Prediction of Final Rolling Temperature for TiAl Alloy Hot Rolling Based on Machine Learning

  • 0National Engineering Research Center for Equipment and Technology of Cold Strip Rolling, Yanshan University, Qinhuangdao 066004, China.

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Summary

This summary is machine-generated.

Accurately predicting the final rolling temperature of titanium-aluminum (TiAl) alloys is crucial for material properties. A novel genetic algorithm-based BP neural network (GABP) model achieves high-precision temperature prediction, essential for aerospace applications.

Area Of Science

  • Materials Science
  • Metallurgy
  • Artificial Intelligence

Background

  • Final rolling temperature critically influences grain recrystallization and mechanical properties of materials.
  • The aerospace industry demands high-quality TiAl alloys, necessitating precise control over their narrow and high-temperature rolling range.
  • Traditional finite element analysis is too slow for real-time online monitoring of rolling temperatures.

Purpose Of The Study

  • To develop an accurate and efficient model for predicting the final rolling temperature of TiAl alloys.
  • To address the challenges of real-time temperature control in TiAl alloy rolling.
  • To optimize the rolling plan and enable online control for improved TiAl alloy production.

Main Methods

  • A genetic algorithm-based BP neural network (GABP) prediction model was proposed.
  • MATLAB was utilized to analyze the influence of various factors on final rolling temperature to determine optimal neural network inputs.
  • The GABP model's performance was compared against fuzzy neural networks (FNN).

Main Results

  • The GABP model demonstrated high prediction accuracy, with errors primarily within 0-1 °C.
  • The proposed GABP model significantly outperformed fuzzy neural networks (FNN) in prediction accuracy.
  • The model effectively predicts the final rolling temperature of TiAl alloys.

Conclusions

  • The GABP model offers a viable solution for accurate and real-time final rolling temperature prediction in TiAl alloys.
  • This approach facilitates improved quality control and process optimization in TiAl alloy manufacturing.
  • The developed model is suitable for online monitoring and control applications in the aerospace industry.

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