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Dissertations / Theses on the topic 'Composite layers'

Author: Grafiati

Published: 28 May 2022

Last updated: 31 July 2025

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1

Lee, James Jin-Wu. "Fracture of brittle layers joined with high elastic modulus composite." College Park, Md. : University of Maryland, 2007. http://hdl.handle.net/1903/6804.

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Thesis (Ph. D.) -- University of Maryland, College Park, 2007.<br>Thesis research directed by: Material Science and Engineering. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.

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2

Aleknavičius, Aidas. "Investigation of composite laser active elements with thin doped layers." Doctoral thesis, Lithuanian Academic Libraries Network (LABT), 2013. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2013~D_20130919_161151-74601.

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The aim of this PhD thesis was to investigate the concept and application abilities of a proposed composite laser element finding factors that limit performance of such laser element. In this work a composite laser element was proposed which combines decent properties of various laser elements. Nevertheless, experiments showed that such element has no advantage over a widely used rod type active laser elements. In order to explain the nature of induced optical aberrations, theoretical models describing optical, thermo-optical and thermo-mechanical properties of active medium were developed and

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3

Lee, Sangjin. "Structure-Property Relationships in Composite Layers Polymeric Film/Foam Systems." Case Western Reserve University School of Graduate Studies / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=case1473444646138984.

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4

Hardwick, S. T. "The origins and properties of transcrystalline layers in thermoplastics composites." Thesis, Brunel University, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.379414.

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5

Ichkitidze, L. P., V. M. Podgaetsky, S. V. Selishchev, E. V. Blagov, V. A. Galperin, and Yu P. Shaman. "Laser Stimulation the Electroconductivity of Composite Layers with Multiwalled Carbon Nanotubes." Thesis, Sumy State University, 2013. http://essuir.sumdu.edu.ua/handle/123456789/35631.

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Electroconductivity laser stimulation (irradiation) of composite layers based on carboxymethyl cellu-lose (CMC) and multiwalled carbon nanotubes (MWCNT) has been researched. The layers were deposited on the following substrates: flexible such as polyimide, polyester, aluminum foil paper, cotton fabric and shop paper (~80 g/m2]; hard substrates such as Si/SiΟ2 and cover glass. The conductivity of layers with thickness 0.5 10 μm was improved more on 500 % /(W/cm2) after laser stimulation (wavelength 970 nm, emission specific power PS~0.051 W/cm2, concentration C~0.05 wt.% MWCNT). When you are

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6

Mitchell, John Anthony. "The effects of embedded piezoelectric layers in composite cylinders and applications." Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-06232009-063032/.

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7

Wang, Bin. "Local delamination failure of thin material layers." Thesis, Loughborough University, 2017. https://dspace.lboro.ac.uk/2134/25128.

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Thin material layers have found various applications with various roles of functions, such as in fibre reinforced laminated composite materials, in integrated electronic circuits, in thermal barrier coating material system, and etc. Interface delamination is a major failure mode due to either residual stress or applied load, or both. Over the past several decades, extensive research works have been done on this subject; however, there are still uncertainties and unsolved problems. This thesis presents the new developed analytical studies on local delamination failure of thin material layers. F

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8

Kusumawati, Yuly. "Oxide and composite electron transport layers for efficient dye-sensitized solar cells." Thesis, Paris 6, 2015. http://www.theses.fr/2015PA066240/document.

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Trois types des ETLs ont été développés et étudiés dans cette travaille comme une photoélectrode dans la cellule solaire à colorant (DSSC). Ils sont composés de (1) deux types de nanoparticules de TiO2-brookite, (2) le composite d'anatase et graphène et (3) la nanoparticule de ZnO qui a nanobâtonnet structure, respectivement. Toutes photoélectrodes sont préparées par le technique « doctor blade ». La morphologie des photoélectrodes ont été caractérisées par microscopie électronique à transmission (MET) et microscopie électronique à balayage (MEB). Les épaisseurs de couche sont mesurées en util

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9

Navale, Kunal. "FINITE ELEMENT SIMULATION OF REPAIR OF DELAMINATED COMPOSITE STRUCTURES USING PIEZOELECTRIC LAYERS." Master's thesis, University of Central Florida, 2005. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3119.

