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Dissertations / Theses on the topic 'Mechanical matrix'

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1

Gregory, Jeremy R. (Jeremy Ryan) 1976. "The role of precipitates on fiber/matrix interfaces in metal matrix composites." Thesis, Massachusetts Institute of Technology, 2000. http://hdl.handle.net/1721.1/89301.

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2

Leaity, M. A. "Mechanical properties of hybrid-matrix composite laminates." Thesis, University of Surrey, 1991. http://epubs.surrey.ac.uk/843941/.

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A laboratory scale drum winder has been designed and built for the production of pre-preg. Cross-ply hybrid matrix laminates were made from the pre-preg with glass fibres/epoxy resin in the longitudinal plies and glass fibres/epoxy resin-urethane elastomer in the transverse ply. The addition of urethane to the matrix in the transverse plies alone increased the applied strains necessary for the initiation and development of transverse cracking during the extension of cross-ply laminates. This resulted in a smaller reduction in laminate stiffness (due to damage) at a prescribed level of strain.
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3

Parrini, Lorenzo. "Characterization of metal matrix composites by mechanical spectroscopy /." [S.l.] : [s.n.], 1995. http://library.epfl.ch/theses/?nr=1420.

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4

Wain, Nick. "Oxide matrix nanocomposites : residual stresses and mechanical properties." Thesis, University of Oxford, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.410715.

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5

Clements, Kristen Mary. "Mechanical disruption of articular cartilage cells and matrix." Thesis, University of Bristol, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.340082.

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6

Grosskopf, Paul P. "Mechanical behavior of a ceramic matrix composite material." Thesis, Virginia Tech, 1990. http://hdl.handle.net/10919/42214.

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<p>Monolithic ceramic materials have been used in industry for hundreds of years. These materials have proven their usefulness in many applications, yet, their potential for critical structural applications is limited. The existence of an imperfection in a monolithic ceramic on the order of several microns in size may be critical, resulting in catastrophic failure. To overcome this extreme sensitivity to sman material imperfections, reinforced ceramic materials have been developed. A ceramic matrix which has been reinforced with continuous fibers is not only less sensitive to microscopic flaws
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7

Tao, Xingfu. "Fabrication and mechanical properties of metal matrix syntactic foams." Thesis, University of Liverpool, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.548810.

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8

Baneyx, Gretchen W. "The role of mechanical tension in fibronectin matrix assembly /." Thesis, Connect to this title online; UW restricted, 2001. http://hdl.handle.net/1773/8059.

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9

Moravčík, Igor. "Metal Matrix Composites Prepared by Powder Metallurgy Route." Doctoral thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2017. http://www.nusl.cz/ntk/nusl-367507.

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Ve všeobecnosti, poznatky o design slitin, jejich výrobě a výběru legujúcich prvků sú omezené na slitiny s jedním základním prvkem. Tento fakt ale výrazně limituje možnosti a volnost výběru prvků pro dosáhnuti speciálních vlastností a mikrostruktur. V poslední dekádě se ukázalo, že materiálová věda a inženýrství nejsou ještě zdaleka prozkoumané v důsledku objevu nové třídy materiálů nazvané vysoko entropické slitiny (HEA high entropy alloys). Jejich objev upoutal pozornost vědecké komunity. Základní koncept pro jejich design je, že namísto jednoho, nebo dvou základních prvků obsahují minimálně
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10

Chia, Julian Yan Hon. "A micromechanics-based continuum damage mechanics approach to the mechanical behaviour of brittle matrix composites." Thesis, University of Glasgow, 2002. http://theses.gla.ac.uk/2856/.

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The thesis describes the development of a new continuum damage mechanics (hereafter, CDM) model for the deformation and failure of brittle matrix composites reinforced with continuous fibres. The CDM model is valid over sizes scales large compared to the spacing of the fibres and the dimensions of the damage. The composite is allowed to sustain damage in the form of matrix micro-cracking, shear delamination, tensile delamination and fibre failure. The constitutive equations are developed by decomposing the composite compliance into terms attributable to the fibre and matrix, and modelling the
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11

Yang, Stallion E. (Stallion Ease) 1977. "Rapid contour determination using a floating pin matrix." Thesis, Massachusetts Institute of Technology, 2000. http://hdl.handle.net/1721.1/31093.

