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Dissertations / Theses on the topic 'Titanium and composite materials'

Author: Grafiati

Published: 11 January 2025

Last updated: 31 July 2025

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1

Cobb, Ted Quincy Jr. "Optimization of hybrid titanium composite laminates." Thesis, Georgia Institute of Technology, 1998. http://hdl.handle.net/1853/19965.

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2

Stepina, Nataliia. "Biocompatible carbon nanotube/β-titanium alloy composite materials". Thesis, University of Oxford, 2015. https://ora.ox.ac.uk/objects/uuid:09d4a408-9624-45c2-a8a9-0f14fd2b2251.

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The thesis describes a study of the modifications of orthopaedic Ti-based substrates using nanomaterials, and the evaluation of their biocompatibility for further use as implant material, with the aim to develop new, biocompatible β-Ti/CNT composite materials. Traditionally, CNTs require the presence of a transition metal catalyst such as Fe, Ni, Co, for successful growth. Different aspects of a catalyst-assisted CVD MWCNTs growth on various Ti-based substrates including bulk, thin films and 3D porous scaffolds, have been investigated. Low concentrations of catalyst were deposited using spin c

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3

Li, Wenyu. "The fabrication of silicon nitride-titanium nitride composite materials." Thesis, University of Leeds, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.305875.

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4

Li, Edward. "Characterization of mechanical and fatigue properties for a hybrid titanium composite laminate." Thesis, Georgia Institute of Technology, 1997. http://hdl.handle.net/1853/19897.

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5

Osborne, Deborah J. "Experimental and computational study of interphase properties and mechanics in titanium metal matrix composites at elevated temperatures /." View online ; access limited to URI, 2007. http://0-digitalcommons.uri.edu.helin.uri.edu/dissertations/AAI3277003.

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6

Rhymer, Donald William. "Fatigue damage mechanisms of advanced hybrid titanium composite laminates." Thesis, Georgia Institute of Technology, 1999. http://hdl.handle.net/1853/18980.

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7

Montoya, Anthony Tristan. "Synthesis of carbon nitrides and composite photocatalyst materials." Diss., University of Iowa, 2018. https://ir.uiowa.edu/etd/6479.

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This thesis describes the synthesis, characterization and photocatalytic applications of carbon nitride (C3N4) and titanium dioxide (TiO2) materials. C3N4 was prepared from the thermal decomposition of a trichloromelamine (TCM) precursor. Several different reactor designs and decomposition temperatures were used to produce chemically and thermally stable orange powders. These methods included a low temperature glass Schlenk reactor, a high mass scale stainless steel reactor, and decomposition at higher temperatures by the immersion of a Schlenk tube into a furnace. These products share many of

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8

Calcaterra, Jeffrey Ronald. "Life prediction evaluation and damage mechanism identification for SCS-6/Timetal 21S composites subjected to thermomechanical fatigue." Diss., Georgia Institute of Technology, 1996. http://hdl.handle.net/1853/12548.

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9

Ho, Beatrice Jane, and 何沛枝. "Effects of sandblasting on resin composite bonding to zirconia and titanium." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2013. http://hdl.handle.net/10722/194577.

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10

Castro, Gabriel. "Drilling carbon fiber reinforced plastic and titanium stacks." Pullman, Wash. : Washington State University, 2010. http://www.dissertations.wsu.edu/Thesis/Spring2010/g_castro_042210.pdf.

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Thesis (M.S. in mechanical engineering)--Washington State University, May 2010.<br>Title from PDF title page (viewed on July 16, 2010). "School of Engineering and Computer Science." Includes bibliographical references (p. 109-112).

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11

Hammond, Matthew Wesley. "Evaluation of the Crack Initiation and Crack Growth Characteristics in Hybrid Titanium Composite Laminates via In Situ Radiography." Thesis, Georgia Institute of Technology, 2005. http://hdl.handle.net/1853/7650.

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Hybrid Titanium Composite Laminates (HTCL) have vast potential for future commercial aircraft development. In order for this potential to be properly utilized the HTCLs material properties must first be well understood and obtained through experimentation. Crack initiation and crack growth characteristics of HTCLs are dependent on the heat treatment of the embedded constituent titanium foil. While high strength titanium foils may delay crack initiation, there may be an adverse effect of unsuitable crack growth rates in the HTCLs. Literature has indicated that when properly designed, cracks

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12

Carney, Alison Fox. "The effect of microstructure on the mechanical properties of a 30% titanium diboride/70% alumina composite." Thesis, Georgia Institute of Technology, 1997. http://hdl.handle.net/1853/19994.

