Carbon-coated magnetic superfine iron particle and its manufacturing method
A carbon coating and magnetic technology, applied in the direction of coating, can solve the problems of harsh reaction conditions, difficult to prepare in large quantities, and high raw material requirements, and achieve the effect of small particle size, low raw material requirements, and high saturation magnetization.
Inactive Publication Date: 2007-03-28
SHANGHAI HUAMING HI TECH GRP +1
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Abstract
The present invention discloses a kind of magnetic superfine iron granules covered by carbon. Its average grain size is 50-400 nm, and its composition includes (by wt% 65-85% of magnetic iron and 15-25% of carbon. Said magnetic superfine iron granules can be used as magnetic powder for making magnetic recording and can be used as carrier material for preparing magnetic target medicine.
Application Domain
Coatings
Technology Topic
Magnetic powderCarbon coated +3
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PUM
Property | Measurement | Unit |
The average particle size | 50.0 ~ 400.0 | nm |
The average particle size | 8.0 ~ 15.0 | nm |
Granularity | <= 500.0 | nm |
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