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Updated: Jul 23, 2025

Author Spotlight: Enhancing Fiber Composite Laminate Quality with the Wet Hand Lay-Up/Vacuum Bag Process
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可扩展的高拉伸模块复合板材使用连续碳纳米管线用于航空航天应用

Cecil E Evers1, Britannia Vondrasek2, Claire N Jolowsky1

  • 1FAMU-FSU College of Engineering, High-Performance Materials Institute, Florida State University, 2005 Levy Avenue, Tallahassee, Florida 32311, United States.

ACS applied nano materials
|July 20, 2023
PubMed
概括

研究人员使用连续碳纳米管 (CNT) 线开发了高强度复合材料层. 这些先进的材料提供优越的特异模量,超过目前用于航空航天应用的碳纤维复合材料.

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Fiber-reinforced concrete significantly enhances the structural and nonstructural properties of traditional concrete by incorporating fibers like steel, glass, and polymers. These fibers, varying from natural ones such as sisal and cellulose to manufactured ones like polypropylene and Kevlar, are mixed into hydraulic cement with aggregates. Steel fibers, often preferred for their robustness, contribute to improved ductility, toughness, and post-cracking performance. The concrete is classified...
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Considering the tensile strength of concrete involves recognizing that the theoretical strength of cement paste can be up to a thousand times higher than what is observed in practical applications. This significant discrepancy is largely attributed to the presence of microscopic cracks within the concrete. These cracks tend to amplify stress at their tips when a load is applied, a phenomenon explained by Griffith's theory of brittle fracture.
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