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Tailored self-sensing of failure mechanisms in glass fiber/carbon nanotube/vinyl ester multiscale hierarchical composites loaded in tension | |
José de Jesús Ku Herrera J.B. Pinto Valeria La Saponara Ricardo Castro FRANCIS AVILES CETINA | |
Acceso Abierto | |
Atribución-NoComercial-SinDerivadas | |
CARBON NANOTUBES HIERARCHICAL COMPOSITES PIEZORESISTIVITY DAMAGE SENSING | |
The damage sensing capabilities of a glass fiber/carbon nanotube/vinyl ester multiscale composite containing a tailored electrically conductive network of multiwall carbón nanotubes (MWCNTs) is investigated. The tailored MWCNT network is achieved by manufacturing the composite into two architectures depending on the location of the MWCNTs within the composite: (1) randomly dispersed within the matrix, or (2) deposited onto the glass fibers. The former architecture was achieved by dispersing MWCNTs within the uncured vinyl ester resin, while the later architecture by depositing MWCNTs onto the glass fibers by using an ultrasonic-aided dipping deposition method. The damage sensing capabilities of the composite were investigated under quasi-static tension loading by using specimens with fibers oriented at 0° and 90° with respect to the load direction for both composite architectures. In situ measurements of electrical resistance while loading the composite show distinctive features, which allow discerning between fiber breakage from matrix or fiber/matrix interfacial damage, depending on the composite’s architecture and failure mode. | |
2014 | |
Artículo | |
Journal of Multifunctional Composites, 2, 171-181, 2014 | |
Inglés | |
Ku-Herrera, J., Pinto, B., La Saponara, V., Castro, R., & Avilés, F. (2014). Tailored self-sensing of failure mechanisms in glass fiber/carbon nanotube/vinyl ester multiscale hierarchical composites loaded in tension. Journal of Multifunctional Composites, 2, 171-181. | |
PROPIEDADES DE LOS MATERIALES | |
Versión publicada | |
publishedVersion - Versión publicada | |
Appears in Collections: | Artículos de Investigación Arbitrados |
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