발간논문

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Vol.16, No.1, 29 ~ 34, 1978
Title
A Study on the Development of High Silicon Steel Core materials .
송진태 Jin Tae Song
Abstract
It has investigated the magnetic and mechanical properties of sintered cores made of Fe-Si alloy powder containing high silicon content with the goal of making them practical in electric devices. Fe-6.5% Si powders with different particle sizes were compacted under pressures of 8∼9ton/㎠ and sintered at 1100-1250℃ in hydrogen atmosphere. The magnetic properties of sintered cores were improved with increasing the green density of core and sintering temperature. Core loss was superior to those of compressed iron powder cores and electrical steel sheets. In conclusion, the higher the density the better the properties of compacted core and high temperature sintering provides further improvement to them. The Fe-6.5% Si powder cores may be sufficiently good for electric parts such as cores and inductors if their compacted density and sintering temperature are well controlled.
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