ベアリング研削スラッジを用いた環境にやさしい電波吸収材料

書誌事項

タイトル別名
  • Environment-friendly Electromagnetic Wave Absorber Using Bearing Grinding Sludge.
  • ベアリング ケンサク スラッジ オ モチイタ カンキョウ ニ ヤサシイ デンパ キュウシュウ ザイリョウ

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抄録

At a bearing manufacturing plant, a large quantity of grinding sludge is discharged from finish machining process. The microstructure of this sludge is a fiber form which entangles naturally. Raw sludge is not an electromagnetic wave absorber because of its conductivity. The sludge was therefore ground into minute particles by a mechanical alloying method (MA). An electromagnetic wave absorber was then produced using MA-treated bearing grinding sludge for magnetic loss factor. These electromagnetic wave absorbers had practical efficiency at Blue Tooth frequency (2.45 GHz) and ETC frequency (5.8 GHz).

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