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Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2000.<br>Includes bibliographical references (leaf 21).<br>The exponential growth of computer and information technologies have drastically simplified the transfer of geometric information from the minds of designers to physical embodiments of design concepts. For example, it is now possible for designers to transform a complex design idea into a part or model on his desk within a few hours with the use of CAD software and CNC machining. This reduction in thought-to- part time begs the question of how the pa
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12

Walsh, Conor James. "Image-guided robots for dot-matrix tumor ablation." Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/61613.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2010.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 203-208).<br>Advances in medical imaging now provides detailed images of solid tumors inside the body and miniaturized energy delivery systems enable tumor destruction through local heating powered by a thin electrode. However, the use of thermal ablation as a first line of treatment is limited due to the difficulty in accurately matching a desired treatment and a limited region of active heating around an electrode.
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13

Yasuda, Koji. "Direct determination of the quantum-mechanical density matrix: Parquet theory." American Physical Society, 1999. http://hdl.handle.net/2237/8741.

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14

Blacklock, Matthew. "Thermo-Mechanical coupling of the properties of ceramic matrix composites." Thesis, University of Manchester, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.511847.

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15

Bakar, Azhar Abu. "Micro- and macro-mechanical properties in advanced polymer matrix composites." Thesis, University of Sheffield, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.301430.

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16

Delaine-Smith, Robin M. "Mechanical and physical guidance of osteogenic differentiation and matrix production." Thesis, University of Sheffield, 2013. http://etheses.whiterose.ac.uk/3691/.

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Summary Tissue engineering and regenerative medicine strategies until now have mostly relied on static culture using chemical stimulation to induce cell differentiation. However, these strategies neglect the dynamic environment in which cells reside in the body where they are surrounded by a chemically and physically well-defined threedimensional (3D) topography. Not only does this environment control cellular differentiation, but its structure also determines the mechanical function of that tissue. Alongside physical cues, external mechanical forces play an essential role in the homeostasis o
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17

Tavakoli, Nia Hadi. "Nanomechanics of cartilage at the matrix and molecular levels." Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/81709.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2013.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references.<br>Cartilage, as well as many soft connective tissues, functions mechanically across a wide spectrum of daily loading frequencies (time scales), from <1 Hz in slow activities such as walking, to 1000 Hz for high-rate activities such as jumping and impact sports. A major mechanism underlying the macroscale mechanical functions of cartilage is known to be poroelasticity, based on previous theoretical and experimental studi
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18

Gregory, Jeremy R. (Jeremy Ryan) 1976. "Relating polymer matrix composite delamination behavior to constituent properties." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/18061.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2004.<br>Includes bibliographical references (p. 183-194).<br>Developing predictive capabilities of composite material behavior from constituent properties is an important component of accelerating materials insertion. Many models exist that accomplish this objective for a range of material properties, but no such method is available for delamination properties. This thesis explores the issues associated with predicting polymer matrix composite Mode I delamination behavior from constituent properties by ex
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19

O'Rourke, Jane. "Microstructure and mechanical properties of fibre-reinforced heat-treatable aluminium alloys." Thesis, University of Bath, 1995. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.261348.

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20

Li, Wei. "FABRICATION OF ALUMINUM MATRIX PARTICULATE COMPOSITES BY COMPACTION AND SINTERING." MSSTATE, 2008. http://sun.library.msstate.edu/ETD-db/theses/available/etd-11062008-150028/.

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With the possession of extremely broad unique properties, particulate reinforced aluminum composites are very attractive in diverse applications. Aluminum matrix particulate composites are challenging to work with. A single pressing and sintering process was used to fabricate the reinforced aluminum composites in this study. The key advantage of this method is its comparative low expense. However, abrasive reinforcement powders can lead to shorter tool life. To study the fundamental wear mechanisms during the die compaction process, a new method was developed and combined with experiments to q
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21

Lemieux, Stéphane. "Thermal expansion study of particulate reinforced aluminum matrix composite materials." Thesis, McGill University, 1997. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=20505.

