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Proprietes Mecaniques De Films Hybrides Nanocomposites
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Book Synopsis Propriétés mécaniques de films hybrides nanocomposites by : Nicolas Chemin
Download or read book Propriétés mécaniques de films hybrides nanocomposites written by Nicolas Chemin and published by . This book was released on 2007 with total page 177 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ce travail concerne l’étude des relations structure-propriétés mécaniques sur deux systèmes hybrides nanocomposites constitués d’une matrice hôte, pouvant être purement organique poly(hydroxyéthyl méthacrylate) (PHEMA) ou hybride organique-inorganique PHEMA-Silice, incorporant des nanoparticules particules d’oxyde de fer de tailles et de morphologies différentes. L’étude des propriétés mécaniques par nanoindentation, incluant le caractère visco-élastique et le caractère visco-plastique des films a permis de mettre en évidence les rôles prépondérants des interfaces entre les particules et la matrice et de la microstructure des films (dispersion et organisation des particules et porosité essentiellement). Pour cela des méthodes de caractérisation (par diffusion des rayons X aux petits angles, microscopie électronique, ellipsométrie et spectroscopie infrarouge) ont été développées pour caractériser spécifiquement les propriétés structurales des films.
Book Synopsis Natural rubber nanocomposites reinforced with nanostructured carbon-based materials by : Farnaz Shahamati Fard
Download or read book Natural rubber nanocomposites reinforced with nanostructured carbon-based materials written by Farnaz Shahamati Fard and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Le développement de nanocomposites thermoconducteurs à base de caoutchouc est une tâche difficile pour diverses technologies modernes, allant des appareils électroniques à l'industrie du pneu. La présente étude est concentrée sur les propriétés thermiques et mécaniques de composites de caoutchouc naturel chargés avec des additifs à base de carbone, notamment du noir de carbone, des nanotubes de carbone, de l'oxyde de graphène réduit et des nanoplaquettes de graphène. En raison de la faible conductivité thermique du caoutchouc, des concentrations élevées de divers additifs thermoconducteurs sont nécessaires. Cependant, cela a un impact significatif sur le comportement mécanique des matériaux finaux, ce qui limite leur application. Dans ce scénario difficile, nous avons cherché à améliorer la conductivité thermique et les propriétés mécaniques (y compris les propriétés en traction, la dureté, les propriétés dynamiques, etc.) de nanocomposites à base de caoutchouc en exploitant des systèmes de charges hybrides à base de carbone. Nous avons aussi modifié la surface de ces charges pour améliorer leur interaction avec la matrice en caoutchouc dans le but de créer un réseau continu de charges à travers la matrice. La première partie de la thèse (chapitre 2) décrit l'effet de l'ajout de l'oxyde de graphène réduit (RGO) sur la conductivité thermique et les propriétés mécaniques de caoutchouc. Le RGO a d'abord été synthétisé en utilisant la méthode Hummer améliorée. Ensuite, il a été pré-dispersé dans du latex naturel en utilisant la technique de co-coagulation puis mélangé à la formulation de référence à différentes teneurs (0-2 parties pour cent en caoutchouc (phr))à l'aide d'un mélangeur interne. Pour une concentration de RGO de 2 phr, les résultats ont montré que la densité de réticulation des nanocomposites caoutchouc/RGO développés avait augmenté de 65% par rapport à la formulation de base. Une augmentation significative de la résistance à la traction (53%) et du module de Young (31%) a été observée pour la même concentration en RGO. Enfin, il a été observé que l'ajout de seulement 0.5 phr de RGO avait entraîné une amélioration considérable (26%) de la conductivité thermique. Dans la deuxième partie de la thèse (chapitre 3), l'effet d'un système de charges hybride (noir de carbone/nanotubes de carbone multi-parois, MWCNT) sur les propriétés mécaniques et la conductivité thermique des nanocomposites développés a été étudié. En raison de la différence de forme entre le noir de carbone et les MWCNT, ainsi que de l'adsorption des agents de réticulation à la surface des MWCNT, il a été observé que le temps de cuisson (vulcanisation) (t10) et celui de cuisson optimal (t90) de la matrice en caoutchouc augmentaient progressivement avec l'augmentation de la teneur en MWCNT. Enfin, en remplaçant 5 phr de noir de carbone par la même concentration en MWCNT, des améliorations significatives de la conductivité thermique et des propriétés mécaniques ont été obtenues grâce aux propriétés intrinsèques des MWCNT et à leur synergie avec le noir de carbone. En outre, les modules à 100% et 300% de déformation (M@100 et M@300) des nanocomposites développés ont respectivement augmenté de 72% et 54%. Dans la troisième partie de la thèse (chapitre 4), la modification de surface des MWCNT a été réalisée pour améliorer le comportement mécanique dynamique des nanocomposites correspondants et trouver un ratio optimal de charges menant à des propriétés mécaniques et thermiques améliorées. Les résultats ont montré l'effet positif de l'oxydation de la surface des MWCNT sur la dispersion des charges et les propriétés thermiques et mécaniques des nanocomposites. La dernière partie de la thèse (chapitre 5) a été consacrée à l'étude de l'effet synergique des systèmes hybrides de charges (noir de carbone/nanoplaquettes de graphène, GNPs) dans lequel les GNPs (GNP-M25, GNP-C300 et GNP-C750) présentaient différentes surfaces spécifiques et différents rapports d'aspect. Les résultats ont montré que la surface spécifique de la charge et son rapport d'aspect jouent un rôle vital dans la production d'un réseau de charges conducteur. L'incorporation du GNP-M25 ayant une dimension latérale la plus élevée parmi les trois GNPs étudiés permettait de développer un nanocomposite ayant une conductivité thermique plus élevée. D'autre part, à une concentration élevée (5 phr), la synergie entre GNPs-M25 et le noir de carbone était élevée, entraînant une meilleure dispersion des charges et une plus faible dissipation d'énergie.
