Study on the Mechanical Model Coupling with Multi-scale Dynamic Tribological Model of Aluminum Alloy

doi:10.3901/JME.2025.13.222

Abstract

Abstract: With the quality defects such as rupture, wrinkle, springback for the stamping forming process of automotive key parts made of aluminum alloy, the mechanical model coupling with multi-scale dynamic tribological model of aluminum alloy is studied. Based on Yoshida-Uemori mixed-following hardening model, Vegter2017 yield criterion and FLC, mechanical model for aluminum alloy 3003 is constructed Comparing the forming limit simulation results of reduction rate with Nakazim test data for the biaxial tensile test specimen, the effectiveness of the Vegter2017 yield criterion is verified. The multi-scale dynamic friction model is constructed with data of 3D surface morphology and friction lubrication test data. The mechanical model coupling with multi-scale dynamic tribological model is applied in the stamping forming simulation for the liquid-cooling plate of new energy vehicles. The results shows that the mean relative errors of springback distribution and thickness distribution between the simulation values and experimental values are 3.51% and 2.86%, respectively. And the interactive coupling model based on mechanical model and multi-scale dynamic friction model is more accurate and feasible in numerical simulation of aluminum alloy stamping forming.

Key words: aluminum alloy, mechanical model, multi-scale dynamic tribological model, interactive coupling mode

CLC Number:

TG386

SUN Jianfang, ZENG Zhihua, SU Fenghua, YUAN Xi, XIE Meiting. Study on the Mechanical Model Coupling with Multi-scale Dynamic Tribological Model of Aluminum Alloy[J]. Journal of Mechanical Engineering, 2025, 61(13): 222-230.

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