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Related Experiment Video

Updated: Apr 15, 2026

Applying Dynamic Strain on Thin Oxide Films Immobilized on a Pseudoelastic Nickel-Titanium Alloy

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Published on: July 28, 2020

Research on Texture Variation Mechanism of Ti-3Al-2.5V Titanium Alloy Tube During Cold-Rolling Process.

Huiyan Ge^1,2,3, Yumeng Luo^1,2,3, Boya Wang^1,2,3

¹State Key Laboratory of Nonferrous Structural Materials, China GRINM Group Co., Ltd., Beijing 100088, China.

Materials (Basel, Switzerland)

|April 14, 2026

Summary

This study reveals how cold rolling affects Ti-3Al-2.5V tube texture. Higher Q ratios promote radial texture by enhancing {101-2} twinning and grain alignment during the sinking process.

Keywords:

Ti-3Al-2.5V alloy texture variation mechanism ‘Q’ ratio

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Last Updated: Apr 15, 2026

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Area of Science:

Materials Science
Metallurgy
Aerospace Engineering

Background:

Titanium alloys are crucial for aerospace hydraulic systems.
Understanding texture evolution in Ti-3Al-2.5V tubes during cold rolling is vital for performance.
Deformation mechanisms like slip and twinning significantly influence material properties.

Purpose of the Study:

To elucidate the texture formation mechanism during cold rolling of Ti-3Al-2.5V tubes.
To investigate the effect of 'Q' ratio on texture evolution and microstructure.
To identify the primary mechanisms responsible for radial texture development.

Main Methods:

Microstructural analysis of deformation cones at different 'Q' ratios (1.055 and 1.300).
Examination of texture development during a single cold-rolling pass.
Analysis of dislocation slip and {101-2} twinning contributions to texture.

Main Results:

Cold-rolling texture predominantly forms in the sinking section of the deformation cone.
A higher 'Q' ratio intensifies the alignment of grain c-axes parallel to the tube's radial direction.
Increased 'Q' ratio elevates the Schmid factor for {101-2} twinning, promoting radial texture formation.

Conclusions:

The 'Q' ratio significantly influences texture by altering stress states and facilitating twinning.
{101-2} twinning is a key mechanism for developing radial texture in Ti-3Al-2.5V tubes.
Higher 'Q' ratios result in stronger radial texture due to increased twin activation and specific grain rotation.