期刊
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
卷 114, 期 -, 页码 170-187出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesa.2018.08.010
关键词
Nanocomposite; CNT; Reinforcement; Metal; Steel; Oilfield; Challenges
Carbon nanotubes (CNT) are rolled graphene sheets and are an exceptional invention in the field of nano technology. They have outstanding material characteristics such as high surface-to-volume ratio, high tensile strength, high thermal conductivity, and low density. Carbon nanotubes are many times stronger and yet lighter than steel and other metals, and thus a good candidate for reinforcing them. However the integration of CNTs into a metal or steel matrix is challenging and dispersion uniformity depends on processing parameters. The composite material properties are a function of the uniformity of CNT dispersion, interfacial bonding, CNT weight percent, length and alignment with the matrix. This paper reviews various methods of processing CNT-metal and CNT-steel nanocomposites, and their reported mechanical and material properties. Ways to overcome technical challenges are proposed and potential applications of CNT-steel composites as next generation structural material for the operationally demanding offshore oil petroleum industry are specifically discussed.
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