Effect of solution treatment on microstructure and friction and  wear properties of Ti-14Al-10Nb alloy

doi:10.13251/j.issn.0254-6051.2023.12.008

Abstract

Abstract: Effect of solution treatment on the microstructure and friction and wear properties of Ti-14Al-10Nb alloy was investigated. The results show that the microstructure of the as-forged Ti-14Al-10Nb alloy is composed of α₂ and β phases, with the α₂ phase in a fine, curved rod-like form. The increase of solution temperature promotes the transformation of α₂ phase to β phase, resulting in a decrease in the content of α₂ phase and a gradual coarsening of the rod-like α₂ phase morphology. The friction coefficient and wear mass loss of the as-forged Ti-14Al-10Nb alloy are smaller than those of the solution treated specimens, indicating that the wear resistance of the alloy is better in the forged state. The wear resistance of the alloy decreases as the dissolution of the α₂ phase increases with the increase of solution temperature. The main forms of wear of the Ti-14Al-10Nb alloy are abrasive wear and oxidation wear.

Key words: Ti-14Al-10Nb alloy, heat treatment, microstructure, friction and wear properties

CLC Number:

TG166.5

Qin Chun, Duan Haozhuo, Li Wei. Effect of solution treatment on microstructure and friction and wear properties of Ti-14Al-10Nb alloy[J]. Heat Treatment of Metals, 2023, 48(12): 56-59.

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Effect of solution treatment on microstructure and friction and wear properties of Ti-14Al-10Nb alloy

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