Numerical Analysis of Friction Effects on Temperature and Phases within Forged Ti-6Al-4V Alloy Aeroengine Drum
Abstract
:1. Introduction
2. FE Modeling
3. Results and Discussion
3.1. Evaluation Indexes
3.2. Friction Effects on Temperature within Forged Drum
3.3. Friction Effects on Phases within Forged Drum
3.3.1. α. Phase Evolution and Distribution
3.3.2. β. Phase Evolution and Distribution
3.3.3. α + β. Phase Evolution and Distribution
4. Experimental Verification
5. Conclusions
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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Parameters | Workpiece | Dies |
---|---|---|
Material | Ti-6Al-4V | AISI H13 |
Heat capacity (N/(mm2 °C)) | Equation (1) | [23] |
Thermal conductivity (N/(s °C)) | Equation (2) | [23] |
Emissivity | 0.7 [25] | 0.7 [26] |
Convection coefficient (N/(s mm °C)) | 0.02 [27] | 0.02 [28] |
Heat transfer coefficient (N/(s mm °C)) | 5 [22] | |
Initial workpiece temperature (°C) | 930 | |
Initial die temperature (°C) | 250 | |
Environment temperature (°C) | 20 | |
Forging stroke (mm) | 210 | |
Forging velocity (mm/s) | 300 | |
Friction factor | 0.1/0.2/0.3/0.4/0.5/0.6 |
Parameters | Mean Values (mm) | |||
---|---|---|---|---|
h | d | H | D | |
Experimental results | 415.5 | 284.6 | 453.7 | 905.6 |
Simulated results | 414.3 | 283.2 | 455.1 | 907.9 |
Errors | 0.29% | 0.53% | 0.22% | 0.24% |
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Luo, S.; Jiang, Y.; Yan, K.; Zou, G.; Zhang, P.; Yu, F. Numerical Analysis of Friction Effects on Temperature and Phases within Forged Ti-6Al-4V Alloy Aeroengine Drum. Metals 2021, 11, 1649. https://doi.org/10.3390/met11101649
Luo S, Jiang Y, Yan K, Zou G, Zhang P, Yu F. Numerical Analysis of Friction Effects on Temperature and Phases within Forged Ti-6Al-4V Alloy Aeroengine Drum. Metals. 2021; 11(10):1649. https://doi.org/10.3390/met11101649
Chicago/Turabian StyleLuo, Shiyuan, Yongxin Jiang, Kai Yan, Guangming Zou, Po Zhang, and Fengping Yu. 2021. "Numerical Analysis of Friction Effects on Temperature and Phases within Forged Ti-6Al-4V Alloy Aeroengine Drum" Metals 11, no. 10: 1649. https://doi.org/10.3390/met11101649