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Corrosion tests on alloys and permanent magnets based on NdFeB, used in aerospace industry

M. M. CODESCU1,* , W. KAPPEL1, M. DUMITRACHE1, D. POPA2

Affiliation

  1. National R&D Institute for Electrical Engineering ICPE-CA, 313 Splaiul Unirii, Bucharest – 030138, Romania
  2. South Otopeni, Airport, Bucharest, Romania

Abstract

For special applications like aerospace field, the NdFeB permanent magnets must work in different aggressive conditions: extreme temperatures (very high or very low), very high humidity media, etc. The paper presents the results of experimental researches performed in order to determine the behaviour against corrosion of Nd-Fe-B permanent sintered magnets, with different chemical composition..

Keywords

NdFeB magnets, Corrosion resistance, Coating.

Submitted at: Feb. 25, 2008
Accepted at: April 4, 2008

Citation

M. M. CODESCU, W. KAPPEL, M. DUMITRACHE, D. POPA, Corrosion tests on alloys and permanent magnets based on NdFeB, used in aerospace industry, Journal of Optoelectronics and Advanced Materials Vol. 10, Iss. 4, pp. 790-793 (2008)