A new perspective on hierarchical structure to analyse strength limiting factors of CNT yarns

Chris Page; Varun Thiagarajan; Xin Wang; Yuntian Zhu; Fuh-Gwo Yuan

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A new perspective on hierarchical structure to analyse strength limiting factors of CNT yarns

机译：碳纳米管强度极限因素分析的层次结构新视角

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The astonishing properties of carbon nanotubes (CNTs) at the nanoscale have not been effectively translated into the CNT yarn at the macroscale. Thus, quantitative assessment to identify the strength-limiting factors for CNT yarns is needed. By observing that CNT yarns resemble conventional textile yarns, textile knowledgebase based on continuum mechanics is used to provide a new perspective on the hierarchical structure of CNT yarns. Bundles are identified as the most basic unit; the CNT is a sub-basic unit. Four length scales (CNT, bundle, pack, yarn) are introduced to identify and evaluate strength limiting factors that occur either within each distinct scale or the interaction between them. Four top-level parameters are defined to quantify the strength-limiting factors, and simulation results are congruent with currently available experimental data. This new perspective is then used to explore solutions and illuminate the future potential of the CNT yarn.

机译：纳米级的碳纳米管（CNT）的惊人特性尚未有效地转化为大尺度的CNT纱线。因此，需要进行定量评估以确定CNT纱线的强度限制因素。通过观察CNT纱线类似于常规纺织纱线，基于连续力学的纺织知识库被用来为CNT纱线的层次结构提供新的视角。捆绑包被认为是最基本的单位; CNT是一个基本单元。引入了四个长度标尺（CNT，束，卷装，纱线）以识别和评估在每个不同的标尺内或它们之间的相互作用中出现的强度限制因素。定义了四个顶级参数以量化强度限制因素，并且模拟结果与当前可用的实验数据一致。然后，将使用这种新视角来探索解决方案并阐明CNT纱线的未来潜力。

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《International Journal of Sustainable Materials and Structural Systems》 |2016年第4期|共27页
作者
Chris Page; Varun Thiagarajan; Xin Wang; Yuntian Zhu; Fuh-Gwo Yuan;
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正文语种 eng
中图分类工程材料学;
关键词
Hierarchical structure; CNT yarns; Strength-limiting factors; Carbon nanotubes; CNT fibres; CNT bundles;

机译：分层结构;碳纳米管纱;强度限制因素;碳纳米管;碳纳米管纤维;碳纳米管束;

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A new perspective on hierarchical structure to analyse strength limiting factors of CNT yarns

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