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Damage in composite material fabricated aerospace, aeronautical, mechanical, civil and offshore structures often results from factors such as fatigue, corrosion and accidents. Such damage when left unattended can grow at an alarming rate due to the singularity of the stress and strain in the vicinity of the damage. It can lead to increase in the vibration level, reduction in the load carrying capacity, deterioration in the normal performance of the component and even catastrophic failure. In most conditions, the service life of damaged components is extended with repair instead of immediate re

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10

Bykov, P. A., T. A. Chernysheva, and L. I. Kobeleva. "Surface layers by wear tests of particulate metal matrix composites." Thesis, Видавництво СумДУ, 2011. http://essuir.sumdu.edu.ua/handle/123456789/20526.

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The dry sliding wear behaviour of varying weight fraction of SiC particles reinforced AK12M2MgN aluminum alloy metal matrix composites (MMCs) fabricated by a vortex method was investigated using a pin-on-disk tester CETR UMT. The effect of SiC particle content on the friction coefficient and wear resistance has been evaluated. The formation on friction surface of mechanical mixed layers consisting of debris and fragmented SiC particles was indentified using a optical and a scanning electron microscopes. When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handl

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11

Lammel, Patricia [Verfasser]. "Development and characterization of erosion-resistant metallic layers on composite materials / Patricia Lammel." München : Verlag Dr. Hut, 2013. http://d-nb.info/1033041688/34.

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Lammel, Anja-Maria Patricia [Verfasser]. "Development and characterization of erosion-resistant metallic layers on composite materials / Patricia Lammel." München : Verlag Dr. Hut, 2013. http://d-nb.info/1033041688/34.

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13

Alkarsifi, Riva. "Synthesis and characterization of composite nanomaterials as interfacial layers in organic solar cells." Electronic Thesis or Diss., Aix-Marseille, 2019. http://www.theses.fr/2019AIXM0433.

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Les cellules solaires organiques sont dans le domaine photovoltaïque l'une des approches les plus prometteuses et cette thèse traite de la synthèse chimique de nouveaux nanocristaux à base de métaux et de l'incorporation de ces matériaux, par voie liquide, comme couches de transport dans les cellules solaires. L’une des stratégies pour améliorer les performances des dispositifs consiste en l'incorporation de couches interfaciales appropriées.Celles-ci jouent plusieurs rôles et sont le plus souvent préparées par des méthodes de dépôt sous vide comme l'évaporation thermique. Cependant, ces métho

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14

Weng, Ching-Sung. "Optical scattering and absorption in dental composite resins and their interaction in dissimilar layers /." The Ohio State University, 1992. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487779439846806.

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15

Bin, Mohd Jaini Zainorizuan. "Computational multi-scale modelling of ceramic composite layers and reinforced concrete slabs subjected to blast loading." Thesis, Swansea University, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.643433.

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Blast loading with high pressure intensity propagates within a fraction of second after an explosion. Depending on the amount of energy and wave velocity released, blast loading is highly likely to cause substantial structural damage and leads to a total failure. Taking into account various interests and requirements in the protective structures, the investigation of damage behaviour and structural responses due to this extreme condition is therefore vital. The prime objective of this research is to develop an established framework of numerical modelling of reinforced concrete slabs and protec

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16

Toure, Saran Mariam. "Manufacture and characterisation of carbon fibre prepreg stacks containing resin rich and resin starved slip layers." Thesis, University of Manchester, 2015. https://www.research.manchester.ac.uk/portal/en/theses/manufacture-and-characterisation-of-carbon-fibre-prepreg-stacks-containing-resin-rich-and-resin-starved-slip-layers(371ac2a8-b127-4137-813f-4c5d1b31627a).html.

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The cost of manufacturing high quality composite components can be significantly reduced by using Out of Autoclave (OOA) processes if they can achieve final parts with a finish quality as high as that obtained using an autoclave process. Much research has been carried out recognising that regardless of the reinforcement fibre orientation, manufacturing of preimpregnated (prepregs) carbon components is much affected during its forming stage by fibre deformation and failure modes. This work sought to reduce wrinkling in the moulding of prepregs by introducing slip layers within the lay-up. Three

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17

Hall, Braydon Day. "The Dynamic Analysis of a Composite Overwrapped Gun Barrel with Constrained Viscoelastic Damping Layers Using the Modal Strain Energy Method." DigitalCommons@USU, 2013. https://digitalcommons.usu.edu/etd/1972.

