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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 20 of 75 for “"materials processing"”.
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Ultrasoft magnetic materials processing and characterisation
… characterise and test post-processed magnetic materials used for in-package or on-chip devices such as micro-inductors. The electrochemical post-processing has been shown to improve the magnetic properties of the NiFe alloy. The aim of this research was further to test this process on alloys …
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Digital Fibers: Materials, Processing, and Information
… have progressed dramatically, one can argue that materials have not been tailored or designed to capture the spectra of digital capabilities out there. In this thesis, I seek to synergize digital tools with fiber materials towards constructing devices of new form factors and fibers with digital …
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Bioinspired mineralization in hydrogels for sustainable materials processing
Biominerals have been widely studied due to their unique mechanical properties, afforded by their inorganic-organic composite structure and well-controlled growth in macromolecular environments. More recently, growing concerns over climate change and environmental sustainability and the emerging …
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Transport in Low Pressure Plasma Reactors for Materials Processing
"Ionized metal physical vapor deposition (IMPVD) at pressures of a few mTorr is being increasingly used to deposit diffusion barriers and Cu seed layers into high aspect ratio trenches. Understanding plasma-substrate interactions will be critical to designing the next generation processes as the …
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Thermocapillary convection in laser melted pools during materials processing
… (compared to conduction models) for low Prandtl materials (Steel $\sim$0.1, Aluminium $\sim$0.01) due to the redistribution of heat by thermocapillary induced convection. Surface active agents (elements which modify the local values of surface tension) are shown to dramatically influence the …
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A Safeguards Design Strategy for Domestic Nuclear Materials Processing Facilities.
… the protection requirements for nuclear materials within the U.S. as well as abroad.</p><p>Current Nuclear Safeguards regulations contain minimal prescriptive requirements relating to the design of new production facilities. Project management and engineering design guides require that …
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Modeling of and experiments on electromagnetic levitation for materials processing
… important experimental technique for research in materials processing. It has been applied for many years to a wide variety of research areas, including studies of nucleation and growth, phase selection, reaction kinetics, and thermophysical property measurements. However, the design of these …
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Micro, meso and macro materials processing using high-speed liquid projectiles
… research is developmentof aknowledge base of materials processing by the impact of high-speed liquid projectiles. The work involved experimental study of generation and applications of high-speed liquid projectiles. The projectiles were generated by the launchers, which used gunpowder as an …
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Approximate solution of melt depth inside titanium during laser materials processing
… of 5 l/min. The effects of some important laser processing parameters on the melt depth are discussed. The adapted model approximated that the melt depth increases with both increasing laser power and increasing pulse duration. Furthermore, the experimental results revealed that it is the …
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Rapidly-Deployable Materials Processing Approaches for Energy Applications and Chemical Separations
… and save energy worldwide. These methods rely on materials advancements, but due to the short timescales available to actually implement solutions, will require rapid deployment that should leverage existing infrastructure to make a timely and sizeable impact. My thesis focuses on a few case …
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Influences on nanocomposite structural performance: experimental study on materials processing and bonding
… amount of effort in adopting these nano-materials to structurally enhance<br/>an epoxy composite matrix. Though considered very promising many issues such as the<br/>dispersion and the bonding interface have been identified and there remains still no<br/>guaranteed structural …
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Materials Processing Towards Development of Rapid Prototyping Technology for Manufacturing Biomedical Implants
Sintering of gel-cast calcium hydroxyapatite was studied by means of thermal analysis, XRD, mechanical testing, and SEM, both for sub-micron and the agglomerated powder type. Transformation temperatures of tri-calcium phosphate upon cooling were determined as 1475°C for (alpha' to alpha, …
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Physical and numerical simulation of turbulent recirculating flows in materials processing operations
… Institute of Technology, Dept. of Materials Science and Engineering, 1984.
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Biologically Inspired Optimisation Algorithms for Transparent Knowledge Extraction Allied to Engineering Materials Processing
… predictions of the mechanical properties of materials, which on the one hand can help metallurgists to further understand the underlying mechanisms of alloys processing, and on the other hand will automate and simplify their design. Charpy toughness (impact energy) as a special data set …
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Femtosecond Laser Interactions In The Condensed Phase: Application to Transient Absorption and Materials Processing
Solid State laser systems are now capable of generating temporal pulses of sub-10 fs duration and facilitate the study of ultrafast phenomena in chemical, biological and physical systems. The high field intensities inherent in these pulses, means that highly non-linear processes may be observed. …
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Consequences of Mode Structure on Plasma Parameters in Electron Cyclotron Resonance Sources used for Materials Processing
Made available in DSpace on 2017-07-06T18:49:02Z (GMT). No. of bitstreams: 3 Kinder_Ronald_L_MS.pdf: 55983630 bytes, checksum: 14b73a0c7b164993c74cc15004434846 (MD5) Kinder_Ronald_L_MS_ABS.pdf: 637320 bytes, checksum: c1708001642b4606ece902c468dd5af2 (MD5) license.txt: 4813 bytes, checksum: …
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Integration of photonic and passive microfluidic devices into lab-on-chip with femtosecond laser materials processing
Femtosecond laser materials processing is a powerful method for the integration of high resolution, 3D structures into Lab-On-Chip (LOC) systems. One major application of femtosecond laser materials processing is waveguide fabrication in glass via index modification. We demonstrate the ability to …
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Rescaling Capital: The Potential of Small-Scale and Mass-Produced Physical Capital in the Energy and Materials Processing Industries
… capital in fundamental infrastructure and processing industries such as energy, mining, and chemical processing, etc, over the last century suggests the prevalence of an unambiguous mantra -- "bigger-is-better." This dissertation questions some of the underlying arguments supporting this …
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Investigation of injection moulding for novel drug delivery systems. An investigation into the use of injection moulding to produce pharmaceutical dosage forms and to understand the relationship between materials, processing conditions and performance, in particular drug release and stability
… the dosage form. The nature of the polymer and processing history were the contributing factors for the dissolution of the dosage forms.
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Mechanics of Random -Fiber Networks: A Direct Simulation
… networks, and building models of composite materials processing.
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