Experimental method of magnetic permeability evaluation of magnetorheological composites

• Autorzy: Wojtas A. , Skalski W.

Identyfikatory

DOI

10.5604/12314005.1216506

• Języki publikacji: EN

Abstrakty

EN

The paper presents method of measuring the magnetic properties such as magnetic permeability and determination of the hysteresis B – H loop of magnetorheological composites. Magnetorheological composites are composition in which polarizable magnetic particles are dispersed in the soft elastomer mould. Magnetorheological composites have a big potential, which can be used in the aviation sector or in the motorization. Defining the magnetic properties of magnetorheological composites is essential; it allows determining the possibility of use of such materials and also gives opportunity to adapt materials characteristics to the needs of design. In the Institute of Aviation during the project “Butterfly wing“, the specialized test stand for testing of magnetic composite materials has been designed and manufactured. Construction of the test stand is based on electromagnet yoke, which allow generating magnetic field with a value above 1.5 T at low coercion value. Tests on the test stand were preceded by a simulation in the Maxwell Ansys environment. The article presents subsequent stages of magnetorheological materials testing, starting with electromagnet yoke characterization relative to the air gap to determining relation between magnetic induction B, and magnetizing current I, determining the correction factor of the electromagnet and ending on the measurement of magnetic B – H hysteresis loop of tested composite materials.

Słowa kluczowe

EN

experimental method; magnetorheological composites; investigations; magnetic permeability

• Wydawca: Łukasiewicz Research Network - Institute of Aviation ; European Science Society of Powertrain and Transport KONES Poland ; Wydawnictwo Instytutu Technicznego Wojsk Lotniczych
• Czasopismo: Journal of KONES
• Rocznik: 2016
• Tom: Vol. 23, No. 3
• Strony: 577--583
• Opis fizyczny: Bibliogr. 16 poz., rys.

Twórcy

autor

Wojtas A.

• Institute of Aviation, Transport and Energy Conversion Division 110/114 Krakowska Avenue, 02-256 Warsaw, Poland tel.: [phone], fax: [phone]

autor

Skalski W.

• Institute of Aviation, Transport and Energy Conversion Division 110/114 Krakowska Avenue, 02-256 Warsaw, Poland tel.: [phone], fax: [phone]

Bibliografia

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Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.