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The effects of a composite overwrapped gun barrel with viscoelastic damping layers are investigated. Interlaminar stresses and constrained layer damping effects are described. The Modal Strain Energy method is developed for measuring the extent to which the barrel is damped. The equations of motion used in the finite element analysis are derived. The transient solution process is outlined. Decisions for selected parameters are discussed. The results of the finite element analyses are presented using the program written in FORTRAN. The static solution is solved with a constant internal pressure

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18

CARVALHO, OSNI de. "Influência da configuração de bobinagem no comportamento mecânico de cilindros de compósito polimérico." reponame:Repositório Institucional do IPEN, 2006. http://repositorio.ipen.br:8080/xmlui/handle/123456789/9301.

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Made available in DSpace on 2014-10-09T12:25:54Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T14:00:39Z (GMT). No. of bitstreams: 0<br>Dissertacao (Mestrado)<br>IPEN/D<br>Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP

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Meddeb, Firas. "Caractérisation du comportement d'un composite biosourcé intégrant une couche viscoélastique." Electronic Thesis or Diss., Le Mans, 2024. http://www.theses.fr/2024LEMA1032.

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Les matériaux composites biosourcés sont de plus en plus utilisés dans différents secteurs pour leurs intérêts, notamment, environnementaux. L’objectif de cette thèse est l'étude de l'effet de l'intégration d'un matériau fonctionnel, une couche viscoélastique sur le comportement mécanique (en statique, en fatigue, en vibration et à l’impact ; température) d'un composite biosourcé. Les matériaux considérés sont constitués de fibres courtes de lin associées à un biopolymère Acide Poly-Lactique (PLA). Une couche viscoélastique en polyuréthane thermoplastique (TPU) est intégrée à ces composites. I

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Cheung, Yin Nee. "Investigation of concrete components with a pseudo-ductile layer /." View abstract or full-text, 2004. http://library.ust.hk/cgi/db/thesis.pl?CIVL%202004%20CHEUNGY.

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Ljung, Jonathan. "Parametric Studies of Soil-Steel Composite Bridges for Dynamic Loads, a Frequency Domain Approach using 3D Finite Element Modelling." Thesis, KTH, Bro- och stålbyggnad, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-254343.

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In this thesis, parametric studies have been performed for a soil-steel compositebridge to determine and investigate the most influential parameters on the dynamicresponse.High-speed railways are currently being planned in Sweden by the Swedish TransportAdministration with train speeds up to 320 km/h. According to the European designcodes, bridges must be verified with respect to dynamic resonance behaviour for trainspeeds exceeding 200 km/h. However, there are no guidelines or design criterion forperforming dynamic verifications of soil-steel composite bridges. The aim of thisthesis has there

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22

Gentieu, Timothée. "Development of filled polymers for the replacement of ceramics used as ballistic protection layer." Thesis, Bordeaux, 2018. http://www.theses.fr/2018BORD0419.

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Les matériaux céramiques présentent généralement des propriétés mécaniques très intéressantes pour la réalisation de blindages. Ce sont des matériaux très durs et pourtant légers. Les plaques de blindages en céramique sont classiquement mises en forme par pressage à haute température de poudres, ce qui limite la taille et la forme des réalisations tout en impliquant un coût élevé. Une alternative pour produire ces pièces est le moulage d’un composite constitué de particules de céramiques dans une matrice époxy. Ce procédé permet de réduire le coût des pièces tout en autorisant des géométries p

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23

Nguyen, Duc Thai. "Benchmark d'un modèle layer wise de multicouches et implémentation du modèle dans Abaqus." Phd thesis, Université Paris-Est, 2012. http://pastel.archives-ouvertes.fr/pastel-00730740.

