Cement-Based Composite with Carbon Nanotubes Reinforcement Tailored for Structural Damping

Jian Lin Luo; Zhong Dong Duan; Tie Jun Zhao; Qiu Yi Li

doi:10.4028/www.scientific.net/AMR.150-151.526

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 150-151Cement-Based Composite with Carbon Nanotubes...

Cement-Based Composite with Carbon Nanotubes Reinforcement Tailored for Structural Damping

Abstract:

Cement-based composites filled with some multi-walled carbon nanotubes (MWNTs) (MWNT/CC) were fabricated using surfactant enwrapping, ultrasonic treatment, and subsequently intensive shear mixing. The damping capacities of the cured nanocomposites were characterized with forced vibration testing and half-power bandwidth identification method. Results show that, the MWNTs can greatly enhance the structural damping capacity of the MWNT/CC beam with balanced strength reinforcement. There exists 44.5%, 10% increase in the damping ratio, and fundamental frequency of the MWNT/CC with 1.0 wt% MWNTs addition, along with strength reinforcement, as compared to the reference, respectively.

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Periodical:

Advanced Materials Research (Volumes 150-151)

Pages:

526-529

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.150-151.526

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Online since:

October 2010

Authors:

Jian Lin Luo, Zhong Dong Duan, Tie Jun Zhao, Qiu Yi Li

Keywords:

Carbon Nanotube (CN), Damping Identification, Damping Structural Material

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