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The thermal expansion behavior of Duralcan particle reinforced composite materials was investigated. Initially, the temperature dependence of the CTE of Al-Si alloy containing SiC reinforcement particles ranging from 10 to 40% in volume was experimentally examined and compared with standard theoretical model predictions. In addition, the effects of reinforcement volume fraction and nature of the composite constituents during thermal cycling between 25 and 350ºC were determined for Al-Si alloy containing between 10 and 40% SiC particles and Al alloy having 40% alumina in volume. Accurate experi
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22

Alizadehyazdi, Vahid. "Stability of Discrete Time Transfer Matrix Method (DT-TMM)." Thesis, Southern Illinois University at Edwardsville, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10128867.

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<p> Large dynamic systems and flexible structures like long robot links with many degree of freedoms are always challenging issues for engineers to model and control. These structures can be modeled with some methods like modal superposition and numerical integration. </p><p> Transfer Matrix Method (TMM) is another method that can be used to model large systems with a huge number of subsystems and flexible structures.By using Transfer matrix method, the size of matrix reduces. Having smaller matrix sizes helps us to have less computation and fast answer. Also, this method is very flexible, b
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23

Moravčíková, de Almeida Gouvea Larissa. "Metal Matrix Composites Prepared by Powder Metallurgy Route." Doctoral thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-445180.

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Vývoj nových materiálů pro součásti v moderních technologiích vystavené extrémním podmínkám má v současné době rostoucí význam. Děje se tak v důsledku neustále se zvyšujících požadavků průmyslových odvětví na lepší konstrukční vlastnosti nosných materiálů. Ve světle těchto faktů si tato studie klade za cíl posoudit nové složení slitin s vysokou entropií, které se vyznačují vysokým aplikačním potenciálem pro kritické aplikace. Slitiny jsou připravovány práškovou metalurgií, t.j. kombinací mechanického legování a slinování v pevné fázi. Pro účely srovnávaní vlastností jsou vybrané kompozice vyro
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24

Forsythe, Kristine M. "Mechanical behavior of transversely-loaded titanium matrix composite at elevated temperatures." Thesis, Georgia Institute of Technology, 2000. http://hdl.handle.net/1853/17028.

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25

Pasternyk, Stephanie Marika 1983. "Effect of extracellular matrix and mechanical strain on airway smooth muscle." Thesis, McGill University, 2009. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=111560.

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Airway remodeling in asthma includes alterations in extracellular matrix and airway smooth muscle (ASM) mass. For this study, ASM cells were obtained from rats that were challenged with ovalbumin (OVA) or saline (SAL) as control. OVA and SAL cells were seeded on plastic control (PC) or on plates coated with decorin or biglycan. OVA cell number was significantly increased versus SAL cells, for cells seeded on PC (48 h). A significant decrease in cell number was observed for both OVA and SAL cells seeded on decorin compared to PC cells (48 h). OVA cells, however, showed a more modest reduction i
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26

West, Grant. "Microstructure and mechanical performance of SiC/BMAS glass-ceramic matrix composite." Thesis, University of Warwick, 1997. http://wrap.warwick.ac.uk/66932/.

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A diverse range of microscopy techniques and mechanical testing methods have been used to characterize glass and glass-ceramic composites. The focus of the work has been a commercially available Barium Magnesium Aluminosilicate matrix reinforced by Tyranno SiC based yam type fibres. The mechanical behaviour has been related to the microstructure through use of models from the literature. The temperature range of study has been from room temperature to 1300°C in air. The microstructure of the BMAS(fyranno was a diphasic mixture of celsian and indialite/cordierite although the manufacturers inte
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27

Famodimu, Omotoyosi Helen. "Additive manufacturing of aluminium-metal matrix composite developed through mechanical alloying." Thesis, University of Wolverhampton, 2016. http://hdl.handle.net/2436/620337.

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Laser melting of aluminium alloy - AlSi10Mg has increasingly been used to create specialised products in aerospace and automotive applications. However, research on utilising laser melting of Aluminium matrix composites in replacing specialised parts have been slow on the uptake. This has been attributed to the complexity of the laser melting process, metal/ceramic feedstock for the process and the reaction of the feedstock material to the laser. Thus an understanding of the process, material microstructure and mechanical properties is important for its adoption as a manufacturing route of Alu
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28

Park, Conrad. "Mechanical Performance and Structure-Property Relations in6061B Aluminum Metal Matrix Composites." Case Western Reserve University School of Graduate Studies / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=case1547842396716777.

