Non-linear GMI decoding in 3D printed magnetic encoded systems
نویسندگان
چکیده
The nonlinear giant magnetoimpedance (GMI) effect was explored as a highly sensitive sensing technology in 3D-printed magnetic encoded systems. Magnetic nanoparticles with low (magnetite, Fe3O4) and high (Co ferrite, Co0.7Fe2.3O4) remanence were embedded (10 wt.%) polymeric matrix of Polylactic Acid (PLA) Poly-ε-caprolactone (PCL) extruded filaments to be 3D printed by the Fused Deposition Modelling technique (FDM). Two different geometries constructed namely, individual strips fixed barcoded pieces. stray fields generated detected through non-linear (second harmonic) GMI voltage using soft CoFeSiB wire nucleus sensor. decoding response analyzed function magnetization nanoparticles, distance between strips, position (height) It has been shown that modification net direction each strip within barcode geometry is possible application local external fields. This possibility improves versatility binary encoding system adding an additional state (0 without 1 or -1 depending on relative orientation along strips) during codifying procedure.
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ژورنال
عنوان ژورنال: Sensors and Actuators A-physical
سال: 2023
ISSN: ['0924-4247', '1873-3069']
DOI: https://doi.org/10.1016/j.sna.2023.114447