Constitutive Equation for 3104 Alloy at High Temperatures in Consideration of Strain
Source abstract
Abstract
Abstract The flow behavior of 3104 aluminum alloy was investigated at temperatures ranging from 250°C to 500°C, and strain rates from 0.01 to 10 s −1 by isothermal compression tests. The true stress–strain curves were obtained from the measured load–stroke data and then modified by friction and temperature correction. The effects of temperature and strain rate on hot deformation behavior were represented by Zener–Hollomon parameter including Arrhenius term. Additionally, the influence of strain was incorporated considering the effect of strain on material constants. The derived constitution equation was applied to the finite element analysis of hot compression. The results show that the simulated force is consistent with the measured one. Consequently, the developed constitution equation is valid and feasible for numerical simulation in hot deformation process of 3104 alloy.
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Research context
OpenAlex topics: Metallurgy and Material Forming · Microstructure and mechanical properties · High-Velocity Impact and Material Behavior
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Affiliations
School of Materials and Engineering, University of Science and Technology Beijing, Beijing 100083, China
School of Mechanical Engineering, Qinghai University, Xining 810016, China
References (18)
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