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29

Thurber, Casey Ray. "Electrodeposited Metal Matrix Composites for Enhanced Corrosion Protection and Mechanical Properties." Thesis, University of North Texas, 2016. https://digital.library.unt.edu/ark:/67531/metadc849736/.

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In the oil and gas industry, high corrosion resistance and hardness are needed to extend the lifetime of the coatings due to exposure to high stress and salt environments. Electrodeposition has become a favorable technique in synthesizing coatings because of low cost, convenience, and the ability to work at low temperatures. Electrodeposition of metal matrix composites has become popular for enhanced corrosion resistance and hardness in the oil and gas industry because of the major problems that persist with corrosion. Two major alloys of copper-nickel, 90-10 and 70-30, were evaluated for micr
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Eğilmez, Mehmet Özyüzer Lütfi. "Microstructural, electrical and mechanical properties of MgB2/Mg metal matrix composites/." [s.l.]: [s.n.], 2004. http://library.iyte.edu.tr/tezler/master/malzemebilimivemuh/T000467.pdf.

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31

Fan, Zhongyun. "Microstructure and mechanical properties of multiphase materials." Thesis, University of Surrey, 1993. http://epubs.surrey.ac.uk/776187/.

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A systematic method for quantitative characterisation of the topological properties of two-phase materials has been developed, which offers an effective way for the characterisation of twophase materials. In particular, a topological transformation has been proposed, which allows a two-phase microstructure with any grain size, grain shape and phase distribution to be transformed into a three-microstructural-element body (3-E body). It has been shown that the transformed 3·E body is mechanically equivalent along the aligned direction with the original microstructure. The Hall·Petch relation dev
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32

Abdullah, Abu. "Machining of aluminium based Metal Matrix Composite (MMC)." Thesis, University of Warwick, 1996. http://wrap.warwick.ac.uk/34661/.

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The machining of aluminium 2618 particulate reinforced Metal Matrix Composite (MMC) with 18 vol. % silicon carbide (SiC) using cemented carbide cutting tools has been undertaken. Two grades of cemented carbide inserts, uncoated K68 grade and coated KC910 grade (coated with TiC and A1203) having negative and positive rake angles (with and without chip breaker) have been used to machine this material in order to understand the machining process, tool failure modes and wear mechanisms. Turning tests in the speed range 15 - 10 m/min have been carried out at 0.2,0.4 and 0.6 mm/rev feed rates and 2
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33

Kim, Yu Shin. "Correlation Between MMP-2 and -9 Levels and Local Stresses in Arteries Using a Heterogeneous Mechanical Model." Diss., Georgia Institute of Technology, 2007. http://hdl.handle.net/1853/16134.

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The mechanical environment influences vascular smooth muscle cell (VSMC) functions related to the vascular remodeling. However, the relationships are not appropriately addressed by most mechanical models of arteries assuming homogeneity. Accounting for the effects of heterogeneity is expected to be important to our understanding of VSMC functions. We hypothesized that local stresses computed using a heterogeneous mechanical model of arteries positively correlate to the levels of matrix metalloproteinase (MMP)-2 and -9 in situ. We developed a mathematical model of an arterial wall accounting fo
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Chen, Michelle B. (Michelle Berkeley). "Engineered microvasculature platforms to study tumor-host-matrix interactions during metastatic seeding." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/109023.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Mechanical Engineering, February 2017.<br>"February 2017." Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages [86]-92).<br>Distant metastases, which result in >90% of cancer related deaths, is enabled by hematogenous dissemination of tumor cells via the circulation. In particular, tumor cell extravasation is thought to be an essential and potential rate-limiting step, as most metastases are found in the extravascular space rather than intraluminal at distant organs. However, mechanistic insigh
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35

Tang, Chao. "Modelling of Thermo-Mechanical Behaviour of Ceramic Matrix Composite Tows and Laminates." Thesis, University of Manchester, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.509397.