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Dans ce travail de thèse, le comportement des composites stratifiés est étudié en utilisant des développements d'ordres élevés ou de type layer wise. Un modèle layer wise LS1 (et l'élément fini à huit nœuds qui lui est associé) a été développé en premier lieu pour l'analyse spécifique des contraintes entre les couches pour des problèmes de bords libres ou bien pour l'étude des liaisons entre les couches. Il est fondé sur un modèle de type layer wise qui considère le stratifié comme une superposition de plaques de Reissner couplées les unes aux autres par des efforts d'interfaces. Cet élément a

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TANOV, ROMIL R. "A CONTRIBUTION TO THE FINITE ELEMENT FORMULATION FOR THE ANALYSIS OF COMPOSITE SANDWICH SHELLS." University of Cincinnati / OhioLINK, 2000. http://rave.ohiolink.edu/etdc/view?acc_num=ucin962134920.

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25

Farhat, Ali Y. "Vibrational analysis of composite double layer skeletal structures." Thesis, University of Surrey, 1992. http://epubs.surrey.ac.uk/624/.

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Ashraf, Mohammad. "Structural behaviour of composite triple layer bridge grids." Thesis, University of Surrey, 1988. http://epubs.surrey.ac.uk/797/.

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27

Forbes, Michael F. "Ultrasonic characterization of layered composite systems." Diss., Georgia Institute of Technology, 1986. http://hdl.handle.net/1853/5633.

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28

Alur, Kashyap. "Nonlinear mechanics of composite materials." Thesis, Georgia Institute of Technology, 2015. http://hdl.handle.net/1853/53600.

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Composite materials have been an area of active research in recent years due to the possibility of obtaining multifunctional structures. Viscoelastic layered composites with parallel plane layers consisting of a stiff constituent and a soft viscoelastic constituent are of particular interest as they have been shown to exhibit simultaneous high stiffness and high damping. Such materials would be useful in structural applications and in high vibration environments such as in a vehicle or machinery. They would provide the rigidity required while simultaneously dissipating mechanical energy. The

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29

Le, Crom Bénédicte. "Evaluation ultrasonore des réparations de structures métalliques par collage de patchs composites." Thesis, Bordeaux 1, 2010. http://www.theses.fr/2010BOR14024/document.

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Cette thèse s’est déroulée dans le contexte de l’évaluation non destructive du collage de patches composites employés pour la réparation de structures aéronautiques. Le besoin a été exprimé par la DGA Techniques Aéronautiques (Toulouse). Le travail effectué a consisté en l’exploitation des ondes guidées, de type SH puis Lamb, pour mesurer des caractéristiques mécaniques d'un joint de colle et tenter d’évaluer, de manière non destructive, la qualité du collage. Dans un premier temps, les propriétés viscoélastiques des matériaux assemblés sont déterminées. Elles servent alors de données d’entrée

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Mujica, Randy. "Layer-by-Layer assembly of nanocellulose composite films with bio-inspired helicoidal superstructures." Thesis, Strasbourg, 2020. http://www.theses.fr/2020STRAE011.

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Les propriétés optiques et mécaniques remarquables des matériaux naturels sont souvent associées à la complexité de leurs structures hiérarchiques. L’une des plus complexes est la structure hélicoïdale, constituée de plusieurs couches de fibres alignées dont l’orientation tourne entre les couches voisines. Cette microstructure, dite de Bouligand, est associée à la résistance aux chocs accrue de la carapace de certains crustacés ainsi qu’à la réflexion préférentielle de la lumière polarisée circulaire de certains fruits et insectes. Dans ce travail, nous avons fabriqué des films minces bio-insp

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31

Yalcin, Omer Fatih. "A Dynamic Theory For Laminated Composites Consisting Of Anisotropic Layers." Phd thesis, METU, 2006. http://etd.lib.metu.edu.tr/upload/12607116/index.pdf.

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In this thesis, first a higher order dynamic theory for anisotropic thermoelastic plates is developed. Then, based on this plate theory, two dynamic models, discrete and continuum models (DM and CM), are proposed for layered composites consisting of anisotropic thermoelastic layers. Of the two models, CM is more important, which is established in the study of periodic layered composites using smoothing operations. CM has the properties: it contains inherently the interface and Floquet conditions and facilitates the analysis of the composite, in particular, when the number of laminae in the com

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Awal, Mohammad A. 1959. "Transient response of delamination, intersecting and transverse cracks in layered composite plates." Thesis, The University of Arizona, 1989. http://hdl.handle.net/10150/276955.

