部分 Er 取代 Sc 对短时间加工的 Al-4.7Mg-0.6Mn-0.3Zr-0.3Sc 薄片的微观结构、力学性能和耐腐蚀性的影响

IF 2.6 3区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Metals Pub Date : 2024-09-05 DOI:10.3390/met14091013

Guangxi Lu, Yabo Liang, Cong Xu, Wenfei Rao, Yaodong Xue, Longfei Li, Li Zhang, Shaokang Guan

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引用次数: 0

摘要

标准 AA5083（ZSE000）、用 0.3 wt.% Zr 和 0.3 wt.% Sc 改性的 AA5083（ZSE330）以及用 0.3 wt.% Zr、0.2 wt.% Sc 和 0.1 wt.通过短流程（包括模拟双带式连铸、随后的直接轧制、中间退火、冷轧和去应力退火）制造了%Er（ZSE321）板材，以系统研究部分用 Er 替代 Sc 对短流程 Al-4.7Mg-0.6Mn-0.3Zr-0.3Sc 板材的微观结构、机械性能和耐腐蚀性能的影响。结果表明，在三种实验板材中，ZSE321 的拉伸性能最佳（UTS：541 兆帕；0.2%PS：469 兆帕；EF：7.7%）。这归因于晶粒的显著细化、再结晶的抑制以及 Al3（Sc、Zr、Er）纳米颗粒析出的促进。此外，本研究还探讨了实验板材的腐蚀性能，短程加工的 ZSE321 板材具有最佳的耐腐蚀性。

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Influence of Partial Er Substitution for Sc on the Microstructure, Mechanical Properties and Corrosion Resistance of Short-Processed Al-4.7Mg-0.6Mn-0.3Zr-0.3Sc Sheets

Standard AA5083 (ZSE000), AA5083 modified with 0.3 wt.% Zr and 0.3wt.% Sc (ZSE330) and AA5083 modified with 0.3 wt.% Zr, 0.2wt.% Sc and 0.1wt.%Er(ZSE321) sheets were fabricated through a short process (including a simulated twin-belt continuous casting, subsequent direct rolling, intermediate annealing, cold rolling and stress-relief annealing) to systematically investigate the influence of partially substituting Er for Sc on the microstructure, mechanical properties and corrosion resistance of short-processed Al-4.7Mg-0.6Mn-0.3Zr-0.3Sc sheets. The results show that ZSE321 presents the optimal tensile properties (UTS: 541 MPa; 0.2%PS: 469 MPa and EF:7.7%) among the three experimental sheets. This is attributed to significant grain refinement, the inhibition of the recrystallization and promotion on the precipitation of Al3(Sc, Zr, Er) nanoparticles. Furthermore, the corrosion properties of the experimental sheets were also explored in this study, and the short-processed ZSE321 sheet presents the optimum corrosion resistance.

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来源期刊

Metals MATERIALS SCIENCE, MULTIDISCIPLINARY-METALLURGY & METALLURGICAL ENGINEERING

CiteScore

4.90

自引率

13.80%

发文量

1832

审稿时长

1.5 months

期刊介绍： Metals (ISSN 2075-4701) is an open access journal of related scientific research and technology development. It publishes reviews, regular research papers (articles) and short communications. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible. Therefore, there is no restriction on the length of the papers. The full experimental details must be provided so that the results can be reproduced. Metals provides a forum for publishing papers which advance the in-depth understanding of the relationship between the structure, the properties or the functions of all kinds of metals.