ArticleMaterials (Basel, Switzerland)2023
Strength and Deformation Behavior of Graphene Aerogel of Different Morphologies.
Article in Materials (Basel, Switzerland), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed.
- Preparation of Polystyrene/SiOMaterials (Basel, Switzerland) · 2026Article
- Morphology of Graphene Aerogel as the Key Factor: Mechanical Properties Under Tension and Compression.Gels (Basel, Switzerland) · 2024Article
- Current insights and future prospects of graphene aerogel-enhanced supercapacitors: A systematic review.Heliyon · 2024Article
- Experimental Testing, Manufacturing and Numerical Modeling of Composite and Sandwich Structures.Materials (Basel, Switzerland) · 2024Article
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2 authors.
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Abstract
Graphene aerogels are of high interest nowadays since they have ultralow density, rich porosity, high deformability, and good adsorption. In the present work, three different morphologies of graphene aerogels with a honeycomb-like structure are considered. The strength and deformation behavior of these graphene honeycomb structures are studied by molecular dynamics simulation. The effect of structural morphology on the stability of graphene aerogel is discussed. It is shown that structural changes significantly depend on the structural morphology and the loading direction. The deformation of the re-entrant honeycomb is similar to the deformation of a conventional honeycomb due to the opening of the honeycomb cells. At the first deformation stage, no stress increase is observed due to the structural transformation. Further, stress concentration on the junctions of the honeycomb structure and over the walls occurs. The addition of carbon nanotubes and graphene flakes into the cells of graphene aerogel does not result in a strength increase. The mechanisms of weakening are analyzed in detail. The obtained results further contribute to the understanding of the microscopic deformation mechanisms of graphene aerogels and their design for various applications.
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