Abstract
Abstract Three-dimensional (3D) network topological structure composite (3D-NTSC) is a new type of composite in which both the matrix phase and the reinforced phase have 3D continuous network structure and interweave with each other. Different from fiber reinforcement and particle reinforcement, the reinforcing phase in the composite material runs through the whole matrix phase in a continuous form without destroying the topological continuity of the matrix phase, so that each matrix phase in the composite material can not only maintain its own excellent performance, but also can cooperate with each other and complement each other, so that the composite material can play a greater performance advantage. In recent years, 3D-NTSC has attracted the attention of researchers and has been widely used in practical production. At present, there are no comprehensive articles summarizing the research progress of this kind of materials. In this review, we discussed the recent progress of the preparation methods, including natural flow method, vacuum infiltration process, pressure filling method, in situ filling method, and co-building method. Furthermore, research progress on mechanical properties and some regular results, shortcomings, challenges, and prospects of 3D-NTSC were also put forward, which would be helpful to people working in the related fields.
Highlights
With the progress of society and the development of science and technology, traditional homogeneous materials have been difficult to meet actual needs [1,2]
Three-dimensional (3D) network topological structure composite (3D-NTSC) with low density, high specific modulus, high specific strength has been widely used in fields such as the preparation of structural loadbearing components [3], heat conduction [1], oil-water separation [4], electrical conduction [5], and energy storage due to its special reinforcement method and structures. 3D-NTSC is a composite material composed of two or more phases, and each phase is three-dimensionally connected through a microstructure, and the characteristics of each component in the network structure remain basically unchanged
To solve the problems of gel formed by metal–ligand coordination, usually with very low branching functionality, Zhukhovitskiy et al reported a new gel from polymer ligand and metal–organic cage (MOC) as a combination
Summary
With the progress of society and the development of science and technology, traditional homogeneous materials have been difficult to meet actual needs [1,2]. 3D-NTSC combines the advantages of three-dimensional braided materials and ordinary composite materials, especially when subjected to external forces, the network structures are mutually restrained and the interaction force is strengthened, and the two phases can be combined well, which is not achieved by many traditional materials. It is this special three-dimensional network topology that makes composite materials have isotropic properties and exhibit excellent physical. Some shortcomings, challenges, and prospects of 3D-NTSC are put forward, which will be helpful to people working in the related fields
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