Hot deformation behavior and processing maps of TA18 titanium alloy

Peng Li; Jiang Jian; Luo Xiaofeng; Shen Xueliang; Wang Ying; Xing Yuan

doi:10.7513/j.issn.1004-7638.2022.06.007

Volume 43 Issue 6

Jan. 2023

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Peng Li, Jiang Jian, Luo Xiaofeng, Shen Xueliang, Wang Ying, Xing Yuan. Hot deformation behavior and processing maps of TA18 titanium alloy[J]. IRON STEEL VANADIUM TITANIUM, 2022, 43(6): 45-50. doi: 10.7513/j.issn.1004-7638.2022.06.007

Citation:

Peng Li, Jiang Jian, Luo Xiaofeng, Shen Xueliang, Wang Ying, Xing Yuan. Hot deformation behavior and processing maps of TA18 titanium alloy[J]. IRON STEEL VANADIUM TITANIUM, 2022, 43(6): 45-50. doi: 10.7513/j.issn.1004-7638.2022.06.007

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Hot deformation behavior and processing maps of TA18 titanium alloy

doi: 10.7513/j.issn.1004-7638.2022.06.007

Peng Li^{1, 2
,},
Jiang Jian^{1, 2},
Luo Xiaofeng^{1, 2},
Shen Xueliang^{1, 2},
Wang Ying^{1, 2},
Xing Yuan^{1, 2}

1.
State Key Laboratory of Vanadium and Titanium Resources Comprehensive Utilization, Panzhihua 617000, Sichuan, China
2.
Chengdu Advanced Metal Materials Industrial Technology Research Institute Co., Ltd., Chengdu 610303, Sichuan, China

Received Date: 2022-04-18
Publish Date: 2023-01-13

Abstract

Abstract

The hot deformation behavior of TA18 Titanium alloy was investigated using the Gleeble-3500 test machine at 750 − 1050 ºC with strain rates from 0.001 s⁻¹ to 10 s⁻¹, and the constitutive equation including Zener-Hollomon parameter (Z parameter) and processing map was established. The results revealed that the activation energy of TA18 alloy in the β single-phase region and α+β two-phase region was 310.71 kJ/mol and 578.78 kJ/mol, respectively. The fitting flow stress constitutive equations were obtained. In addition, the processing maps showed that the optimal hot processing parameter ranges were 825 − 900 ºC with a strain rate of 0.01～0.05 s⁻¹. This study can provide a theoretical basis for selecting the hot working parameters of TA18 titanium alloy.
- TA18 titanium alloy,
- hot compression deformation,
- constitutive equations,
- thermal processing map

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References(14)

References

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