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Publications (9)
Soft electronic components possess the potential to be developed into next-generation electrical devices that can provide superior performance to solid-state counterparts. Among commonly used components, electrical switches are an essential control element in electrical and electronic systems. Both solid-state mechanical and semiconductor switches...
Here we develop a two-dimensional numerical model of WAAM to determine the relationship between process parameters and deposition geometry, and to reveal the influence mechanism of process parameters on deposition geometry. From the predictive results, a higher wire feed rate matched with a higher current could generate a larger and hotter droplet,...
Intrinsic roughness of solid surfaces causes a series of inevitable shortcomings in the use of mechanical electrical contacts, among which one of the most fatal is the repulsive electrodynamic force arising from high currents. A large contact force coming from a heavy holding mechanism helps to suppress the repulsive effect whereas the mechanism co...
Electrical contact is an important part of electromechanical equipment. The performance of electrical contact has an important impact on the overall reliability of the system. Based on the study of the topological characteristics of fractal rough surfaces and the elastic–plastic deformation behavior of rough bodies, a theoretical model of electric...
Based on the study of fractal rough surface topography, a finite element analysis model of elastic–plastic contact deformation of micro-convex body considering the combination of various material properties is established. The elastic–plastic deformation process of a single micro-convex body on rough surface is calculated and analyzed by using the...
Liquid-metal (LM) electrical switches have been desired for decades to overcome intrinsic shortcomings of traditional mechanical switches equipped with solid contacts. Existing LM electrical switches, functioning via solid-liquid wetting or liquid droplet actuation, mostly focus on low current and small signal switches. In this Letter, a LM switch...
