Abstract
The influence laws of two different rolling processes on the microstructures and properties of 6016 aluminum alloys in rolling, T4, T4P states, and aging are studied, respectively. The microstructures under different rolling processes are also analyzed by X-ray diffraction (XRD), scanning electron microscope (SEM), transmission electron microscope (TEM) and electron backscatter diffraction (EBSD). The results indicate that during the cold rolling process, compared with B alloy, A alloy generated small initial grains. The small initial grains will increase the deformation resistance, and the strength and hardness of A alloy are better after rolling, but with poor plasticity. After solution treatment, A alloy generated small grains with recrystallization, the hardness, plasticity, and formability of A alloy in T4 state are better than B alloy after solution treatment and natural aging. A alloy is more sensitive to aging response, and artificial aging occurs during the pre-aging process. The proportion of large Angle grain boundaries in A alloy is large but with small dislocation density, uneven distribution, and small texture content. This makes A alloy have better strength and hardness in T4P and poor plasticity and formability than B alloy after solution treatment, pre-aging and natural aging. However, the strength and hardness of A alloy are also smaller than that of alloy B after artificial aging.
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This work was supported by Special funds for local scientific and technological development under the guidance of the central government (GuiKeZY21195030) and Guangxi Science and Technology Base and Talent Project (GuiKeAD21238010).
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YR and AL designed and performed the experiments, analyzed the data, and prepared the paper. TZ and LW participated to collect the materials related to the experiment. YH and BL designed the experiments and revised the manuscript.
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Rao, Y., Li, A., Zuo, T. et al. Influence of different rolling processes on the microstructures and mechanical properties of 6016 aluminum alloy. Appl. Phys. A 129, 690 (2023). https://doi.org/10.1007/s00339-023-06969-4
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DOI: https://doi.org/10.1007/s00339-023-06969-4