添加过渡金属的超细晶Al - Mg2Si合金及其力学性能的改善

IF 0.6 4区材料科学 Q4 METALLURGY & METALLURGICAL ENGINEERING

Metal Science and Heat Treatment Pub Date : 2025-02-11 DOI:10.1007/s11041-025-01095-9

O. V. Rybalchenko, N. Yu. Tabachkova, N. S. Martynenko, G. V. Rybalchenko, E. A. Lukyanova, D. R. Temralieva, I. E. Tarytina, A. I. Ogarkov, A. G. Raab, S. V. Dobatkin

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引用次数: 0

摘要

研究了室温旋锻- 150℃等径角压复合时效处理对Sc和Sc + Zr和Sc + Hf联合添加Al - Mg2Si合金组织、相变和强度特性的影响。所得结果可用于推荐合金在初始状态和复合处理后的时效模式，以确保其强度和塑性的提高。Al - Mg2Si - (Sc + Hf)复合材料的力学性能最好。

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Ultrafine-Grained Al – Mg2Si Alloys with Transition Metal Additions and Improved Mechanical Properties

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Ultrafine-Grained Al – Mg2Si Alloys with Transition Metal Additions and Improved Mechanical Properties

The effect of combined processing by rotary swaging at room temperature followed by equal-channel angular pressing at 150°C and subsequent aging on the structure, phase transformations and strength characteristics of Al – Mg₂Si alloys with Sc and with joint additions of (Sc + Zr) and (Sc + Hf) is studied. The results obtained are used to recommend the aging modes for alloys in the initial state and after the combined processing to ensure an increase in their strength and ductility. The best set of mechanical characteristics is obtained for the Al – Mg₂Si – (Sc + Hf) composition.

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来源期刊

Metal Science and Heat Treatment 工程技术-冶金工程

CiteScore

1.20

自引率

16.70%

发文量

102

审稿时长

4-8 weeks

期刊介绍： Metal Science and Heat Treatment presents new fundamental and practical research in physical metallurgy, heat treatment equipment, and surface engineering. Topics covered include: New structural, high temperature, tool and precision steels; Cold-resistant, corrosion-resistant and radiation-resistant steels; Steels with rapid decline of induced properties; Alloys with shape memory effect; Bulk-amorphyzable metal alloys; Microcrystalline alloys; Nano materials and foam materials for medical use.