Effect of Heat Treatment on Weld Microstructure and Mechanical Properties of TA1 Titanium Tube

Dezhu Zhang; Run Wang

doi:10.6919/ICJE.202502_11(2).0016

Authors

Dezhu Zhang
Run Wang

DOI:

https://doi.org/10.6919/ICJE.202502_11(2).0016

Keywords:

TA1 Titanium Tube; Heat Treatment; Molecular Dynamics Simulation; Compression.

Abstract

This study investigates the effects of heat treatment processes on the microstructure and mechanical properties of high-frequency induction welded TA1 titanium tubes obtained through drawing, aiming to determine the optimal heat treatment parameters. Additionally, molecular dynamics simulations were employed to study the flattening performance of the material under different heat treatment conditions. The results show that at an annealing temperature of 873 K, the sample undergoes a low degree of recrystallization. As the annealing temperature increases, the boundaries of recrystallized grains become progressively clearer, and the grains grow larger. At 973 K, the grains are nearly equiaxed, while at 1073 K, complete recrystallization occurs with the nucleation and growth of new grains. The 873 K annealing condition achieves the best balance of strength, plasticity, and overall performance, making it the optimal choice for improving the compressive properties of titanium materials. High-temperature annealing should be avoided to reduce the risks of grain coarsening and performance degradation caused by microstructural inhomogeneity.

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