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13

Logan, Kathryn Vance. "Elastic-plastic behavior of hot pressed composite titanium diboride/alumina powders produced using self-propagating high temperature synthesis." Diss., Georgia Institute of Technology, 1992. http://hdl.handle.net/1853/15853.

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14

Muscat, Daniel. "Titanium carbidealuminum composites by melt infiltration." Thesis, McGill University, 1993. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=41230.

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Metal/ceramic composites have attracted considerable attention in the last 20 years, primarily due to the flexibility they offer when designing material with tailored properties. Melt infiltration is a popular fabricating method for such composites, as it allows the production of near-net shape components with high ceramic content. Capillaric melt infiltration is a simpler process since the liquid penetrates the preform under the action of a capillary pressure. This work deals with the fabrication and evaluation of a TiC/Al composite produced by melt infiltration. Pre-sintered preforms, having

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15

Zhao, Ying. "Design of energy absorbing materials and composite structures based on porous shape memory alloys (SE) /." Thesis, Connect to this title online; UW restricted, 2006. http://hdl.handle.net/1773/7148.

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16

Atbayga, Abdalla Mohammed Ali. "In vitro anti-bacterial activity of titanium oxide nano-composites containing benzalkonium chloride and chlorhexidine gluconate." Thesis, Cape Peninsula University of Technology, 2013. http://hdl.handle.net/20.500.11838/1460.

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Thesis submitted in fulfilment of the requirements for the degree Master of Technology: Biomedical Technology In the Faculty of Health and Wellness Sciences At Cape Peninsula University of Technology 2013<br>Newly developed and commercial dental resins which are commonly used nowadays have to be tested for their antimicrobial susceptibility. The purpose of this in vitro study was to investigate the antimicrobial activity of a titanium oxide (TiO2) nano-composite which was prepared with different antibacterial substances and used as restoratives in dentistry to combat certain selected bacteria

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17

Mwita, Wambura Mwiryenyi. "Development and testing an intelligent hybrid polymeric composite beam with healing ability embedded with Ni-Ti shape memory alloy." Thesis, Cape Peninsula University of Technology, 2010. http://hdl.handle.net/20.500.11838/1251.

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Thesis (MTech (Mechanical Engineering))--Cape Peninsula University of Technology, 2010.<br>Hybrid polymeric composites (HPC) are widely used for the design of aerospace, automobile and civil engineering structures. One of the major challenges posed by these materials and structures is their brittle nature. When subjected to impact and dynamic loads, the polymeric composite structures undergo micro cracking. The cracks coalesce, propagate and can lead to catastrophic failure of the material and structures. In this thesis, an intelligent hybrid polymeric composite (IHPC) beam with healing abi

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18

Xu, Jinyang. "Numerical and experimental study of machining titanium-composite stacks." Thesis, Paris, ENSAM, 2016. http://www.theses.fr/2016ENAM0022/document.

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Dans l’industrie aérospatiale, l’utilisation des matériaux hybrides CFRP/Ti montre une tendance à la hausse en raison de leurs propriétés mécaniques/physiques améliorées ainsi que des fonctions structurelles plus flexibles. En dépit de leurs nombreuses applications, l’usinage CFRP/Ti en perçage en une seule passe reste le principal défi scientifique et technologique de l’assemblage multi-matériaux. Par rapport au coût de production élevé et le temps des recherches basées sur des approches exclusivement expérimentales de l’usinage multi-matériaux, cette étude a pour objectif d’amener une meille

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19

Gopagoni, Sundeep. "Microstructure Evolution in Laser Deposited Nickel-Titanium-Carbon in situ Metal Matrix Composite." Thesis, University of North Texas, 2010. https://digital.library.unt.edu/ark:/67531/metadc33154/.

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Ni/TiC metal matrix composites have been processed using the laser engineered net shaping (LENS) process. As nickel does not form an equilibrium carbide phase, addition of a strong carbide former in the form of titanium reinforces the nickel matrix resulting in a promising hybrid material for both surface engineering as well as high temperature structural applications. Changing the relative amounts of titanium and carbon in the nickel matrix, relatively low volume fraction of refined homogeneously distributed carbide precipitates, formation of in-situ carbide precipitates and the microstructur

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20

Rubink, William S. "Processing-Structure-Property Relationships of Spark Plasma Sintered Boron Carbide and Titanium Diboride Ceramic Composites." Thesis, University of North Texas, 2018. https://digital.library.unt.edu/ark:/67531/metadc1157631/.

