Fig. 1: Ansys simulation and process flow for the designed ultrasonic rheomolding powder cores (URPCs) and conventional cold-compacted PCs. | Nature Communications

Fig. 1: Ansys simulation and process flow for the designed ultrasonic rheomolding powder cores (URPCs) and conventional cold-compacted PCs.

From: Local adaptive insulation in amorphous powder cores with low core loss and high DC bias via ultrasonic rheomolding

Fig. 1

Models of the conventional insulation structure (a), Designed biconcave-lens insulation structure (b), and uncoated structure (c). d–f Corresponding toroidal structures of the models in (a–c), respectively. The insets show these structures consist of five layers of powder particles, in which coarse powder particles (26 μm) are interspersed with fine ones (15 μm), and the copper wires have eight winding turns. g–i, Magnetic induction intensity (B) generated at a magnetic field intensity of 79.6 A/m by the three coils in (d–f). j Schematic diagrams of the process flow for the two PCs. k Schematic diagram of the preparation of the URPCs. l Schematic diagram of the resin change process during UR.

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