Magnetic properties of polymer bonded nanocrystalline powder

• Autorzy: Gramatyka P. , Nowosielski R. , Sakiewicz P.
• Konferencja: 12th International Scientific Conference CAM3S'2006, 27-30th November 2006, Gliwice-Zakopane
• Języki publikacji: EN

Abstrakty

EN

Purpose: The aim of this paper was to develop a dielectromagnetic based on nanocrystalline Fe73.5Cu1Nb3Si13.5B9 powder bonded with organo-silicon polymer and to investigate the powder particle size and content of polymer response of the magnetic properties. Design/methodology/approach: The dynamic magnetic properties at the frequency range from 50 Hz up to 100 kHz of nanocrystalline iron based powder cores were measured using computerized hysteresis loop tracer Remacomp C-100 and Ferrometr device. Findings: It was found from the experimental studies, that nanocrystalline powder cores proved to be suitable for high frequency applications. Their frequency dependences are comparable to that of carbonyl iron powder cores but shows smaller power losses. Research limitations/implications: Further studies should be undertaken in order to produce high density composites with good soft magnetic properties and to find a good comprise between mechanical and magnetic properties for power electronics applications. Practical implications: Developed nanocrystalline powder cores with permeability's below 100 are potential candidates for a variety of industrial applications, such as electromagnetic interference filters, radio frequency coupling devices, filter inductors and radio frequency tuning cores. Originality/value: Soft magnetic materials have recently regained interest as inductive component which is a result of better raw materials, more developed technologies and a need for the materials from electrical micromotors and low power motors for automation, robotics and other equipments. The present study complements and extends ealier investigations of polymer bonded powders.

Słowa kluczowe

EN

composites; nanocrystalline materials; soft magnetic properties; frequency spectrum

PL

kompozyty; materiały nanokrystaliczne; materiały magnetyczne miękkie; właściwości magnetyczne; widmo częstotliwości

• Wydawca: International OCSCO World Press
• Czasopismo: Journal of Achievements in Materials and Manufacturing Engineering
• Rocznik: 2007
• Tom: Vol. 20, nr 1-2
• Strony: 115--118
• Opis fizyczny: Bibliogr. 15 poz., rys.

Twórcy

autor

Gramatyka P.

autor

Nowosielski R.

autor

Sakiewicz P.

• Division of Nanocrystalline and Functional Materials and Sustainable Pro-ecological Technologies, Institute of Engineering Materials and Biomaterials, Silesian University of Technology, ul. Konarskiego 18 a, 44-100 Gliwice, Poland,

Bibliografia

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