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The aim of this study was to understand the processing – structure – property relationships in spark plasma sintered (SPS) boron carbide (B4C) and B4C-titanium diboride (TiB2) ceramic composites. SPS allowed for consolidation of both B4C and B4C-TiB2 composites without sintering additives, residual phases, e.g., graphite, and excessive grain growth due to long sintering times. A selection of composite compositions in 20% TiB2 feedstock powder increments from 0% to 100%, was sintered at 1900°C for 25 minutes hold time. A homogeneous B4C-TiB2 composite microstructure was determined with excel

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21

MATOS, BRUNO R. de. "Preparação e caracterização de eletrólitos compósitos NAFION-TiOsub(2) para aplicação em células a combustível de membrana de troca protônica." reponame:Repositório Institucional do IPEN, 2008. http://repositorio.ipen.br:8080/xmlui/handle/123456789/11615.

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Made available in DSpace on 2014-10-09T12:53:53Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T14:09:32Z (GMT). No. of bitstreams: 1 12641.pdf: 5742514 bytes, checksum: 8dbb5287cf99fe54ebb95b5b3406a880 (MD5)<br>Dissertação (Mestrado)<br>IPEN/D<br>Instituto de Pesquisas Energéticas e Nucleares - IPEN-CNEN/SP

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22

Zhai, Yun. "Studies on Structure and Property of Polymer-based Nano-composite Materials." ScholarWorks@UNO, 2013. http://scholarworks.uno.edu/td/1680.

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The mixing of polymers and nanoparticles makes it possible to give advantageous macroscopic material performance by tailoring the microstructure of composites. In this thesis, five combinations of nano inclusion and polymer matrix have been investigated. The first type of composites is titanium dioxide/ polyaniline combination. The effects of 4 different doping-acids on the microstructure, morphology, thermal stability and thermoelectric properties were discussed, showing that the sample with HCl and sulfosalicylic dual acids gave a better thermoelectric property. The second combination is tit

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23

Jones, Wendy Michele. "An investigation of the interfacial characteristics of nitinol fibers in a thermoset composite." Thesis, This resource online, 1991. http://scholar.lib.vt.edu/theses/available/etd-12302008-063746/.

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24

Sand, Sara Catherine. "TiO2/CNT Composite Electrodes in Dye-Sensitized Solar Cell Electrodes." Ohio University Honors Tutorial College / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=ouhonors1492721176795399.

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25

Onyegbule, Nkele. "Composite low temperate hydrogen storage material on the basis of iron-titanium alloy." Thesis, University of the Western Cape, 2006. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_6344_1242888003.

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<p>It is widely believed that hydrogen will, within a few years, become the means of storing and transporting energy. The reason is the depletion of hydrocarbons and the relatively facile production of hydrogen from various renewable sources of energy. Hydrogen can be combusted in an efficient way in a fuel cell with water as emission product. The overall goal of the project was to deevlop the knowledge base for solid-state hydrogen storage technology suitable for stationary and mobile applications. The aim of this research was to develop a novel composite hydrogen storage material with high w

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26

Lindstrom, Mathias E. V. "Generation Of A Novel TiO ₂ - Composite – A Feasibility Study." Oxford, Ohio : Miami University, 2002. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=miami1026937037.

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Thesis (M.S.)--Miami University, Dept. of Paper Science and Engineering, 2002.<br>Title from first page of PDF document. Document formatted into pages; contains vii, 107 p. : ill. Includes bibliographical references (p. 73-75).

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27

Shah, Mohammadi Maziar. "Silicon, iron and titanium doped calcium phosphate-based glass reinforced biodegradable polyester composites as bone analogous materials." Thesis, McGill University, 2012. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=107830.

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Bone defects resulting from disease or traumatic injury is a major health care problem worldwide. Tissue engineering offers an alternative approach to repair and regenerate bone through the use of a cell-scaffold construct. The scaffold should be biodegradable, biocompatible, porous with an open pore structure, and should be able to withstand the applied forces. Phosphate-based glasses (PGs) may be used as reinforcing agents in degradable composites since their degradation can be predicted and controlled through their chemistry. This doctoral dissertation describes the development and evaluati

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28

Saal, Sheldon C. "The development of an active surface using shape memory alloys." Thesis, Cape Peninsula University of Technology, 2006. http://hdl.handle.net/20.500.11838/1292.