Book Synopsis Nanocomposite Thin Films and Coatings by : Sam Zhang
Download or read book Nanocomposite Thin Films and Coatings written by Sam Zhang and published by Imperial College Press. This book was released on 2007 with total page 628 pages. Available in PDF, EPUB and Kindle. Book excerpt: Materials development has reached a point where it is difficult for a single material to satisfy the needs of sophisticated applications in the modern world. Nanocomposite films and coatings achieve much more than the simple addition of the constitutents OCo the law of summation fails to work in the nano-world. This book encompasses three major parts of the development of nanocomposite films and coatings: the first focuses on processing and properties, the second concentrates on mechanical performance, and the third deals with functional performance, including wide application areas ranging from mechanical cutting to solar energy and from electronics to medicine. Sample Chapter(s). Chapter 1: Magnetron Sputtered Hard and Yet Tough Nanocomposite Coatings With Case Studies: Nanocrystalline Tin Embedded in Amorphous SiNx (187 KB). Contents: Magnetron Sputtered Hard and Yet Tough Nanocomposite Coatings with Case Studies: Nanocrystalline TiN Embedded in Amorphous SiN x (S Zhang et al.); Magnetron Sputtered Hard and Yet Tough Nanocomposite Coatings with Case Studies: Nanocrystalline TiC Embedded in Amorphous Carbon (S Zhang et al.); Properties of Chemical Vapor Deposited Nanocrystalline Diamond and Nanodiamond/Amorphous Carbon Composite Films (S C Tjong); Synthesis, Characterization and Applications of Nanocrystalline Diamond Films (Z-Q Xu & A Kumar); Properties of Hard Nanocomposite Thin Films (J Musil); Nanostructured, Multifunctional Tribological Coatings (J J Moore et al.); Nanocomposite Thin Films for Solar Energy Conversion (Y-B Yin); Application of Silicon Nanocrystal in Non-Volatile Memory Devices (T P Chen); Nanocrystalline Silicon Films for Thin Film Transistor and Optoelectronic Applications (Y-J Choi et al.); Amorphous and Nanocomposite Diamond-Like Carbon Coatings for Biomedical Applications (T I T Okpalugo et al.); Nanocoatings for Orthopaedic and Dental Application (W-Q Yan). Readership: Undergraduates, postgraduates, researchers, scientists, college and university professors, research professionals, technology investors and developers, research enterprises, R&D research laboratories, academic and research libraries."
Book Synopsis Handbook of Magnetic Hybrid Nanoalloys and their Nanocomposites by : Sabu Thomas
Download or read book Handbook of Magnetic Hybrid Nanoalloys and their Nanocomposites written by Sabu Thomas and published by Springer Nature. This book was released on 2022-10-27 with total page 1278 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive reference work satisfies the need for in-depth and multidisciplinary coverage of the current state of the art of magnetic hybrid nanoalloys (MHNAs) and their polymer and ceramic nanocomposites. MHNAs represent one of the most challenging research areas in modern science and technology. These materials are stiff and strong with remarkable electronic, mechanical, electrical, thermal and biocompatible properties, and a high potential for multifunctional applications ranging from industry to medicine. The peer-reviewed literature is already extensive, witnessing rapid progress in experimental and theoretical studies on fundamental properties as well as various advanced applications. Part 1 covers theory, modelling, and synthesis (growth and alloying mechanisms) of MHNAs. Formation mechanisms of magneto-electric multiferroic materials, magnetic carbon nanotube (CNTs), and perovskite materials, which are a novel class of next-generation multifunctional nanomaterials, are discussed. The second part focuses on characterization techniques for electrical and dielectrical, rheological, biocompatibility, and other properties, as well as applications in the industrial, agricultural, environmental, and biomedical sectors. Finally, life cycle assessment is considered as essential to the development of nanomaterials and nanoproducts from MHNAs. Advanced undergraduate and graduate students, researchers, and other professionals in the fields of materials science and engineering, polymer science, surface science, bioengineering, and chemical engineering will find comprehensive and authoritative information for solving fundamental and applied problems in the characterization and use of these multifunctional nanomaterials.
