A review of polymer-matrix piezoelectric composite coatings for energy harvesting and smart sensors / Kabir Baidya in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 21, N° 1 (01/2024)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 21, N° 1 (01/2024) . - p. 55-85 Titre : A review of polymer-matrix piezoelectric composite coatings for energy harvesting and smart sensors Type de document : texte imprimé Auteurs : Kabir Baidya, Auteur ; Amritendu Roy, Auteur ; Kaushik Das, Auteur Année de publication : 2024 Article en page(s) : p. 55-85 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Capteurs (technologie) Energie -- Récupération Formulation (Génie chimique) Matériaux intelligents Matériaux piézoélectriques Polymères Revêtements organiques Revêtements:Peinture Index. décimale : 667.9 Revêtements et enduits Résumé : Piezoelectric paints/coatings usually consist of a polymeric matrix (binder) with embedded piezoelectric ceramics (second phase or pigment) in the form of microparticles or nanoparticles. Piezoelectric paints have gained prominence in aerospace applications among the various categories of smart coatings, especially for structural health monitoring and absorbing radiation. These coatings (in the form of thin/thick films) are also being applied in the place of brittle piezo-ceramics in various microelectronic devices, for example, in gas sensors and flexible electronics, as well as in various energy-harvesting applications. This review paper focuses on the current state of research for the processing and characterization of piezoelectric composites used as paints/coatings films. Special emphasis is on: (i) the processes of application of piezoelectric paints/coatings in the form of a single layer or stacks of thick films and (ii) the processes of poling these piezoelectric coatings. Various modes and process parameters of poling and their effects on the piezoelectric output of different piezoelectric composites are discussed with examples from the literature. Finally, we have tried to identify the existing issues and address the possible way forward in terms of industrial or academic research within the domain of piezoelectric paint/coating film. Note de contenu : - Fundamentals of piezoelectricity, piezoelectric materials and their properties - Piezoelectric smart composite coating - Process of application of piezoelectric composite coating - Poling of piezoelectric materials - Performance of piezoelectric composite coating/paints - Summary, existing issues and the way forward - Table 1 : Piezoelectric and electromechanical properties of piezo-ceramics and piezopolymers - Table 2 : Formulation of piezoelectric paint based on KNN and alkyd resin - Table 3 : Ingredients, composition, casting and thickness for various fabricated coating films - Table 4 : Poling type, electrode and poling condition for various fabricated composite coating films - Table 5 : Composite coatings composition and piezoelectric output DOI : https://doi.org/10.1007/s11998-023-00819-x En ligne : https://drive.google.com/file/d/1x00TGDigUu8cmt8rbJxd-WL2l8q6Euim/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=40436 [article]

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