06/28/2024, 09:01 PM UTC
扭曲碳纳米管纱线中的机械弱点解析Understanding the Mechanical Weakness in Twisted Carbon Nanotube Yarns
1、东京理工大学的研究人员发现，碳纳米管（CNT）束和纱线的机械性能差是由于扭曲过程中CNT的局部重排，导致出现位错线。2、这些位错是由CNT束中六边形图案的破坏形成的，显著降低了拉伸性能。3、该研究为提高CNT纱线的性能提供了见解，并可能有助于计算材料科学的进步。1. Researchers at Tokyo Institute of Technology identified that the poor mechanical performance of carbon nanotube (CNT) bundles and yarns is due to localized rearrangements of CNTs during twisting, leading to disclination lines. 2. These disclinations, formed by disrupted hexagonal patterns in CNT bundles, significantly reduce the tensile properties. 3. The study offers insights into improving CNT yarns' performance and could contribute to advancements in computational materials science.
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