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A numerical method is developed to determine the dynamic behavior of delamination and transverse cracks in multilayered plates. The plate is subjected to a time dependent antiplane shear stress field which is acting on the plate surfaces. The interaction of waves diffracted at the crack tip with those reflected at the plate boundaries and transmitted at the material interface makes the problem very complicated, so analytical study of this problem cannot be carried out with our present state of knowledge; hence the problem is solved numerically. The finite element equations are obtained by vari

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Hoisington, Mark A. "Process/property interrelations of layered structured composites /." Thesis, Connect to this title online; UW restricted, 1992. http://hdl.handle.net/1773/9920.

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34

Adams, Daniel O'Hare. "Effects of layer waviness on compression-loaded thermoplastic composite laminates." Diss., This resource online, 1991. http://scholar.lib.vt.edu/theses/available/etd-08252008-161903/.

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35

Michael, Steven Gerard. "Thermoplastic encapsulation of wood strand composite using a tie-layer." Pullman, Wash. : Washington State University, 2008. http://www.dissertations.wsu.edu/Thesis/Fall2008/S_Michael_120108.pdf.

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Thesis (M.S. in civil engineering)--Washington State University, December 2008.<br>Title from PDF title page (viewed on Mar. 10, 2009). "Department of Civil and Environmental Engineering." Includes bibliographical references.

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36

Ragauskas, Paulius. "Identification Of Elastic Properties Of Layered Composite Materials." Doctoral thesis, Lithuanian Academic Libraries Network (LABT), 2010. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2010~D_20101119_134738-62490.

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In this thesis the problems of identification accuracy of elastic properties of materials are examined. The main object of study is samples of various materials and their elastic properties. This is an important subject of theoretical studies of various materials. The main thesis objective is to create an effective technology for precise identification of all the elastic characteristics of the sample. The de-veloped algorithms are to be applied in the material manufacturing industry. Thesis also aims at exploring accuracy and sensitivity of the identification of elastic properties of materials

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37

De, Beer M. "Behaviour of cementitious subbase layers in bitumen base structures." Pretoria : [s.n.], 2009. http://upetd.up.ac.za/thesis/available/etd-08042009-115309/.

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38

Kaynia, Narges. "Instability-induced transformation of interfacial layers in composites and its multifunctional applications." Thesis, Massachusetts Institute of Technology, 2016. http://hdl.handle.net/1721.1/103494.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2016.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 237-241).<br>Inspired by the undulating patterns found in different plant and biological cells in nature, this thesis explores the deformation-induced wrinkling instability transformation in the microstructure of composites with thin interfacial layers. The hybrid microstructure of a composite material has an essential influence on the effective properties and behavior of the composite. Hence, in this research,

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Lombardi, Vincent T. "A layer tension loss and cure model for filament wound composites." Thesis, This resource online, 1991. http://scholar.lib.vt.edu/theses/available/etd-03172010-020339/.

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Işık, Kıvanç Tanoğlu Metin. "Layered silicate/polypropylene nanocomposites/." [s.l.]: [s.n.], 2006. http://library.iyte.edu.tr/tezler/master/makinamuh/T000532.pdf.

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Lander, Julie-Anne. "Structure development in silicate-layered polymer nanocomposites." Thesis, Brunel University, 2002. http://bura.brunel.ac.uk/handle/2438/4390.

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The demands made of materials have resulted in the formation of complex composite structures; one such example of these is nanocomposites. This study is primarily devoted to the preparation and characterisation of nanocomposites. Reactively cast and reactively extruded nanocomposite strategies for the preparation of polyamide-6 composites were compared. The catalyst and activator system selected was based on an industrially successful combination. The extruder screw and barrel configuration used had previously been proven effective for the reactive polymerisation of polyamide-6. The principal

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Bergeling, Rickard. "Layer Management in Virtual Reality : An Explorative Technical Design Study." Thesis, KTH, Medieteknik och interaktionsdesign, MID, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-210812.

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Virtual Reality has once again emerged as a platform with great potential for exploratory research. An expectation for the next generation virtual reality platforms is to be used as a tool for graphical designers as a new way to access the virtual world and interact with digital content. Just as mobile applications are developed for smaller screens with touch capabilities and desktop applications for computer screens with the input of mouse and keyboard, the interfaces of VR applications need to be designed with the capabilities and limitations of the platform in mind. A common component in mo

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Ba, Shan. "Multi-layer designs and composite gaussian process models with engineering applications." Diss., Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/44751.

