Novel RE-free permanent magnet systems for automotive applications


Project Director: Dr. Crisan Ovidiu

Project Code: PN-III-P3-3.1-PM-RO-FR-2019-0327 Contract: 4BM / 2019 Period of implementation: 2019 - 2020
Beneficiary: National Institute for Materials Physics, Magurele, Romania Project Director: Dr. Ovidiu Crisan
Partner: Universite du Maine, Faculte des Sciences, Institut des Molecules et Materiaux du Mans IMMM UMR CNRS 6283, Le Mans, France Partner responsible: Prof. Nirina Randrianantoandro Grant amount: 19 000 lei

SUMMARY:
The project intends to design, create, characterize and test a novel class of magnetic materials capable to operate at high temperatures, having a large resistance to corrosion. This new class may be represented by exchange coupled nanocomposite magnets based on (Fe,Mn)(Pt,Al). Key issues that need to be solved is represented by the cost effectiveness and the optimization of the magnetic performances of the L10 hard magnetic phases with Mn and/or Al. These RE-free nanocomposite magnets will be compositionally modulated with the purpose of optimization of the magnetic performances. The pseudo-binary alloys FeMnPt and FeMnAl will be obtained by melt spinning, mechanical alloying and thin films. It is expected that replacing Pt with less costly elements will decrease the overall costs without a trade-off of the expected magnetic performances.

Main aim of the project is to design, create, characterize and test a novel class of magnetic materials based on L10 materials (Fe,Mn)(Pt,Al). The alloys will be compositionally modulated with the purpose of optimization of the magnetic performances.


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