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To meet the requirements of flexible and wearable electronic devices, strain sensors with high sensitivity, stretchability and reliability are essential prerequisite. In this work, we developed a strain sensor of resistance type, which is composed of standing multi-walled carbon nanotube (MWCNT) network, reinforced by PDMS film. Benefiting from the standing MWCNT network structure, the strain sensors...
In this paper, a theoretical and Monte-Carlo analysis on the percolation behavior of single-walled carbon nanotube (SWNT) network is proposed. For such network structures that are commonly used as the conduction channels of thin-film transistors (TFTs), the dependence of channel resistance on channel length, tube density, and average tube length is carefully studied. The tube-tube contact resistance...
In this paper we mainly describes the research progress in a kind of plasma spraying coating oxide cathode, which includes the preparation of Ni-Sc sponge layer and plasma spraying Sc doped coating and the properties testing. The testing results show that the dc emission current density of the cathode is over 4A/cm2 and the pulse emission current density reaches 103 A/cm2 with a 1µs pulse width at...
Lightning is the main reason that endangers the safety and reliability of transmission line, and impulse grounding resistance is the main factor that affects the lightning withstand level of line. The common calculation method of impulse grounding resistance multiplying power frequency resistance by impulse coefficient is widely accepted in simulation model, and assumes that it is constant. However,...
The aerodynamic characteristics directly affect driving characteristics, stability, operation, oil consumption, and safety of automobiles. The virtual wind tunnel experiment simulation based on finite element method has provided useful theoretical reference to automobile bodywork design. In this study, the air flow and distribution information around the automobiles was obtained using aerodynamic...
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