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36

Al-Jamal, Rehab. "The interaction between dynamic lung physiology, the extracellular matrix and mechanical strain /." Thesis, McGill University, 2001. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=37861.

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Recently, various proteoglycans (PGs) have been identified in the lung. The first objective of this thesis was to test the hypothesis that matrix glycosaminoglycans contribute to lung tissue viscoelasticity. Lung parenchymal strips were exposed to specific glycosaminoglycans-degradating enzymes to determine whether the mechanical properties of the tissue were affected. The degradation of heparan sulphate and chondroitin/dermatan sulphate glycosaminoglycans caused significant increases in energy dissipation and dynamic resistance relative to control strips. Hyaluronidase treatment did not alter
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Bielby, R. C. "Regulation of extracellular matrix turnover by mechanical stimuli in annulus fibrous cells." Thesis, University of Oxford, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.434860.

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38

Karnezis, Panos A. "Processing and mechanical properties of Al-alloy/SiC particulate metal matrix composites." Thesis, University of Oxford, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.308616.

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De, Lillo Liliana. "A matrix converter drive system for an aircraft rudder electro-mechanical actuator." Thesis, University of Nottingham, 2006. http://eprints.nottingham.ac.uk/14034/.

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The matrix converter is an attractive topology of power converter for the Aerospace Industry where factors such as the absence of electrolytic capacitors, the potentiality of increasing power density, reducing size and weight and good input power quality are fundamental. The matrix converter potential advantages offers the possibility to achieve the aim of the More Electric Aircraft research which intends to gradually re- place, from the aircraft architecture, the hydraulic power source and its infrastructure with electric power generation and a more flexible power distribution system. The pur
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Leong, Kok Hoong. "Damage accumulation in cross-ply polymer matrix composite laminates under mechanical loading." Thesis, University of Cambridge, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.241115.

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Albusalih, Dhuha F. "Microstructural and mechanical assessment of pulse-reverse plated cobalt matrix nanocomposite coatings." Thesis, University of Leicester, 2018. http://hdl.handle.net/2381/43046.

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Electrodeposited metal matrix nanocomposites (MMNCs) offer improved mechanical properties for tribological coatings. The development of nanotechnology in the last 25 years means there are now a multitude of nanoparticles, nanowires and nano-tubes available in an ever- increasing range of materials and hence the scope for new nanocopmosites coatings by electrodeposition is greater than ever, with the potential to develop a coating with functional performance equivalent to hard chrome. Recent work on pulse reverse deposition of MMNCs by Weston, et al has suggested the capability to control the c
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ElFishawy, Karim F. "Analytical and numerical modeling of the mechanical behavior of metal matrix composites /." The Ohio State University, 1998. http://rave.ohiolink.edu/etdc/view?acc_num=osu148795159550084.

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Hansen, Robert C. "Thermal and mechanical fatigue of 6061 Al - P100 Gr metal matrix composite." Thesis, Monterey, California : Naval Postgraduate School, 1990. http://handle.dtic.mil/100.2/ADA238795.

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Thesis (M.S. in Mechanical Engineering)--Naval Postgraduate School, September 1990.<br>Thesis Advisor(s): Dutta, Indranath ; Mitra, Shantanu. "September 1990." Description based on title screen as viewed on December 21, 2009. DTIC Identifier(s): Fatigue (mechanics), thermal fatigue, metal matrix composites, laminates, bending, ultimate strength, fiber reinforced composites, theses. Author(s) subject terms: Aluminum-graphite composite, bend fatigue, thermal fatigue. Includes bibliographical references (p. 64-65). Also available in print.
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Hughes, John Mark. "On the mechanical properties of bast fibre reinforced thermosetting polymer matrix composites." Thesis, Bangor University, 2000. https://research.bangor.ac.uk/portal/en/theses/on-the-mechanical-properties-of-bast-fibre-reinforced-thermosetting-polymer-matrix-composites(0fdca4e4-8d50-4a16-afd0-37d78cfb8a64).html.