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This thesis work was conducted in the Department of Mechanical Engineering at the Cape Peninsula University of Technology (CPUT) and was submitted towards the partial fulfilment of the Masters Degree in Technology: Mechanical Engineering.<br>Recent years have witnessed a tremendous growth and significant advances in “smart” composites and “smart” composite structures. These smart composites integrate active elements such as sensors and actuators into a host structure to create improved or new functionalities through a clever choice of the active elements and/or a proper design of the st

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29

Murador, Filho Aureo [UNESP]. "Síntese e caracterização de ZnO/TiO2 nanoestruturado." Universidade Estadual Paulista (UNESP), 2012. http://hdl.handle.net/11449/99674.

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Made available in DSpace on 2014-06-11T19:30:18Z (GMT). No. of bitstreams: 0 Previous issue date: 2012-10-19Bitstream added on 2014-06-13T19:39:42Z : No. of bitstreams: 1 muradorfilho_a_me_bauru.pdf: 1523059 bytes, checksum: b7492203fa42c21510e2cb2a14614f56 (MD5)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>O campo dos nanomateriais tem se expandido enormemente nas últimas décadas principalmente devido às suas propriedades especiais. As experiências descritas na literatura em grande gama de aplicações mostram propriedades elétricas, magnéticas, ópticas e outras,

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Murador, Filho Aureo. "Síntese e caracterização de ZnO/TiO2 nanoestruturado /." Bauru : [s.n.], 2012. http://hdl.handle.net/11449/99674.

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Orientador: Dayse Iara dos Santos<br>Banca: Alejandra Hortencia Miranda González<br>Banca: Marcela Mohallem Oliveira<br>Resumo: O campo dos nanomateriais tem se expandido enormemente nas últimas décadas principalmente devido às suas propriedades especiais. As experiências descritas na literatura em grande gama de aplicações mostram propriedades elétricas, magnéticas, ópticas e outras, extremamente aperfeiçoadas com relação aos sisstemas macroscópios. A ciência e tecnologia trabalham atualmente com inúmeras técnicas químicas para a obtenção de óxidos e dentre elas destaca-se o Método Poliol por

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31

Colclough, Anthony Finbar. "The indentation and erosion behaviour of a silicon carbide and a silicon carbide-titanium diboride composite." Thesis, University of Surrey, 1994. http://epubs.surrey.ac.uk/843564/.

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The indentation behaviour and erosion properties of two commercially available ceramic materials, a silicon carbide (Hexoloy SA) and silicon carbide-titanium diboride composite (Hexoloy ST) have been investigated over a range of experimental conditions. The microstructure of both materials has been examined using reflected light and scanning electron microscopy. Hexoloy SA is a single phase material with a grain size typically ranging from 4 to 8 mum, while Hexoloy ST is a two phase particulate composite, containing about 16 vol% of discrete titanium diboride particles in a silicon carbide mat

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32

Gireesh, Guruprasad. "INFLUENCE OF PROCESSING VARIABLES ON MICROSTRUCTURE DEVELOPMENT AND HARDNESS OF BULK SAMPLES OF TWO NOVEL CERAMICS PREPARED BY PLASMA PRESSURE COMPACTION." University of Akron / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=akron1144246756.

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33

Coutinho, Cecil A. "Multi-functional composite materials for catalysis and chemical mechanical planarization." [Tampa, Fla] : University of South Florida, 2009. http://purl.fcla.edu/usf/dc/et/SFE0002980.

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34

Joesbury, Adam Michael. "New approaches to composite metal joining." Thesis, Cranfield University, 2015. http://dspace.lib.cranfield.ac.uk/handle/1826/10009.

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This thesis explores new methods for achieving load-carrying joints between the dissimilar materials of continuous fibre reinforced polymer matrix composites and structural metals. The new composite-to-metal joining methods investigated in this work exploit the metal-to-metal joining techniques of arc micro-welding, resistance spot welding, and metal filler brazing, to form novel micro-architectured metal adherends that can be used for enhanced composite-to-metal joining. Through a combination of equipment instrumentation and metallographic inspection of fabricated prototype joints, understand

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35

NOGUEIRA, ALESSANDRO F. "Texturização em superfícies de titânio grau 2 irradiadas com laser de pulsos ultracurtos." reponame:Repositório Institucional do IPEN, 2015. http://repositorio.ipen.br:8080/xmlui/handle/123456789/23740.