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This thesis consists of three chapters, covering topics in both the design and modeling aspects of computer experiments as well as their engineering applications. The first chapter systematically develops a new class of space-filling designs for computer experiments by splitting two-level factorial designs into multiple layers. The new design is easy to generate, and our numerical study shows that it can have better space-filling properties than the optimal Latin hypercube design. The second chapter proposes a novel modeling approach for approximating computationally expensive functions that

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UYAR, TAMER. "FORMATION AND CHARACTERIZATION OF POLYPYRROLE/(POLYANILINE-POLYPYRROLE) BI-LAYER COMPOSITE COATINGS." University of Cincinnati / OhioLINK, 2003. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1061221558.

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Suwatchara, Danu. "Development of composite binding layer for direct methanol fuel cell application." Thesis, University of Manchester, 2011. https://www.research.manchester.ac.uk/portal/en/theses/development-of-composite-binding-layer-for-direct-methanol-fuel-cell-application(067b0dac-ec04-4adf-b1f6-64e0de37584d).html.

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Novel composite membrane systems have been devised for use in direct methanol fuel cell (DMFC) with the ultimate aim of improving overall fuel cell performance in terms of achievable power density. The composite membrane system takes the form of a multilayered structure composing of commercial Nafion117 membrane and a novel composite binding layer situated between the anode and the membrane. Within the composite binding layer, inorganic filler particles are evenly dispersed throughout the Nafion matrix presenting a barrier that impedes methanol crossover. Through the current research, three no

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Siglreitmeier, Maria Karina [Verfasser]. "Multifunctional Layered Magnetic Composites / Maria Karina Siglreitmeier." Konstanz : Bibliothek der Universität Konstanz, 2015. http://d-nb.info/1109923155/34.

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Cheng, Chuan Tse, and 成荃增. "Nano-TiO2 composite Alignment Layers for OCB LCD applications." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/08637828020099200241.

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盧嘉聰. "Inverse Heat Condution Analysis of Composite Layers with Genetic Algorithm." Thesis, 1997. http://ndltd.ncl.edu.tw/handle/02282871386922422405.

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碩士<br>國立成功大學<br>機械工程學系<br>85<br>In this present dissertation, a methodology is used to solve one-dimensional transient inverse heat conduction problem (IHCP) with composite layers on the estimation of the unknown boundary conditions or the contact heat conductance. This methodology is the combination of Genetic Algorithms (GAs) with the finite difference method and the relatively least square scheme. The advantage of GAs is that the mathematical model is simple and the solution is global optimum and robust. This thesis presents three examples of transient one-dimensional IHCP for composi

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Liau, You-Cheng, and 廖友成. "Axial Shear Waves in a Piezoelectric Fibrous Composite with Interfacial Layers." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/79953547831055745438.

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碩士<br>逢甲大學<br>機械工程學所<br>91<br>ABSTRACT Composites consisting of piezoelectric fibers embedded in a polymer matrix show superior properties such as higher sensitivity, higher stiffness and toughness, and lower acoustic impedance than those of single phase material. They are widely used in underwater pressure sensors, hydrophones and ultrasonic transducers. Obviously the variation of phase properties, concentrations, size, distribution, fiber-matrix interface properties influences the performance of such composites. In order to design piezocomposites with optimal sensitivity and to predict t

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"Novel Transparent Composite Electrodes and Mixed Oxide Layers for Improved Flexible Electronics." Doctoral diss., 2015. http://hdl.handle.net/2286/R.I.29633.

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abstract: Transparent conductive oxides (TCO) comprise a class of materials that exhibit unique combination of high transparency in the visible region along with high electrical conductivity. TCOs play an important role as transparent electrodes for optoelectronic devices such as solar cell panels, liquid crystal displays, transparent heat mirrors and organic light emitting devices (OLED). The most commonly used transparent electrodes in optoelectronic applications is indium tin oxide (ITO) due to its low resistivity (~ 10−4 Ω-cm) and high transmittance (~ 80 %). However, the limit

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