Article Dans Une Revue Materials Characterization Année : 2025

Achieving basal texture in pure titanium: Process implementation and mechanical property evaluation

Obtention d'une texture basale dans le titane pur : mise en œuvre du procédé et évaluation des propriétés mécaniques

Résumé

The strong crystallographic texture in titanium sheets leads to anisotropic mechanical properties, complicating forming processes. In this article, we outline a straightforward industrial thermomechanical process to achieve a basal texture in commercially pure titanium. This process involves cold rolling followed by annealing, without needing to modify the sheet's initial grain size or its mechanical properties (E, Rm, ε%). Notably, while the basal texture is seldom intentionally produced in titanium sheets, it is well-documented in magnesium alloys, where it promotes isotropic properties within the sheet plane. Tensile tests, aided by image correlation, confirm that planar isotropy and an improved deep-drawability (measured by the Lankford coefficient) are attained. Initial EBSD analysis determined the optimal temperature and annealing time. The article will detail the rollingannealing protocol necessary to achieve this desirable basal texture.

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hal-05217646 , version 1 (21-08-2025)

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Mélaine Tournay, Jean-Sébastien Lecomte, Christophe Schuman, Y. D. Zhang, Eric Fleury. Achieving basal texture in pure titanium: Process implementation and mechanical property evaluation. Materials Characterization, 2025, 223, pp.114898. ⟨10.1016/j.matchar.2025.114898⟩. ⟨hal-05217646⟩
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