一种无机包覆软磁合金粉及其制备方法

By coating soft magnetic alloy powder with sodium chloride solution to form an insulating film layer of sheet-like iron-silicon-aluminum alloy powder, the safety and cost issues of the phosphating coating method are solved, and high-performance microwave absorbing sheets are prepared.

CN115691930BActive Publication Date: 2026-07-17HUNAN NELKIN MATERIAL TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
HUNAN NELKIN MATERIAL TECH CO LTD
Filing Date
2022-09-07
Publication Date
2026-07-17

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Abstract

本发明提供一种无机包覆软磁合金粉，还提供了该无机包覆软磁合金粉的制备方法，该方法安全性好，原材料易得、成本低，对环境友好。该制备方法不仅能在软磁合金粉表面形成良好的绝缘包覆层，同时对软磁合金粉末没有损伤，本无机包覆软磁合金粉末制成的吸波片的表面电阻和磁导率双高。
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