Book Synopsis Clay-containing Polymeric Nanocomposites by : L. A. Utracki
Download or read book Clay-containing Polymeric Nanocomposites written by L. A. Utracki and published by iSmithers Rapra Publishing. This book was released on 2004 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a very comprehensive book and represents the forefront of the technology of Clay-Containing Polymeric Nanocomposites.
Book Synopsis Two-dimensional Inorganic Nanomaterials for Conductive Polymer Nanocomposites by : Chaoying Wan
Download or read book Two-dimensional Inorganic Nanomaterials for Conductive Polymer Nanocomposites written by Chaoying Wan and published by Royal Society of Chemistry. This book was released on 2021-06-28 with total page 293 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book highlights the synthesis, chemistry and applications of two-dimensional (2D) inorganic nanoplatelets in polymer nanocomposites.
Book Synopsis Multilayer Thin Films by : Gero Decher
Download or read book Multilayer Thin Films written by Gero Decher and published by John Wiley & Sons. This book was released on 2006-03-06 with total page 543 pages. Available in PDF, EPUB and Kindle. Book excerpt: Materials scientists are often faced with the problem of modifying surfaces of objects, yet keeping their shape and properties. This book provides a detailed survey on the new technology of adsorption from solution for the fabrication of molecularly ordered multicomposite films in order to replace and expand on the well known Langmuir-Blodgett technology and to open the field of molecular self-assembly to materials and biosciences. The book is aimed at scientists who want to integrate several different functional entities in a single device. To this audience it presents the technique of layer-by-layer assembly as today's most powerful key technology, which is low cost, solution based and very robust. It is already beginning to make the transition from academic research into industrial mass production.
Book Synopsis Composite Materials by : Jean-Marie Berthelot
Download or read book Composite Materials written by Jean-Marie Berthelot and published by Springer. This book was released on 2013-02-06 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mechanical engineering, an engineering discipline borne of the needs of the in dustrial revolution, is once again asked to do its substantial share in the call for industrial renewal. The general call is urgent as we face profound issues of produc tivity and competitiveness that require engineering solutions, among others. The Mechanical Engineering Series features graduate texts and research monographs intended to address the need for information in contemporary areas of mechanical engineering. The series is conceived as a comprehensive one that covers a broad range of concentrations important to mechanical engineering graduate education and re search. We are fortunate to have a distinguished roster of consulting editors on the advisory board, each an expert in one of the areas of concentration. The names of the consulting editors are listed on the next page of this volume. The areas of concentration are applied mechanics, biomechanics, computational mechan ics, dynamic systems and control, energetics, mechanics of materials, processing, thermal science, and tribology.
Book Synopsis Polymer and Ceramic Composite Materials by : Noureddine Ramdani
Download or read book Polymer and Ceramic Composite Materials written by Noureddine Ramdani and published by CRC Press. This book was released on 2019-02-07 with total page 371 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book summarizes recent advances in the fabrication methods, properties, and applications of various ceramic-filled polymer matrix composites. Surface-modification methods and chemical functionalization of the ceramic fillers are explored in detail, and the outstanding thermal and mechanical properties of polymer–ceramic composites, the modeling of some of their thermal and mechanical parameters, and their major potential applications are discussed along with detailed examples. Aimed at researchers, industry professionals, and advanced students working in materials science and engineering, this work offering a review of a vast number of references in the polymer–ceramic field, this work helps readers easily advance their research and understanding of the field.
Download or read book Nanocellulose written by Alain Dufresne and published by Walter de Gruyter. This book was released on 2012-12-06 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt: This specialist monograph provides an overview of the recent research on the fundamental and applied properties of nanoparticles extracted from cellulose, the most abundant polymer on the planet and an essential renewable resource. Given the rapid advancements in the field and the high level of interest within the scientific and industrial communities, this timely book will be required reading for all those working with nanocellulose in the life sciences and bio-based applications, biological, chemical and agricultural engineering, organic chemistry and materials science. The author pioneered the use of cellulose nanoparticles (cellulose nanocrystals or whiskers and cellulose microfibrils) in nanocomposite applications.The book combines a general introduction to cellulose and basic techniques with more advanced chapters on specific properties and applications of nanocellulose.
