Enhanced polymer nanocomposites for condition assessment of wind turbine blades

H. Saleem; M. Thunga; M. Kollosche; M. Kessler; S. Laflamme

doi:10.1117/12.2009856

16 April 2013 Enhanced polymer nanocomposites for condition assessment of wind turbine blades

H. Saleem, M. Thunga, M. Kollosche, M. Kessler, S. Laflamme

Proceedings Volume 8694, Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2013; 86940A (2013) https://doi.org/10.1117/12.2009856
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2013, San Diego, California, United States

Abstract

Damages in composite components of wind turbine blades and large-scale structures can lead to increase in maintenance and repair costs, inoperability, and structural failure. The vast majority of condition assessment of composite structures is conducted by visual inspection and non-destructive evaluation (NDE) techniques. NDE techniques are temporally limited, and may be further impeded by the anisotropy of the composite materials, conductivity of the fibers, and the insulating properties of the matrix. In previous work, the authors have proposed a novel soft elastomeric capacitor (SEC) sensor for monitoring of large surfaces, applicable to composite materials. This soft capacitor is fabricated using a highly sensitive elastomer sandwiched between electrodes. It transduces strain into changes in capacitance. Here, we present a fabrication method for fabricating the SEC. Different surface treatment techniques for the nanoparticles are investigated and the effects on the mechanical and the electrical properties of the produced film are studied. Results show that using melt mixing fabrication method was successful at dispersing the nanoparticles without using any surface treatment, including coating the particles with PDMS oil or the use of Si-69 coupling agent. Yet, treating the surface would result in increasing the stiffness of the matrix as well as improving the interaction between the filler particles and the matrix.

Citation Download Citation

H. Saleem, M. Thunga, M. Kollosche, M. Kessler, and S. Laflamme "Enhanced polymer nanocomposites for condition assessment of wind turbine blades", Proc. SPIE 8694, Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2013, 86940A (16 April 2013); https://doi.org/10.1117/12.2009856

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KEYWORDS

Nanoparticles

Polymers

Particles

Titanium dioxide

Composites

Nondestructive evaluation

Wind turbine technology

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