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Here we applied three-dimensional (3D) printing of conductive microstructures for the functional optimization of lightweight and semi-transparent electromagnetic interference (EMI) shields. Highly conductive 3D printable inks with electrical conductivities up to ∼5000Sm−1 were fabricated from carbon nanotubes/polylactic acid (CNT/PLA) nanocomposites. Solvent-cast 3D printing enabled us to fabricate...
In this paper, a novel +45° insulator is proposed. The insulator has a conductivity graded structure in which the high conductivity part performs as a shield to reduce the electric field concentration at anode triple point and along surface. Hence, the surface electrical withstanding strength would be enhanced. Computer aided simulation is performed to investigate the electric field distribution with...
This paper presents the design method using topology optimization and the fabricating feasibility using Fused Deposition Modeling (FDM) 3D printing technique for Functionally Graded Material (FGM) insulator. The concepts of FGM and topology optimization are primarily introduced. And a topology optimization approach based on COMSOL Multiphisics is proposed. The optimization objective is to uniform...
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