Mechanical, thermal and electromagnetic properties of nanographite platelets modified cementitious composites

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Abstract

Nanographite platelets (NGPs) are used as multi-functional fillers to develop cementitious composites because the unique carbon-carbon hexagonal plane structure makes NGPs have excellent mechanical, electrical, dielectric and thermal properties. In this paper, cementitious composites filled with NGPs are fabricated to investigate the effect of NGPs on mechanical, thermal and electromagnetic properties of cementitious composites. Experiment results show that the addition of NGPs can effectively modify the above-mentioned properties of cementitious composites. When the content of NGPs reaches 5%, the hardness of the composites increases 1.5-fold, the abrasive loss per unit area of the composites reduces by 71%, the abrasion depth of the composites reduces by 73%, the thermal conductivity of the composites increases by 77%, the specific heat of the composites decreases by 17.7%, the damping ratio of the composites increases by 20%, and the electromagnetic wave reflectivity of the composites decreases by 38% compared with pure cementitious composites.

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APA

Cui, X., Sun, S., Han, B., Yu, X., Ouyang, J., Zeng, S., & Ou, J. (2017). Mechanical, thermal and electromagnetic properties of nanographite platelets modified cementitious composites. Composites Part A: Applied Science and Manufacturing, 93, 49–58. https://doi.org/10.1016/j.compositesa.2016.11.017

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