Influence of Different Materials on Inductance and Resistance Values of Nanocrystalline Alloy at High Temperature
DOI:
https://doi.org/10.15282/Keywords:
Magnetic Heat Treatment, Transverse Field, Nano-crystalline AlloyAbstract
The purpose of this study is to evaluate the effect of mild steel as dummy on the inductance value of core. A high permeability nanocrystalline alloy strip was used as the main material and the magnetic heat treatment process was carried out using magnetic field annealing furnace. The inductance value is measured for each core after the heat treatment. Prior to heat treatment process, a test on the magnetic field strength inside the furnace was done to check the strength of magnetic field where the data indicate a non-linear strength along the furnace, which is the strength will be greater at the middle and lowest at the bottom of the furnace where the cores is placed. Quantitative analyses showed the inductance value of bottom core decreased greater than 10% as compared to the neighboring core with the absence of the mild steel. One should keep in mind that the value for the tested cores is not specified, only the deviation of the inductance value of bottom core will be considered. This phenomenon occurred due to the attraction strength of bottom dummy towards the magnetic field. Further experiment was done to evaluate the effect of different height of mild steel and it is worth to note that various height of mild steel does not gives any significant effect on the inductance value of core.
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