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Bast fibre reinforced, unsaturated polyester matrix composites were fabricated using non-woven mats of hemp or jute fibre as reinforcement. Composites were also prepared using chopped strand mat glass fibre as reinforcement. The short-term mechanical properties of the laminates were assessed. It was observed that at equivalent fibre volume fractions the stiffness of the glass fibre reinforced material only marginally exceeded that of the two, unmodified bast fibre, reinforced materials. At equivalent fibre volume fractions, however, the strength of the glass fibre reinforced composite was foun
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Chapman, A. R. "Manufacturing method, microstructure and mechanical property relationships for a metal matrix composite." Thesis, University of Bath, 1991. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.292851.

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46

Wong, Hwan Liang Dominick. "Matrix Characteristics Influence on Mechanical Performance of Oil Palm Filler Reinforced Nanocomposite." Thesis, Curtin University, 2022. http://hdl.handle.net/20.500.11937/89495.

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In this research, degassing processes, sonication parameter, influence of nanofillers properties, and densities of the matrix were investigated. It was found that 0.3125 wt% OPEFB filler and 0.25 wt% spherical-shaped nanoparticles resulted in a nanocomposite with good dispersion and effective tensile strength. Through qualitative and quantitative analysis, it was also discovered that the matrix density greatly influences the interfacial bonding between filler and matrix. Such findings would facilitate the development of effective matrix-based nanocomposite materials.
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Fedrizzi, Anna. "Production of steel matrix composites by mechanical milling and spark plasma sintering." Doctoral thesis, Università degli studi di Trento, 2013. https://hdl.handle.net/11572/368107.

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Hot work tool steels (HWTSs) are ferrous alloys for tooling application, particularly developed to meet high toughness and good hot hardness. Increasing hardness generally leads to a decrease in toughness, therefore metal matrix composite (MMC) coatings and functionally graded materials have been proposed as a good solution for improving wear resistance. In this PhD thesis powder metallurgy has been applied for the production of particle reinforced HWTSs. Mechanical milling (MM) and mechanical alloying (MA) have been considered as suited techniques for the production of powders showing higher
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Fedrizzi, Anna. "Production of steel matrix composites by mechanical milling and spark plasma sintering." Doctoral thesis, University of Trento, 2013. http://eprints-phd.biblio.unitn.it/1025/1/Thesis_Fedrizzi.pdf.

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Hot work tool steels (HWTSs) are ferrous alloys for tooling application, particularly developed to meet high toughness and good hot hardness. Increasing hardness generally leads to a decrease in toughness, therefore metal matrix composite (MMC) coatings and functionally graded materials have been proposed as a good solution for improving wear resistance. In this PhD thesis powder metallurgy has been applied for the production of particle reinforced HWTSs. Mechanical milling (MM) and mechanical alloying (MA) have been considered as suited techniques for the production of powders showing highe
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Mummery, Paul Malcolm. "The micromechanisms of fracture in metal matrix composites." Thesis, University of Oxford, 1991. http://ora.ox.ac.uk/objects/uuid:b725a8ad-25da-4d3a-b84d-c3a8f493dd06.

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The effects of systematic variations in the size and volume fraction of reinforcing phase on the mechanical properties of and fracture processes in silicon carbide particlereinforced aluminium matrix composites have been studied. Tensile tests to failure have been performed to determine the mechanical properties of the composites. A simple model has been proposed for this behaviour. The micromechanisms of fracture have been investigated by a combination of fractographic and dynamic techniques. Matched fracture halves have been obtained from the composites and the fracture processes elucidated.
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Wong, Cho Yi. "Characterization of Fibrin Matrix Incorporated Electrospun Polycaprolactone Scaffold." VCU Scholars Compass, 2016. http://scholarscompass.vcu.edu/etd/4103.

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Abstract:
Specific objective: Guided tissue regeneration (GTR) aims to regenerate the lost attachment apparatus caused by periodontal disease through the use of a barrier membrane. For the GTR procedures to be successful, barrier membranes are required to be present at the surgical site for an extended period of time (weeks to months). Synthetic membranes have the advantage of prolonged presence in a wound site; however, they do not actively contribute to wound healing. Biologic membranes are recognized by the host tissue and participate in wound healing but have the disadvantage of early resorption. Th
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