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Showing 1 to 20 of 183 for “"material characterization"”.
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Nonlinear Microscopy for Material Characterization
… access to previously unstudied aspects of materials. By probing third order nonlinear optical signals determined by the nonlinear susceptibility chi(3), which is present in all materials, we gain insight not available by conventional linear or electron microscopy. Third-harmonic (TH) …
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Nonlinear microscopy for material characterization
… access to previously unstudied aspects of materials. By probing third order nonlinear optical signals determined by the nonlinear susceptibility (chi-3), which is present in all materials, we gain insight not available by conventional linear or electron microscopy. Third-harmonic generation …
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Baffle material characterization for Advanced LIGO
… dumps to control this scatter, but the baffle material and shape contribute some scatter as well. Careful selection of baffle material for Advanced LIGO is necessary in order to minimize baffle backscatter. Characterization of potential materials will also inform the geometry and placement of …
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Material Characterization of Insect Tracheal Tubes
… that is dependent on the unique structure and material properties of the tracheal tissue. To understand the underlying mechanics of this method of gas transport, we studied the microstructure and material properties of the primary thoracic tracheal tubes of the American cockroach (Periplaneta …
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Ultra-Wideband Wireless Channels - Estimation, Modeling and Material Characterization
This licentiate thesis is focused on the characterization of ultra-wideband wireless channels. The thesis presents results on ultra-wideband communications as well as on the ultra-wideband characterization of materials. The communications related work consisted in the measurement and modeling of …
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Material characterization of lithium ion batteries for crash safety
… was an important result for interior component material characterization, as was the varied force-displacement results for different cell types. But most importantly, this work demonstrated that the material characterization of lithium-ion battery cells through mechanical testing could be used …
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Production of nanocrystalline rdx by ress : development and material characterization
… address the hazardous vulnerability of energetic materials to accidental initiation. An improved form of the explosive RDX with a significantly reduced sensitivity to stimuli including shock and impact was sought. The direction of this research was to investigate the effect of RDX crystal size …
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Terahertz time domain methods for material characterization of layered dielectric media
Material characterization methods for layered dielectric media are highly sought after in many fields including nondestructive evaluation, structural health monitoring, security imaging, biological tissue inspection and agricultural and industrial quality assurance. On the other hand, the still …
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Material Characterization of Nitinol Wires for the Design of Actuation Systems
… actuator can be efficiently designed using this material.</p>
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Fabrication and material characterization of silver cantilevers via direct surface micromachining
… PMMA for the sacrificial layer. Several other materials were tested for use as sacrificial inks in addition to PMMA. Silver cantilevers with dimensions of 200x50[mu]m and 200x100[mu]m were fabricated as a demonstration of the process. The silver cantilevers were mechanically characterized by …
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VHPC Material Characterization and Recommendations for the Buffalo Branch Bridge Rehabilitation
… High Performance Concrete (UHPC) and extensive material tests were performed. The results of the material testing of VHPC and grout revealed that VHPC had higher compressive and tensile strengths, a higher modulus of elasticity, gained strength faster, bonded better to precast concrete, was more …
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Material characterization of high-voltage lithium-ion battery models for crashworthiness analysis
A three-phased study of the material properties and post-impact behavior of prismatic pouch lithium-ion battery cells was conducted to refine computational finite element models and explore the mechanisms of thermal runaway caused by internal short circuit. In phase one, medium and large sized …
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Material Characterization and Numerical Techniques for Accurate Prediction of Snow-Tire Interactions
… compacted snow with a density of 500 kg/m³. Material parameters for the Drucker-Prager Cap (DPC) plasticity model were derived from Direct Shear Tests (DST) and Confined Compression Tests (CCT). These parameters were validated through numerical simulations, which closely matched experimental …
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Time domain synthesis applied to modeling of microwave structures and material characterization
… time domain approach for the determination of material properties such as the complex permittivity and the complex permeability in a stripline geometry is presented. The new technique uses both Time Domain Reflectometry (TDR) and Time Domain Transmission (TDT) measurements for determining an …
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Data-driven X-ray Tomographic Imaging and Applications to 4D Material Characterization
… HSCNN and HDrec, to the dynamic damage/defect characterization applications for the cellular materials and binder jetting additive manufacturing. These proposed algorithms improve data acquisition speeds to record internal dynamic structure changes. A quantitative comprehensive framework is …
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Knowledge-guided Machine Learning for Sensor-based High-Performance Autonomous Material Characterization
… learning enables sensor-based high-performance material characterization that drives accelerated materials discovery and manufacturing. Traditional materials discovery workflows are driven by low-throughput characterization processes that involve several manual sample preparation steps and …
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Advanced Manufacturing and Dielectric Material Characterization Techniques for High-Temperature mm-Wave Antennas
… In this work, two aspects of high temperature materials in the above context are explored: (a) the development of advanced manufacturing techniques for high temperature materials that is lowcost, low-time, and low-infrastructure, and (b) the development of material characterization techniques …
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Test Development and Material Characterization of Hot Poured Crack Sealant at Low Temperature
In addition to the mechanical characterization of the sealant material, microstructure of the sealants were also investigated by confocal laser scanning microscopy (CLSM), environmental scanning electron microscopy (ESEM), gel-permeation chromatography (GPC), Fourier-transform infrared spectroscopy …
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Reduced-order modeling and nonlinear system identification in structural dynamics and material characterization
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2022-04-06 without embargo terms
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