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  • Analysis of corrosion properties of melt spun Nd-Fe-B ribbons coated by alumina coatings = Analiza korozijskih lastnosti hitro strjenih Nd-Fe-B-trakov, oplaščenih z aluminijevim oksidom
    Sojer, David ...
    We have coated Nd-Fe-B melt spun powders, used for the production of bonded magnets via the sol-gel route by Al[sub]{2}O[sub]{3}. Topography and chemical composition of as-spun and protected ribbons ... was compared by Auger electron spectroscopy, X-ray photoelectron spectroscopy, secondary electron spectroscopy and electron diffraction spectroscopy. To determine the corrosion properties, we have conducted a Highly accelerated stress test, at 110 °C and 90 % humidity, followed by measuring the weight change. To confirm the effectiveness of the coated layer, magnetic properties were compared with a vibrating sample magnetometer. Al[sub]{2}O[sub]{3} coatings resulted in superior corrosion resistance and magnetic properties and thus expanding the applicability of bonded magnets to severe atmospheric conditions.
    Source: Materiali in tehnologije = Materials and technology. - ISSN 1580-2949 (Letn. 47, št. 2, mar.-apr. 2013, str. 223-228)
    Type of material - article, component part
    Publish date - 2013
    Language - english
    COBISS.SI-ID - 980650

    Link(s):

    http://www.imt.si/Revija/
    Digitalna knjižnica Slovenije - dLib.si

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