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Microstructure and compressive properties of Mg–9Al composite reinforced with Ni-coated graphene nanosheets
Vacuum ( IF 4 ) Pub Date : 2020-11-01 , DOI: 10.1016/j.vacuum.2020.109629
Junliu Ye , Xianhua Chen , Jianbo Li , Chunquan Liu , Bo Wu , Fusheng Pan

Abstract This article presented a new method to improve the interfacial bonding between graphene nanosheets (GNSs) and magnesium (Mg) matrix by coating Ni nanoparticles on the surface of GNSs. Specifically, the Ni-coated GNSs (Ni-GNSs) refined the grains of Mg matrix compared to GNSs. The Ni nanoparticles reacted with Mg matrix and formed Mg2Ni at GNSs/Mg interface, which significantly improved interfacial bonding between GNSs and Mg matrix. The refined grains and improved interfacial bonding were conducive to increasing the compressive properties of Ni-GNSs/Mg–9Al composite.

中文翻译:

Ni包覆石墨烯纳米片增强Mg-9Al复合材料的显微结构和压缩性能

摘要 本文提出了一种通过在石墨烯纳米片 (GNSs) 和镁 (Mg) 基体表面涂覆 Ni 纳米颗粒来改善石墨烯纳米片 (GNSs) 和镁 (Mg) 基体之间界面结合的新方法。具体而言,与 GNSs 相比,Ni 涂层的 GNSs (Ni-GNSs) 细化了 Mg 基体的晶粒。Ni纳米颗粒与Mg基体反应并在GNSs/Mg界面形成Mg2Ni,显着改善了GNSs与Mg基体之间的界面结合。细化的晶粒和改善的界面结合有利于提高 Ni-GNSs/Mg-9Al 复合材料的压缩性能。
更新日期:2020-11-01
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