations of the sample. Finally, evolutionary algorithms will be used to calculate, from the above data, the triaxial stress state of individual grains (of known spatial orientation) from a representative group. A stress map will be, finally constructed. The present proposal will concentrate on the determination of the texture and texture gradient aluminium alloy extruded cylindrical bars. Extruded bars have been selected for their simple revolution symmetry that should lead to the development of fiber textures.
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GONZALEZ DONCEL Gaspar; CABEZA Sandra; J Campo; R. Fernández; LALIENA Victor; MILLAN GARCIA LAURA; OULADDIAF Bachir and PUENTE ORENCH Ines. (2020). Texture gradient determination in aluminum alloy extruded bars and evolution with heat treatments. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.1-01-173
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