Capacitive ultrasonic micro-transducer made of carbon nanotubes / Bérengère Lebental in European journal of environmental and civil engineering, Vol. 15 N° 4 (Avril 2011)  

Public ISBD [article]  inEuropean journal of environmental and civil engineering > Vol. 15 N° 4 (Avril 2011) . - pp. 649-662 Titre : Capacitive ultrasonic micro-transducer made of carbon nanotubes : Prospects for the in-situ embedded non-destructive testing of durability in cementitious materials Type de document : texte imprimé Auteurs : Bérengère Lebental, Auteur ; Anne Ghis, Auteur ; Elisabeth Delevoye, Auteur Année de publication : 2011 Article en page(s) : pp. 649-662 Note générale : Génie Civil Langues : Anglais (eng) Mots-clés : Non-destructive testing Cementitious materials Durability Micro-porosity Carbon nanotubes Ultrasonic transducers Microfluidics Elasto-acoustics Index. décimale : 624 Constructions du génie civil et du bâtiment. Infrastructures. Ouvrages en terres. Fondations. Tunnels. Ponts et charpentes Résumé : We put forward an innovative method for the non-destructive testing of durability in cementitious material. It is based on microporosity probing by high-frequency ultrasonic micro-transducers. We present elements of the realisation and the characterization of such challenging devices. Their design relies on the exceptional mechanical performances of carbon nanotubes. Modelling of the devices in a fluid environment provides a preliminary validation of their suitability for durability monitoring. DEWEY : 624 ISSN : 1964-8189 En ligne : http://ejece.revuesonline.com/article.jsp?articleId=16051 [article] Capacitive ultrasonic micro-transducer made of carbon nanotubes : Prospects for the in-situ embedded non-destructive testing of durability in cementitious materials [texte imprimé] / Bérengère Lebental, Auteur ; Anne Ghis, Auteur ; Elisabeth Delevoye, Auteur . - 2011 . - pp. 649-662. Génie Civil Langues : Anglais (eng) in European journal of environmental and civil engineering > Vol. 15 N° 4 (Avril 2011) . - pp. 649-662 Mots-clés : Non-destructive testing Cementitious materials Durability Micro-porosity Carbon nanotubes Ultrasonic transducers Microfluidics Elasto-acoustics Index. décimale : 624 Constructions du génie civil et du bâtiment. Infrastructures. Ouvrages en terres. Fondations. Tunnels. Ponts et charpentes Résumé : We put forward an innovative method for the non-destructive testing of durability in cementitious material. It is based on microporosity probing by high-frequency ultrasonic micro-transducers. We present elements of the realisation and the characterization of such challenging devices. Their design relies on the exceptional mechanical performances of carbon nanotubes. Modelling of the devices in a fluid environment provides a preliminary validation of their suitability for durability monitoring. DEWEY : 624 ISSN : 1964-8189 En ligne : http://ejece.revuesonline.com/article.jsp?articleId=16051

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