Materiales.Compuestos at 14:28, 11 December 2022

2022-12-11T14:28:58Z

Scipediacontent at 17:05, 7 May 2022

2022-05-07T17:05:39Z

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Scipediacontent: Scipediacontent moved page Draft Content 533988260 to Sanchez-Romate et al 2021a

2022-03-31T19:34:37Z

Scipediacontent moved page Draft Content 533988260 to Sanchez-Romate et al 2021a

Scipediacontent: Created page with "== Abstract == In the present work, a model of electrical properties of composites with inherent sensing properties is proposed. More specifically, the effect of both geometr..."

2022-03-31T19:34:34Z

Created page with "== Abstract == In the present work, a model of electrical properties of composites with inherent sensing properties is proposed. More specifically, the effect of both geometr..."

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== Abstract ==

In the present work, a model of electrical properties of composites with inherent sensing properties is proposed. More specifically, the effect of both geometry and dispersion procedure is analyzed for carbon nanostructured polimers, exploring their influence in its electromechanical properties by developing simple analytical methods. In this context, it is observed that a better CNT distribution (by reducing the aggregate ratio) leads to a higher electrical conductivity as well as a higher electrical sensitivity to mechanical deformation. Therefore, the proposed model allows to get a deepr knoweledge about the influence of different processing parametrs in the final electrical properties of the nanocomposite.
Moreover, the experimetal testing of self-sensing structures has been carried out by using a carbon nanotube doped adhesive film. More specifically, it has been observed that the proposed nanostructured adhesive presnts an outstanding capability for early damage detection and propagation, being a promising technique in order to complement other available inspection methods. This tests have been validated at coupon level, as well as a subelement one, by using stiffened panels. In addition, it has been proved a higher capability for detecting the presence of possible weak interfaces, demonstrating the applicability of the developed technique.

== Full document ==
<pdf>Media:Draft_Content_533988260native-articles-522.pdf</pdf>

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 ==1 Introducción ==
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 | <math>\frac{1}{R}={\xi }_{a}\cdot \frac{1}{{R}_{a}}+{\xi }_{d}\cdot \frac{1}{{R}_{d}}+</math><math>\, \underbrace{{{\xi }_{non}\cdot \frac{1}{{R}_{\infty }}}}_{\sim 0}\, \, \rightarrow \quad \, R=</math><math>\frac{{R}_{a}{R}_{d}}{\left( {\xi }_{d}{R}_{a}+{\xi }_{a}{R}_{d}\right) }\quad \, (1)</math>
 |}
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 Finalmente, también se exploró la viabilidad de los adhesivos desarrollados para la monitorización del avance de grieta en ensayos de fatiga. En ese sentido, la Figura 7 muestra la curva electromecánica obtenida para este tipo de ensayos. En ella se observa que la respuesta eléctrica es totalmente robusta, con una similar variación de resistencia eléctrica en ciclos consecutivos. A nivel más global, sí que se observa que la resistencia eléctrica base (la obtenida cuando la probeta se encuentra descargada) aumenta con el número de ciclos de fatiga. Eso se explica por la propagación de grieta que tiene lugar, que lleva a una rotura sostenida de los caminos conductores. A su vez, también se observa que ese aumento de la resistencia eléctrica base es mayor en los últimos tramos del ensayo de fatiga, debido a que la propagación de grieta es mucho más catastrófica y, por tanto, también lo es el aumento de resistencia eléctrica asociado.
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Sanchez-Romate et al 2021a - Revision history

Materiales.Compuestos at 14:28, 11 December 2022

Scipediacontent at 17:05, 7 May 2022

Scipediacontent: Scipediacontent moved page Draft Content 533988260 to Sanchez-Romate et al 2021a

Scipediacontent: Created page with "== Abstract == In the present work, a model of electrical properties of composites with inherent sensing properties is proposed. More specifically, the effect of both geometr..."