Sysweld crack9/12/2023 ![]() The results of simulation and experiment show that the trend of simulation results is similar to the experiment results. Finally, based on molecular dynamics, the simulation of grinding residual stress and the grinding experiment is carried out for titanium alloy thin-walled parts. Secondly, combined with the mathematical expression model of residual stress, the surface residual stress is characterized, and the heat correction coefficient is proposed to modify the mathematical model. To validate the mathematical model’s effectiveness from the grinding parameters to the surface residual stress after grinding, firstly, according to the molecular dynamics theory and ABG process, a physical model of titanium alloy ABG molecular system is proposed, and the embedded atom method is chosen as the interatomic potential of titanium alloy. ![]() Abrasive belt grinding (ABG) is a kind of elastic grinding, which plays a significant role in improving titanium alloys’ surface integrity. As an important material, titanium alloy is widely used in the manufacture of aircraft engine parts, and its processed surface quality is critical to the performance of aircraft engines. ![]()
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