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 7 of 7 for “"Piezoresistive effect"”.
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The Piezoresistive Effect In Microflexures
… is to present a new model for predicting the piezoresistive effect in microflexures experiencing bending stresses. A linear model describing piezoresistivity exists for members in pure tension and compression. Extensions of this model to more complex loading conditions do not match …
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Silicon piezoresistors for MEMS pressure sensor applications
… is motivated by the recently discovered enhanced piezoresistive effect in silicon nanowires where sensitivity can be increased by decreasing the dimension ofthe nanowire. This thesis investigates the piezoresistive effect in /i-type silicon nanowires, fabricated using a top down approach. It is …
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Strain sensor array using printed single crystalline silicon on plastic substrate
This thesis analyzes the piezoresistive effect in metal and semiconductor, discusses the effect of temperature and doping concentration, introduces a newly developed strain gauge using single crystalline silicon on plastic substrate, and describes the Colpitts oscillator that has the potential of …
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Multiscale Modeling of CNT-Polymer Nanocomposites and Fuzzy Fiber Reinforced Polymer Composites for Strain and Damage Sensing
… nanocomposite material has observable piezoresistive effect, that is to say that changes in applied strain may induce measurable changes in resistance. The first focus of the work is on modeling the piezoresistive response of the CNT-polymer nanocomposites by using computational …
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Multi-Physical Study of MEMS Resonators and Oscillators
… the response of micro scale dual-plate thermal-piezoresistive resonators (TPR) and self-sustained oscillators (TPO) to different gases and pressures. It is demonstrated that the resonant frequency of such devices follows particular trends in response to the changes in the surrounding gas and its …
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Computational Investigation of Strain and Damage Sensing in Carbon Nanotube Reinforced Nanocomposites with Descriptive Statistical Analysis
… is considered through the inclusion of a piezoresistive carbon nanotube network within the energetic binder providing embedded strain and damage sensing. A coupled multiphysics thermo-electro-mechanical peridynamics framework is developed to perform computational simulations on an …
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Microcantilever sensors for biochemical detection and analysis
… that composite cantilevers of this kind are an effective platform for temperature-sensitive biological experiments, such as heat lysing and polymerase chain reaction. The rapid heat-transfer of Si-UNCD cantilever compromised the membrane of NIH 3T3 fibroblast and lysed the cell nucleus within 30 …