What is it about?
Pure iron may have a higher potential in soft magnetic applications than DC magnetisation. Pressing iron powder at high pressures can lead to a significant change in electromagnetic properties without the need for an electrically insulating secondary phase, as is the case with soft magnetic composites.
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Why is it important?
Iron powder consolidated at high pressures can be utilised as a cheap soft magnetic material for low and middle-frequency applications. This research shows dependencies of coercivity, resistivity and permeability on pressing pressures in the context of microstructure.
Perspectives
The work on this article gave us a deep insight into the issue of soft magnetic materials and the possibility of changing their properties using mechanical modifications.
Radovan Bures
Institute of Materials research of Slovak Academy of Sciences
Read the Original
This page is a summary of: High pressure compaction of soft magnetic iron powder, Powder Technology, May 2023, Elsevier,
DOI: 10.1016/j.powtec.2023.118434.
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