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

Le résumé fourni par la source

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 rolling-annealing protocol necessary to achieve this desirable basal texture. • Improved Deep-Drawability and Planar Isotropy in Pure Titanium through Controlled Cold Rolling and Annealing. • Achievement of a Fully Basal Texture in Pure Titanium for Enhanced Mechanical Properties. • Critical Role of Twinning in Texture Evolution and Mechanical Property Enhancement. • Optimization of Thermomechanical Processing for Basal Texture Development in Pure Titanium.

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