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Carbon nanotube reinforced metal matrix composites - a review

机译：碳纳米管增强金属基复合材料-综述

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摘要

This review summarises the research work carried out in the field of carbon nanotube (CNT) metal matrix composites (MMCs). Much research has been undertaken in utilising CNTs as reinforcement for composite material. However, CNT-reinforced MMCs have received the least attention. These composites are being projected for use in structural applications for their high specific strength as well as functional materials for their exciting thermal and electrical characteristics. The present review focuses on the critical issues of CNT-reinforced MMCs that include processing techniques, nanotube dispersion, interface, strengthening mechanisms and mechanical properties. Processing techniques used for synthesis of the composites have been critically reviewed with an objective to achieve homogeneous distribution of carbon nanotubes in the matrix. The mechanical property improvements achieved by addition of CNTs in various metal matrix systems are summarised. The factors determining strengthening achieved by CNT reinforcement are elucidated as are the structural and chemical stability of CNTs in different metal matrixes and the importance of the CNT/metal interface has been reviewed. The importance of CNT dispersion and its quantification is highlighted. Carbon nanotube reinforced MMCs as functional materials are summarised. Future work that needs attention is addressed.
机译：这篇综述总结了在碳纳米管（CNT）金属基复合材料（MMCs）领域中进行的研究工作。在利用CNT作为复合材料的增强材料方面已经进行了许多研究。但是，CNT增强的MMC受到的关注最少。这些复合材料因其高比强度而被预测用于结构应用，并因其令人兴奋的热和电特性而被用于功能材料。本综述着重于CNT增强MMC的关键问题，包括加工技术，纳米管分散，界面，增强机理和机械性能。为了实现碳纳米管在基体中的均匀分布，已经对用于合成复合材料的加工技术进行了严格审查。总结了通过在各种金属基质体系中添加CNT所实现的机械性能改进。阐明了决定通过CNT增强实现的增强的因素，以及在不同金属基质中CNT的结构和化学稳定性，并综述了CNT /金属界面的重要性。强调了CNT分散及其定量的重要性。总结了碳纳米管增强的MMC作为功能材料。解决了将来需要注意的工作。

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