廃棄乾電池リサイクル材を用いた高性能偏向ヨークの開発(ソフト磁性材料)

概要

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We studied MnZn ferrites for high-performance deflection yokes, using recycled disposable dry-cell batteries as raw materials. Many clusters existed after milling of the batteries caused deterioration of the magnetic properties. However, after further milling, clusters were broken into minute particles, a fine powder was obtained green density, sintered density and saturated magnetic flux density increased and core loss decreased. Furthermore, by optimization of each manufacturing process, higher quality was realized than conventional materials were used. Since, environmental destruction is a major contemporary social problem, it can be said that this technology promoting the recyding of dry-cell batteries is a useful advance in that it can contribute to the protection of the earth.
2004-05-01