Fractal-property correlation of carbon nano-tubes in 3D truss-like network under stress/strain

IF 3.9 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Science and Engineering B-advanced Functional Solid-state Materials Pub Date : 2024-11-13 DOI:10.1016/j.mseb.2024.117771

Arpan Das

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Abstract

The randomly interconnected 3D carbon nanotube (CNT) sponge possesses the elegant hierarchical truss-like network. Particularly, the overall pattern and architecture of these tubes under certain stress/strain are extremely important for such cellular solids. The complex arrangement/pattern between neighboring nanotubes primarily influences its compressive stability. These inter–tubes bonding strongly influence its deformation characteristics and structural collapse under compression. In present research, the influence of such compressive stress/strain on the rearrangement/alignment of these nanotubes has been investigated through fractal measurement of published micrographs. The analysis of image-texture has also been performed to recognize the configurational-stability and stored-energy of such complex tube-networks as a function of strain. The fractality of CNT tangles are correlated with their orientation, gray-scale fitting parameters of micrographs and mechanical responses of material as a function of compressive deformation.

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三维桁架状网络中碳纳米管在应力/应变作用下的分形特性相关性

随机互连的三维碳纳米管（CNT）海绵具有优雅的分层桁架状网络。特别是，在一定的应力/应变条件下，这些管子的整体模式和结构对这种细胞固体极为重要。相邻纳米管之间的复杂排列/模式主要影响其抗压稳定性。这些管子间的结合力会强烈影响其变形特性和压缩下的结构坍塌。在本研究中，通过对已发表的显微照片进行分形测量，研究了这种压缩应力/应变对这些纳米管的重新排列/排列的影响。此外，还对图像纹理进行了分析，以识别这种复杂管网的构型稳定性和存储能量与应变的函数关系。碳纳米管缠结的分形与其取向、显微照片的灰度拟合参数以及作为压缩变形函数的材料力学响应相关联。

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来源期刊

Materials Science and Engineering B-advanced Functional Solid-state Materials 工程技术-材料科学：综合

CiteScore

5.60

自引率

2.80%

发文量

481

审稿时长

3.5 months

期刊介绍： The journal provides an international medium for the publication of theoretical and experimental studies and reviews related to the electronic, electrochemical, ionic, magnetic, optical, and biosensing properties of solid state materials in bulk, thin film and particulate forms. Papers dealing with synthesis, processing, characterization, structure, physical properties and computational aspects of nano-crystalline, crystalline, amorphous and glassy forms of ceramics, semiconductors, layered insertion compounds, low-dimensional compounds and systems, fast-ion conductors, polymers and dielectrics are viewed as suitable for publication. Articles focused on nano-structured aspects of these advanced solid-state materials will also be considered suitable.