The microstructure and interfacial bonding of the ultrafine-grained nanodiamond reinforced 2024 aluminum matrix composite

IF 4.3 3区材料科学 Q2 MATERIALS SCIENCE, COATINGS & FILMS

Diamond and Related Materials Pub Date : 2025-06-12 DOI:10.1016/j.diamond.2025.112549

Kun Xie , Kai Feng , Fei Lu , Guoshang Zhang , Pengfei Yue , Bin Cai , Guopeng Zhang , Zhongxia Liu

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Abstract

On the premise of fabricating uniformly dispersed ND-reinforced 2024Al (ND/2024Al) composites, the detailed microstructure and interfacial bonding of the ultrafine-grained ND/2024Al composite were investigated with the help of SEM, TEM, and the corresponding EDS mapping. Different affecting factors, such as ND's physical characteristics on physical bonding, non-metallic elements (C, O), metal solute elements (Cu, Mg), and their interaction effects on the interface of the ND/2024Al composite were carefully discussed, which are found to be beneficial to the interfacial bonding of ND/2024Al. Meanwhile, the influence of the O element on the interface between diamond and aluminum was evaluated by the first principles calculation, which corresponded well with the experimental results. Our work would promote the development of ND-reinforced aluminum matrix composites (AMCs) and their further application.

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超细晶纳米金刚石增强2024铝基复合材料的微观组织和界面结合

在制备均匀分散的ND增强2024Al （ND/2024Al）复合材料的前提下，利用SEM、TEM和相应的能谱图研究了超细晶ND/2024Al复合材料的微观组织和界面结合。详细讨论了ND的物理特性、非金属元素（C、O）、金属溶质元素（Cu、Mg）等对ND/2024Al复合材料界面的影响，发现ND/2024Al的界面结合有利于ND/2024Al的界面结合。同时，通过第一性原理计算评价了O元素对金刚石与铝界面的影响，结果与实验结果吻合较好。本文的工作将促进nd增强铝基复合材料的发展和进一步应用。

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来源期刊

Diamond and Related Materials 工程技术-材料科学：综合

CiteScore

6.00

自引率

14.60%

发文量

702

审稿时长

2.1 months

期刊介绍： DRM is a leading international journal that publishes new fundamental and applied research on all forms of diamond, the integration of diamond with other advanced materials and development of technologies exploiting diamond. The synthesis, characterization and processing of single crystal diamond, polycrystalline films, nanodiamond powders and heterostructures with other advanced materials are encouraged topics for technical and review articles. In addition to diamond, the journal publishes manuscripts on the synthesis, characterization and application of other related materials including diamond-like carbons, carbon nanotubes, graphene, and boron and carbon nitrides. Articles are sought on the chemical functionalization of diamond and related materials as well as their use in electrochemistry, energy storage and conversion, chemical and biological sensing, imaging, thermal management, photonic and quantum applications, electron emission and electronic devices. The International Conference on Diamond and Carbon Materials has evolved into the largest and most well attended forum in the field of diamond, providing a forum to showcase the latest results in the science and technology of diamond and other carbon materials such as carbon nanotubes, graphene, and diamond-like carbon. Run annually in association with Diamond and Related Materials the conference provides junior and established researchers the opportunity to exchange the latest results ranging from fundamental physical and chemical concepts to applied research focusing on the next generation carbon-based devices.