Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 14 of 14 for “"Particulate Composites"”.
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Computational Prediction of Conductivities of Disk-Shaped Particulate Composites
… function have potential applications in advanced composites with embedded graphene nanoplatelets.</p>
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Multifunctional Nanocomposites and Particulate Composites with Nanocomposite Binders for Deformation and Damage Sensing
… starting from carbon nanotube (CNT) based nanocomposites to particulate composites with nanocomposite binder/matrix materials, i.e. hybrid particulate composites to investigate deformation and damage sensing capabilities of inherently sensing materials and structures through their …
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Analysis of the thermal conductivity of epoxy and reaction bonded silicon nitride matrix particulate composites
Thesis (B.S.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1996.
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Tribology in coal-fired power plants
… of alumina ceramics and silicon carbide (SiC) particulate composites were evaluated in terms of their erosive and abrasive wear behaviour under different conditions, with the aim of reducing wear damage in power plants. The alumina ceramics tested ranged in composition from 90% alumina to 97% …
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Multiscale Analysis of Failure in Heterogeneous Solids Under Dynamic Loading
… thermomechanical deformations of heat-conducting particulate composites comprised of circular tungsten particulates in nickel-iron matrix are analyzed using the finite element method to delineate the initiation and propagation of brittle/ductile failures by the nodal release technique. Each …
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The Ballistic Response of Particle-Filled Elastomeric Systems
… ballistic response of particle-filled polymer composites in an effort to link the bulk material behaviour to variations in the microstructure. The multiphase systems under investigation consist of micron-sized ceramic powders integrated within a siloxane elastomer to create flexible particulate …
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Particulate composite material internal deformation measurements using x-ray microtomography and digital volume correlation
Typical particulate composites used in engineering applications consist of complex microstructures with a range of particulate sizes and often high particulate volume fractions (65%-95%). Examples of these are, explosives and rocket propellants for defense and aerospace applications, asphalt …
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Lead - Free Piezoelectric Based Magnetoelectric Composites
… components based magnetoelectric (ME) composites that exhibit self-bias characteristics and high amplitude of ME coupling. The secondary goal of this thesis was to lay down the foundation for nanoscale and flexible magnetoelectric devices. Self-biased ME effect was investigated in …
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Mechanical properties of energetic composites
… research into the mechanical response of particulate polymer composites, both energetic and inert, that contributes towards the wider understanding of deformation and damage mechanisms in Polymer Bonded Explosive (PBXs). Specifically, high and low strain-rate compression experiments were …
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Physical mechanisms controlling the pre-failure stress-strain behavior of frozen sand
… was conducted on a number of ice-saturated particulate systems to investigate the dependency of these two parameters on volume fraction, stress level, strain rate, and temperature, as well as on particle size, stiffness, roughness, shape, and interfacial bond strength. Theories for composite …
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Nanocomposite Coating Mechanics via Piezospectroscopy
… associated with the observed PS response of nanocomposites and their coatings has been applied to give material property measurements, providing an understanding of particle reinforced composite behavior. Understanding the nanoparticle-coating-substrate mechanics is essential to interpreting the …
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Multiscale design of nonlinear materials using a shape optimization scheme based on an interface-enriched GFEM
… we develop and implement a method to design particulate composites at the mesoscale using a shape optimization scheme to minimize or maximize a nonlinear cost function at the macroscale while satisfying a set of constraints associated, for example, with the volume fraction of inclusions or …
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Magnetoelectric laminated composites and devices
… (ME) effects have been found in laminated composites of piezoelectric and magnetostrictive layers. Compared to ME single phase and two phase particulate composites, laminated composites have much higher ME coefficients and are also readily fabricated. In this thesis, I have investigated ME …
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Fabrication of reliable, self-biased and nonlinear magnetoelectric composites and their applications
… sensors. Moreover, the ME effect in laminate composites is known to be much higher than in single phase and particulate composites due to combination of the magnetostrictive and piezoelectric effects in the individual layers. Given that the highest ME coefficient have been found in …