MnZnフェライトのリサイクル

概要

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We studied the feasibility of electronic components manufactured from recycling powder composed of a Mn-Zn grinding sludge and commercially available clay for earthenware. The effects of mixing ratios and heat treatment conditions on the magnetic properties and microstructures of sintered samples were investigated. As a result, we found it possible to use such mixtures as composite materials for producing electromagnetic radiation absorbers with superior properties (R.L.≩20dB). Frequency and thickness matching were controlled from 0.9GHz to 5.5GHz and 4mm to 8mm, respectively. In addition, we found it possible to substitute lake sludge for earthenware clay in producing electromagnetic radiation absorbers. By optimizing various conditions, we should be able to employ mixtures of lake sludge and recycled Mn-Zn ferrite powder for the manufacture of EMC devices and other magnetic devices.
社団法人日本磁気学会の論文
2001-11-01