Book Synopsis The Non-halogenated Flame Retardant Handbook by : Alexander B. Morgan
Download or read book The Non-halogenated Flame Retardant Handbook written by Alexander B. Morgan and published by John Wiley & Sons. This book was released on 2014-04-07 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt: A one-stop, practical handbook containing all of the current commercial non-halogenated flame retardant technologies as well as experimental systems near commercialization In response to the emphasis on replacing halogenated flame retardants with alternate technologies, this handbook focuses on existing non-halogenated flame retardants and the experimental close-to-production systems that are available today. The Non-Halogenated Flame Retardant Handbook starts with an overview of the regulations and customer perceptions driving non-halogenated flame retardant selections over older halogenated technologies. It then moves on to cover the known major classes of non-halogenated flame retardants, before concluding with the current niche-performing technologies and untried commercial contenders of the future. The Non-Halogenated Flame Retardant Handbook: Takes a practical approach to addressing the narrow subject of non-halogenated flame retardancy—placing more emphasis on flame retardant selection for specific plastics, practical considerations in flame retardant material design, and the various technologies’ strengths and limits Focuses on the proper use of non-halogenated flame retardants, rather than the mechanics of how they work Discusses important future trends in flame retardancy Features sections written by industrial and chemical experts who know how to apply the technology to polymers for fire safety needs
Book Synopsis Particulate-filled Polymer Composites by : Roger N. Rothon
Download or read book Particulate-filled Polymer Composites written by Roger N. Rothon and published by Addison Wesley Longman. This book was released on 1995 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nanoclay Reinforced Polymer Composites by : Mohammad Jawaid
Download or read book Nanoclay Reinforced Polymer Composites written by Mohammad Jawaid and published by Springer. This book was released on 2016-08-12 with total page 395 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is part of a two-volume book series that exhaustively reviews the key recent research into nanoclay reinforced polymer composites. This second volume focuses on nanoclay based nanocomposites and bionanocomposites fabrication, characterization and applications. This includes classification of nanoclay, chemical modification and processing techniques of nanocomposites. The book also provides comprehensive information about nanoclay modification and functionalization; modification of nanoclay systems, geological and mineralogical research on clays suitability; bio-nanocomposites based on nanoclays; modelling of mechanical behaviour of halloysite based composites; mechanical and thermal properties of halloysite nanocomposites; the effect of Nanoclays on gas barrier properties of polymers and modified nanocomposites. This book is a valuable reference guide for academics and industrial practitioners alike.
Book Synopsis Thermoplastic Elastomers from Rubber-plastic Blends by : S. K. De
Download or read book Thermoplastic Elastomers from Rubber-plastic Blends written by S. K. De and published by Prentice Hall. This book was released on 1990 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Smart Structures and Materials by : B. Culshaw
Download or read book Smart Structures and Materials written by B. Culshaw and published by Artech House Publishers. This book was released on 1996 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces the enabling concepts that make up the so-called smart structure and presents a number of brief case studies to illustrate the applications of these concepts. It examines the domains of the individual technologies and defines the challenges faced by the integrator. The book is particularly effective for the potential system user who needs a good technical general background on the subject and is also useful for students and researchers in contributory technologies who want to better understand the context of their work. Consultants in civil and structural engineering will also find it of interest.
Book Synopsis Long-Term Durability of Polymeric Matrix Composites by : Kishore V. Pochiraju
Download or read book Long-Term Durability of Polymeric Matrix Composites written by Kishore V. Pochiraju and published by Springer Science & Business Media. This book was released on 2011-09-25 with total page 681 pages. Available in PDF, EPUB and Kindle. Book excerpt: Long-Term Durability of Polymeric Matrix Composites presents a comprehensive knowledge-set of matrix, fiber and interphase behavior under long-term aging conditions, theoretical modeling and experimental methods. This book covers long-term constituent behavior, predictive methodologies, experimental validation and design practice. Readers will also find a discussion of various applications, including aging air craft structures, aging civil infrastructure, in addition to engines and high temperature applications.
Download or read book Ceramic Coatings written by Feng Shi and published by BoD – Books on Demand. This book was released on 2012-02-24 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: The main target of this book is to state the latest advancement in ceramic coatings technology in various industrial fields. The book includes topics related to the applications of ceramic coating covers in enginnering, including fabrication route (electrophoretic deposition and physical deposition) and applications in turbine parts, internal combustion engine, pigment, foundry, etc.
