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The study focuses on modeling the isothermal deformation behavior of metals and alloys using the strain-compensated Arrhenius constitutive model within the VUHARD subroutine in ABAQUS, based on the Gleeble thermo-mechanical simulator.
Article followed and sited in video are as under:
Title: Study on hot deformation behavior of homogenized Mg-8.5Gd-4.5Y-0.8Zn-0.4Zr alloy using a combination of strain-compensated Arrhenius constitutive model and finite element simulation method
Doi# doi.org/10.1016/j.jma.2021.07...
Title: Modeling and application of constitutive model considering the compensation of strain during hot deformation
Doi# doi.org/10.1016/j.jallcom.201...
What this model can do?
1. Prediction of Flow Stress: The strain-compensated Arrhenius model allows for precise prediction of flow stress during hot deformation by considering the effects of strain, strain rate, and temperature simultaneously. This flow stress predictions allow manufacturers can adjust to adjust process parameter for the control of deformation processes such as forging, rolling, and extrusion.
2. Dynamic Recrystallization (DRX) Modeling: The model integrates DRX kinetics, providing insights into microstructural evolution during deformation. This is critical for understanding grain refinement and mechanical properties enhancement during processes
3. Numerical modelling: By incorporating the model into the ABAQUS VUHARD subroutine, it enables high-fidelity FEM simulations of complex deformation processes. This includes predicting temperature fields, stress distributions, and plastic strain, which are essential for optimizing industrial forming processes.
This strain-compensated Arrhenius model, implemented via the VUHARD subroutine in ABAQUS and validated through Gleeble simulations, represents a powerful tool for advancing the understanding and application of metal and alloy deformation processes.