OLIVEIRA, M.C.L.ROGERO, S.O.SAIKI, M.COSTA, I.2014-11-172014-11-182015-04-012014-11-172014-11-182015-04-01OLIVEIRA, M.C.L.; ROGERO, S.O.; SAIKI, M.; COSTA, I. The corrosion resistance and cytotoxicity of a commercial Nd-Fe-B magnet in simulated physiological solution. In: INTERNATIONAL CONGRESS OF MECHANICAL ENGINEERING, 17th, Nov. 10-14, 2003, Sao Paulo, SP. <b>Proceedings...</b> Disponível em: http://repositorio.ipen.br/handle/123456789/16466.http://repositorio.ipen.br/handle/123456789/16466In this investigation, in vitro corrosion tests have been carried out in naturally aerated Hank's solution at 25 °C, to evaluate the corrosion resistance of a commercial sintered NdFeB magnet by immersion test and electrochemical techniques. Generalized corrosion occurred and instrumental Neutron Activation Analysis (INAA) was applied to analyze elements leached into Hank's solution. The results showed that Co, Fe arid Nd have been released into the physiological medium. In the cytotoxicity test by neutral red uptake and agar diffusion methods, the commercial NdFe-B magnet tested did not present toxicity.openAccessbiological materialspermanent magnetsneodymium alloysiron alloysboron alloyscorrosioncorrosion resistancebody fluidssimulationcorrosion productsneutron activation analysispolarizationtoxicityimpedancespectroscopyTexto completo de eventohttps://orcid.org/0000-0002-4987-3334https://orcid.org/0000-0003-3396-6277