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Submitted by Claudinei Pracidelli (cpracide@ipen.br) on 2015-06-11T17:54:41Z No. of bitstreams: 0<br>Made available in DSpace on 2015-06-11T17:54:41Z (GMT). No. of bitstreams: 0<br>Dissertação (Mestrado em Tecnologia Nuclear)<br>IPEN/D<br>Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP

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36

Patil, Amit k. "ADVANCED PROCESSING OF NICKEL-TITANIUM-GRAPHITE BASED METAL MATRIX COMPOSITES." Cleveland State University / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=csu1560298763233401.

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37

TARONI, TOMMASO TANCREDI ALESSANDRO. "SURFACE TAILORING OF OXIDE-BASED NANOSYSTEMS FOR THE DESIGN OF ADVANCED COMPOSITE MATERIALS AND SMART DEVICES." Doctoral thesis, Università degli Studi di Milano, 2021. http://hdl.handle.net/2434/828945.

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Abstract My Ph.D. project focused on the tailoring of the surface properties of oxide substrates for the preparation of advanced composite materials and devices. The initial focus of my research activity was the surface modification of halloysite nanotubes (HNT), a natural material with unique structural features. I then extended my investigation to other oxides (titanium dioxide, TiO2, and Superparamagnetic Iron Oxide Nanoparticles, SPION), applying the surface modification approaches developed for HNT substrates. The resulting oxide-based hybrid systems showed promising properties as stim

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Gomide, Viviane Silva. "Desenvolvimento e caracterização mecanica de compositos hidroxiapatita-zirconia, hidroxiapatita-alumina e hidroxiapatita-titania para fins biomedicos." [s.n.], 2005. http://repositorio.unicamp.br/jspui/handle/REPOSIP/263377.

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Orientador: Cecilia Amelia de Carvalho Zavaglia<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia mecanica<br>Made available in DSpace on 2018-08-04T10:23:14Z (GMT). No. of bitstreams: 1 Gomide_VivianeSilva_M.pdf: 10916166 bytes, checksum: 3d319a5e8b56700e5844bc42e9b8d18f (MD5) Previous issue date: 2005<br>Resumo: Existe uma crescente demanda de materiais que possibilitam a remodelação e reconstrução de partes ósseas. A indicação de biomateriais para reconstrução dos defeitos cranianos depois do trauma, tumor ou infecção, ocorre devido a razões estéticas

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REIS, SIGNO T. dos. "Caracterizacao eletrica dos compositos zirconia-niobio e zirconia-titanio." reponame:Repositório Institucional do IPEN, 1993. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10349.

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TONELLO, KAROLINA P. dos S. "Compósitos de alumina com adições de NbC, TaC e TiC para aplicação em ferramentas de corte." reponame:Repositório Institucional do IPEN, 2013. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10206.

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Myers, Kyle M. "Investigation of Novel Precursor Routes for Incorporation of Titanium Alloys and Nano-Sized Features into Ceramic-Metallic Composites Formed via the TCON Process." Youngstown State University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1365507702.

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MATOS, BRUNO R. de. "Relação morfologia-propriedades elétricas de eletrólitos compósitos de Nafion para célula a combustível de alta temperatura." reponame:Repositório Institucional do IPEN, 2012. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10175.

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Léonard, Pauline. "Sustainability assessment of composites in aero-engine components." Thesis, Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-75369.

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Environmental issues such as climate change are leading to important sustainability challenges in the aerospace industry. Composites are light materials that are extensively used to replace metals and reduce the aircraft weight, the goal being to decrease the fuel consumption in flight and limit the emission of greenhouse gases. However, these high performance materials are associated with a complex supply chain including energy-consuming processes. Most of the decommissioned composite products are currently landfilled and nothing proves that the weight reduction allowed by these materials com

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44

Rey, Thierry. "Contribution to the elaboration, experimentation and modeling of architectured shape memory alloy Nickel-Titanium/silicone rubber composites." Thesis, Grenoble, 2014. http://www.theses.fr/2014GRENI105.

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Les alliages à mémoire de forme Nickel-Titane sont connus pour leurs propriétés de superélasticité associées à une transformation martensitique élastique, de ferroélasticité liées à la réorientation de variantes de martensite et enfin de mémoire de forme. Les propriétés des matériaux architecturés NiTi, tels que des tricots, des matériaux cellulaires,… dépendent de celles de l'alliage NiTi constituant et de la structure géométrique. L'étude porte sur des matériaux architecturés composites constitués par des matériaux architecturés NiTi saturés par des élastomères silicones. De tels matériaux p

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Dias, Hércules Bezerra. "Síntese e caracterização de nanopartículas de ZnO e TiO2 dopadas com Ag para aplicação em materiais dentários." Universidade de São Paulo, 2014. http://www.teses.usp.br/teses/disponiveis/18/18158/tde-14012015-151052/.

