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Article Dans Une Revue Advanced Materials Research Année : 2014

Influence of Morphological Texture on Stresses Analysis by X-Ray and Neutron Diffraction: Accounting for Extreme Morphologies

Résumé

This work investigates, by diffraction methods, the morphological texture influence on the residual stress analysis in polycrystals having cubic or hexagonal symmetries. Different extreme crystallite morphologies (sphere, disc and fiber, with their principal axes aligned along common directions) were considered in the present study. In a second part, crystallographic textures were accounted for, also, enabling to reflect the combined effect of the simultaneous occurrence of morphological and crystallographic textures. A stronger influence of morphological texture than that of the crystallographic texture in terms of stresses was observed. The main purpose of this work is to make the best choice of lattice planes (hkl) used for residual stress analysis, in elasticity, depending on the morphological (and crystallographic) texture of the polycristal.
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hal-01063556 , version 1 (06-02-2024)

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Viwanou Hounkpati, Sylvain Fréour, David Gloaguen, Vincent Legrand. Influence of Morphological Texture on Stresses Analysis by X-Ray and Neutron Diffraction: Accounting for Extreme Morphologies. Advanced Materials Research, 2014, 996, pp.100-105. ⟨10.4028/www.scientific.net/AMR.996.100⟩. ⟨hal-01063556⟩
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