具有软/硬耦合微尺度区域的铝锌镁铜合金的沉淀行为及其对性能的影响

IF 4.8 2区材料科学 Q1 MATERIALS SCIENCE, CHARACTERIZATION & TESTING

Materials Characterization Pub Date : 2024-10-20 DOI:10.1016/j.matchar.2024.114476

Jinming Zhi , Mingxing Guo , Wen Meng , Wei Zhou , Linzhong Zhuang , Huafen Lou

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引用次数: 0

摘要

研究人员开发了一种新型热机械加工工艺路线，用于制备含有软硬微尺度耦合异质结构的铝锌镁铜合金。异质结构对合金随后的沉淀行为产生了影响。重要的是，与具有均匀结构的合金相比，具有适当的软/硬微尺度区域耦合分布的 3 号合金的拉伸强度、伸长率和晶界耐腐蚀性能都有很大提高。基于详细的微观结构表征，本文建立了具有异质结构的合金的相应强化和耐腐蚀机制。

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Precipitation behavior of Al-Zn-Mg-Cu alloys with the coupled soft/hard micro-scale areas and its effect on properties

A novel thermomechanical processing route was developed to prepare Al-Zn-Mg-Cu alloys containing heterostructures with coupled soft/hard micro-scale areas. The heterostructure gives an effect on the subsequent precipitation behavior of alloys. Importantly, the tensile strengths, elongation and corrosion resistance of grain boundaries of the #3 alloy with an appropriate coupled distribution of soft/hard micro-scale areas are all greatly improved compared with the alloy with the homogeneous structure. Based on the detailed microstructure characterization, the corresponding strengthening and corrosion resistance mechanisms of alloys with heterostructure have been established in this paper.

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来源期刊

Materials Characterization 工程技术-材料科学：表征与测试

CiteScore

7.60

自引率

8.50%

发文量

746

审稿时长

36 days

期刊介绍： Materials Characterization features original articles and state-of-the-art reviews on theoretical and practical aspects of the structure and behaviour of materials. The Journal focuses on all characterization techniques, including all forms of microscopy (light, electron, acoustic, etc.,) and analysis (especially microanalysis and surface analytical techniques). Developments in both this wide range of techniques and their application to the quantification of the microstructure of materials are essential facets of the Journal. The Journal provides the Materials Scientist/Engineer with up-to-date information on many types of materials with an underlying theme of explaining the behavior of materials using novel approaches. Materials covered by the journal include: Metals & Alloys Ceramics Nanomaterials Biomedical materials Optical materials Composites Natural Materials.