Prediction on microstructure and mechanical property of as-spun TA15 alloy based on plane-strain compression model

According to the deformation characteristic of power spinning, the feasibility of prediction of the microstructure and mechanical property of titanium alloy during spinning process was studied based on plane-strain compression model. The similarity of microstructure evolution of TA15 alloy between backward spinning and plane compression was analyzed. Besides, the prediction of the microstructure and mechanical property of TA15 alloy during hot power spinning by BP neural network was conducted based on the evolution model of microstructure and mechanical property during plane compression. The result shows that the evolution of microstructure and mechanical property during power spinning is similar to plane compression. It is feasible to predict the microstructure and mechanical property of titanium alloy during hot power spinning based on plane-strain compression model. However, multi-pass power spinning could provide more uniform deformation than plane compression, which may be the cause for error growth with the increasing reduction during power spinning.