access icon free Magnetic properties and vibration characteristics of amorphous alloy strip and its combination

Although the cores made with amorphous metal alloy have lowered no-load losses compared with the orientation silicon steel cores, a high cost and noise level are inevitable because the magnetostriction for amorphous metal alloy strip is larger than the ordinary one. This study mainly focused on the experimental systems and methods for magnetic properties measurement, vibration characteristics and noise level of amorphous alloy strip and combinations. The vibration characteristics and noise level of amorphous alloy composite strip were also studied. The influence of the annealing process on magnetic energy, vibration characteristics and noise level of amorphous alloy core were analysed in detail as well. All the testing results and analysis above are helpful for the transformer manufacturers, and they can replace the expensive amorphous alloy metal strip with the combinations to reduce the noise and cost of the cores.

Inspec keywords: magnetostrictive devices; strips; magnetostriction; vibrations; annealing; power transformers; amorphous magnetic materials; magnetic cores

Other keywords: amorphous alloy core; amorphous metal alloy strip; noise level; transformer manufacturers; magnetic property measurement; magnetic energy; vibration characteristics; amorphous alloy composite strip; orientation silicon steel cores; annealing process; magnetostriction; expensive amorphous alloy metal strip

Subjects: Magnetic cores; Amorphous and nanostructured magnetic materials; Magnetization curves, hysteresis, Barkhausen and related effects; Deformation, plasticity and creep; Magnetomechanical and magnetoelectric effects, magnetostriction; Other heat and thermomechanical treatments; Magneto-acoustic, magnetoresistive, magnetostrictive and magnetostatic wave devices; Microstructure; Transformers and reactors

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