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Resinas compostas comumente utilizadas em restaurações, anteriores e posteriores, resultam em maior acúmulo de biofilme bacteriano do que outros materiais restauradores, o que contribui para a formação de cáries secundárias e levam à falha das restaurações. Métodos para inibir a formação do biofilme sobre materiais restauradores dentais vêm sendo estudados há décadas e a inserção de nanopartículas (NPs) representa o que há de mais avançado nos estudos de formulação de materiais dentários antibacterianos. A literatura recente relata que resinas compostas contendo NPs de óxidos metálicos, tais c

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Jesus, Jailson de. "Elaboração e caracterização de biocompósitos de hidreto de titânio/fosfato tricálcico para aplicações biomédicas." Universidade do Estado de Santa Catarina, 2011. http://tede.udesc.br/handle/handle/1793.

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Made available in DSpace on 2016-12-08T17:19:39Z (GMT). No. of bitstreams: 1 Elementos pre- textuais - 1.pdf: 497356 bytes, checksum: 15c602a1a4e51ba799f685f16d7540ad (MD5) Previous issue date: 2011-07-22<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>Titanium is one of the most used biomateriais in manufacturing dental implants, especially titanium grade 4. However, titanium is a bioinert material, i.e. the interface between titaiiiun-i and host bone is a simple interlocking bonding, which can iead to the loosening ofthe implant and the eventual failure of the implantatio

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Courleux, Alice. "Physico-chimie des échanges matrice/renfort dans un matériau composite acier/TiC." Phd thesis, Université Claude Bernard - Lyon I, 2011. http://tel.archives-ouvertes.fr/tel-00642978.

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Un composite à matrice métallique et à renfort particulaire de carbure de titane (25vol.%) produit par la société Mecachrome par métallurgie des poudres est l'objet de cette étude. Le process industriel suit trois étapes : broyage à haute énergie des poudres d'acier et de carbure de titane (TiC) ; consolidation de la poudre composite par extrusion ou consolidation isostatique à chaud (HIP) ; traitements thermiques d'austénitisation. Les principales évolutions concernent la taille de particule, la taille de cristallite, le paramètre de maille et la composition chimique du renfort TiC. Dans cett

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SILVA, PAULO S. M. da. "Projeto, construção e testes de um sistema de medidas elétricas e estudo de compósitos de zircônia-ítria e nitreto de titânio." reponame:Repositório Institucional do IPEN, 2015. http://repositorio.ipen.br:8080/xmlui/handle/123456789/25318.

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Submitted by Claudinei Pracidelli (cpracide@ipen.br) on 2015-12-17T09:05:05Z No. of bitstreams: 0<br>Made available in DSpace on 2015-12-17T09:05:05Z (GMT). No. of bitstreams: 0<br>Dissertação (Mestrado em Tecnologia Nuclear)<br>IPEN/D<br>Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP

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Secondi, Jacques. "Composites nanocristallins céramique-métal préparés par broyage réactif d'alliages précurseurs." Grenoble INPG, 1994. http://www.theses.fr/1994INPG0044.

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L'objectif de cette these etait de developper des composites ceramique-metal nanocristallins obtenus durant le broyage par reaction entre un alliage precurseur et l'atmosphere de broyage. On trouvera en premier lieu un rappel sur les technologies du broyage et leurs utilisations, ainsi qu'une etude du fonctionnement du broyeur vibrant. Nous etudions ensuite la premiere etape du broyage, qui genere une nanocristallisation du broyat. La formation de joints de grains pendant les impacts est modelisee en terme de puissance et comparee avec la puissance dissipee par deformation plastique. Ensuite,

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Mereib, Diaa. "Fabrication et caractérisation des matériaux composites lamellaires à matrice Ti et TA6V." Thesis, Bordeaux, 2018. http://www.theses.fr/2018BORD0025/document.

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Apprenant de la nature, les architectures spécifiques de certains organismes vivants sont devenues l'une des idées dominantes dans le développement de nouvelles générations de matériaux synthétiques. Dans cette optique, la structure lamellaire de la nacre peut servir de modèle pour la fabrication de nouveaux matériaux composites à matrices métalliques. Un nouveau procédé de métallurgie des poudres, appelée métallurgie des poudres « plaquettes » (FPM), a ainsi été développée pour fabriquer des matériaux composites à matrice métallique à structure lamellaire.L’objectif de ce travail de thèse est

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