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.
Results
Showing 1 to 20 of 26666 for “"Materials"”.
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Evaluation of environmental materials as thermal witness materials
New and complex energetic materials are under development for achieving tunable pyrotechnical events for applications such as neutralization of biological weapons, bunker busters and many others. To guide the development of hybrid materials, the pyrotechnical environment they produce requires …
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Specious Materials
… confusing. This thesis proposes to see fake materials, not as an ethical problem (the betrayal of the classical modernism paradigm of “truth to the materials”) or ready-made industrial products made for their economic or performance benefits, but instead, as contemporary mediums that blend …
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Materials science appraisal of recycled construction materials for roadways
This thesis reports on a materials science appraisal for recycled construction materials in roadways, that supports engineering decision-making. Inconsistent performance criteria for roadway materials and the variable nature of material source have prompted the need for this research. The aim of …
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CxNy-materials from supramolecular precursors for “All-Carbon” composite materials
Among modern functional materials, the class of nitrogen-containing carbons combines non-toxicity and sustainability with outstanding properties. The versatility of this materials class is based on the opportunity to tune electronic and catalytic properties via the nitrogen content and –motifs: …
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Polymer Gradient Materials
… of longitudinal polymer gradient materials (PGMs). The inspiration for this work comes from nature: mussel byssus threads are soft-hard gradient biomaterials. These gradient threads are formed by a polyaddition process, show unique mechanical properties and demonstrate how nature …
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DISORDER IN MATERIALS
… study the heat capacity of polymeric electrolyte materials using adiabatic calorimetry and other techniques, in order to obtain more information about their structure and conduction. In addition, extended x-ray absorption fine structure (BXAFS) was to be used to probe the local structural changes …
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Hazardous materials database
… dismantling of a retired object many hazardous materials are released. Disposal of hazardous materials also need to comply with various federal regulations. Agencies like Occupational Safety and Health Administration (OSHA) and the Environmental Protection Agency (EPA) set these safety …
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Ionothermal carbon materials
… fossil-independent energy economy. Porous carbon materials play a major role in many energy-related devices. Among different characteristics, distinct porosity features, e.g., specific surface area (SSA), total pore volume (TPV), and the pore size distribution (PSD), are important to maximize the …
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Nanostructured ferroelectric materials
Nanostructured materials are central to the evolution of future electronics and information technologies. Ferroelectrics have already been established as a dominant branch in the electronics sector because of their diverse application range such as ferroelectric memories, ferroelectric tunnel …
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Advanced Ecocomposites Materials
… work of the thesis. In chapter fifth the materials and methods used are firstly presented followed by the discussion on the results obtained. The research work performed during the PhD was focused on the development of novel eco-compatible thermoplastic composites. The experimental work …
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Electronic digital materials
Digital materials are constructions assembled from a small number of types of discrete building blocks; they represent a new way of building functional, multi-material, three-dimensional structures. In this thesis, I focus on the construction of microelectronics from vertically assemble-able …
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Voltage programmable materials
The physical and chemical properties of nanoscale materials derive largely from structure and composition at interfaces. The possibility to electrically modify these interfacial characteristics would provide a powerful means to control material properties. Of particular recent scientific and …
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Emotive Materials : towards a shared language of the meaning of materials
… more tools to bring their visions to life. As materials begin to evolve and change shape, having a set of rules with which to evaluate, interpret, and design them will become increasingly important. In moving towards tools that allow us to design and create our own materials these the two …
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Improving Existing and Discovering New Hydrogen Storage Materials Using Computational Materials Modeling
Alternative energy is currently one of the most active research areas in science. Lessening our dependence on fossil fuels has economic, environmental, and political benefits. With almost one-third of US energy going into transportation, a large piece of the puzzle is developing an alternative …
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Elastic properties of architectured cellular materials and biological materials (equine hoof wall)
… main topics: the mechanical behavior of cellular materials based on triply periodic minimal surfaces (TPMS) and the analytical modeling of the elastic response of a horse hoof wall. TPMS structures have smooth surfaces with no sharp corners making them promising candidates for superior mechanical …
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Materials of interaction : responsive materials in the design of transformable interactive surfaces
Materials that embody computational properties are reshaping the ways in which we design, interact and communicate. This thesis looks at the topic of form transformation and how to bring the programmability and versatility of digital forms into the physical world. The focus is placed on the …
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Superstructures of Magnetic Materials
… reports on the results of studies on magnetic materials as the ternary carbide SmNiC2 and the perovskite-related layered compounds La5(Ti0.80Fe0.20)5O17 and La6(Ti0.67Fe0.33)6O20. Studies were performed with single-crystal X-ray diffraction and subsequently refinement and analysis of the …
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Materials are my Conduits
… much as it is a trajectory—of a mother (me), of materials and matter, and of processes of making and becoming. It is a very long and also very short story about the genesis of my artistic practice and my material wanderings across fiber, sculpture, drawing, painting, and installation. I move …
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High throughput optical materials
… silica and sodium hydroxide solution as starting materials was explored using hydrothermal methods (200°C), and reactions conditions were optimised for the formation of analcime, sodalite, zeolite A and faujasite. All materials were characterised using powder x-ray diffraction.<br/>The thermal …
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