Effect of friction conditions on phase transformation characteristics in hot forging process of Ti-6Al-4 V turbine blade | Zendy

Shiyuan Luo | Zendy; Qiang Wang | Zendy; Po Zhang | Zendy; Jia Li | Zendy; Qinglong Liu | Zendy

Open Access

Effect of friction conditions on phase transformation characteristics in hot forging process of Ti-6Al-4 V turbine blade

Author(s) -

Shiyuan Luo,

Qiang Wang,

Po Zhang,

Jia Li,

Qinglong Liu

Publication year - 2019

Publication title -

journal of materials research and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.832

H-Index - 44

eISSN - 2214-0697

pISSN - 2238-7854

DOI - 10.1016/j.jmrt.2019.12.041

Subject(s) - materials science , forging , volume fraction , phase (matter) , lamellar structure , microstructure , titanium alloy , blade (archaeology) , turbine blade , metallurgy , composite material , work (physics) , titanium , turbine , alloy , mechanical engineering , chemistry , organic chemistry , engineering

This work is motivated by the fact that friction has a significant impact on the microstructures of titanium forged parts, further influencing their mechanical properties. In this paper, a 3D FE model is developed to investigate the phase transformation characteristics of Ti-6Al-4V turbine blade in the hot forging process. Then, the effect of friction conditions on temperature and phase transformations within the forged blade are analyzed numerically and verified by experiments. The results reveal that compared with a less influence on lamellar α + β phase, a good lubricated condition obviously increases the average volume fraction of α phase, while decreases the average values of temperature and β phase volume fraction as well as the distribution uniformities of α and β phases.

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