Method for Predicting Coupling Response of Isothermal Forming and Dynamic Recrystallization Evolution of Titanium Alloys
A titanium alloy and recrystallization technology, applied in design optimization/simulation, special data processing applications, instruments, etc., can solve problems that do not consider the impact of subsequent deformation on tissue evolution
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[0148] This embodiment is specifically a method for predicting the coupled response of isothermal compression and dynamic recrystallization evolution of TA15 titanium alloy. The implementation of this embodiment is based on the Abaqus software platform, and user material subroutines are developed. Steps 3 to 13 are all implemented by the user material subroutine. The steps 3 to 12 are the specific calculation content of a time increment step. After the calculation of all time increment steps is completed, the isothermal TA15 titanium alloy is realized. Coupling response of compression and dynamic recrystallization evolution. The relevant fitting parameters of the TA15 titanium alloy described in this example are shown in Table 1.
[0149] Table 1 Fitting parameters
[0150] c 1 (α)
c 1 (β)
c 20 (α)
c 20 (β)
c 3 (α)
c 3 (β)
c 4
c 5
c 6
8.7×10 6
9.1×10 6
2100 1900 5.1×10 3
2.1×10 3
0.5 4.2×10 3
0.5
[0151] ...
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