Effect of dwell time between passes on recrystallization behavior of 4043 aluminum alloy

IF 23.2 2区材料科学 Q1 MATERIALS SCIENCE, COMPOSITES Advanced Composites and Hybrid Materials Pub Date : 2024-10-11 DOI:10.1007/s42114-024-00968-6

Wenhao Yang, Liu Zhang, Shanju Zheng, Xiaohong Yuan, Saad Melhi, Mohamed Kallel, Zeinhom M. El-Bahy, Mengnie Li

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Abstract

In this paper, the recrystallization behavior of 4043 aluminum alloy under the deformation conditions of dwell times of 1 s, 10 s, 30 s, and 90 s between passes was studied. The results show that when the inter-pass dwell time is increased to 10 s, the instability region in the material hot processing map disappears. Additionally, particle-stimulated nucleation (PSN) predominantly occurs at low deformation temperatures and in specimens with short inter-pass dwell times under high deformation temperatures. Importantly, at a deformation condition of 450 °C and a strain rate of 0.01 s⁻¹, when the inter-pass dwell time is increased to 90 s, the alloy texture type changes from a strong Goss texture to a strong rotated cube texture, with the primary recrystallization mechanism shifting from PSN to continuous dynamic recrystallization (CDRX). A longer dwell time of 90 s tends to achieve the maximum static softening rate and a higher recrystallization fraction (8.54%). These findings reveal the impact of inter-pass dwell time on the hot deformation behavior of 4043 aluminum alloy, providing theoretical guidance for industrial production.

Graphical abstract

The effect of dwell time on recrystallization behavior and the recrystallization mechanism of PSN were studied.

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两次加工之间的停留时间对 4043 铝合金再结晶行为的影响

本文研究了 4043 铝合金在层间停留时间分别为 1 秒、10 秒、30 秒和 90 秒的变形条件下的再结晶行为。结果表明，当两次加工之间的停留时间增加到 10 秒时，材料热加工图中的不稳定区域消失。此外，颗粒刺激成核（PSN）主要发生在低变形温度下，以及高变形温度下通过间停留时间较短的试样中。重要的是，在 450 °C 和应变速率为 0.01 s-1 的变形条件下，当各道工序之间的停留时间增加到 90 秒时，合金纹理类型从强 Goss 纹理转变为强旋转立方体纹理，主要的再结晶机制从 PSN 转变为连续动态再结晶（CDRX）。90 秒的较长停留时间往往能达到最大静态软化率和较高的再结晶分数（8.54%）。这些研究结果揭示了停留时间对 4043 铝合金热变形行为的影响，为工业生产提供了理论指导。

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来源期刊

Advanced Composites and Hybrid Materials Multiple-

CiteScore

26.00

自引率

21.40%

发文量

185

期刊介绍： Advanced Composites and Hybrid Materials is a leading international journal that promotes interdisciplinary collaboration among materials scientists, engineers, chemists, biologists, and physicists working on composites, including nanocomposites. Our aim is to facilitate rapid scientific communication in this field. The journal publishes high-quality research on various aspects of composite materials, including materials design, surface and interface science/engineering, manufacturing, structure control, property design, device fabrication, and other applications. We also welcome simulation and modeling studies that are relevant to composites. Additionally, papers focusing on the relationship between fillers and the matrix are of particular interest. Our scope includes polymer, metal, and ceramic matrices, with a special emphasis on reviews and meta-analyses related to materials selection. We cover a wide range of topics, including transport properties, strategies for controlling interfaces and composition distribution, bottom-up assembly of nanocomposites, highly porous and high-density composites, electronic structure design, materials synergisms, and thermoelectric materials. Advanced Composites and Hybrid Materials follows a rigorous single-blind peer-review process to ensure the quality and integrity of the published work.