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HomeMaterials Science ForumMaterials Science Forum Vol. 914Study on Magnetic and Corrosion Properties of...

Study on Magnetic and Corrosion Properties of Ce₁₆Fe_95-xCo_xB₈ (x=0-4) Alloys

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Abstract:

To understand the phase composition and improve the magnetic performances of Ce₂Fe₁₄B-type alloys, the ribbons of Ce₁₆Fe_95-xCo_xB₈ (x=0-4.0) were prepared by melt-spinning at a quench wheel velocity of 40 m/s. The phase composition and magnetic properties of Ce₁₆Fe_95-xCo_xB₈ (x=0-4.0) alloys were investigated. XRD results indicated that the main phase existed in the as-spun ribbons is Ce₂Fe₁₄B. The amorphous formation ability and thermal stability of as-spun ribbons were enhanced by trace cobalt addition. Co-doped samples had higher Curie temperature compared with bare Ce₂Fe₁₄B, which signified that Co atoms could substitute for Fe directly into Ce₂Fe₁₄B phase. The corrosion potential of alloys from-1089mV (vs. SCE) to-1077mV (vs. SCE) which indicated that the Co-doped provided better corrosion protection properties for the Ce-Fe-B magnet compared with bare substrate.

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Periodical:

Materials Science Forum (Volume 914)

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73-79

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https://doi.org/10.4028/www.scientific.net/MSF.914.73

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Online since:

February 2018

Authors:

Chang Cheng Fang, Qing Rong Yao*, Yong Qiang Xu, Huai Ying Zhou, Guang Hui Rao, Jian Qiu Deng, Zhong Min Wang

Keywords:

Ce₂Fe₁₄B, Co Addition, Corrosion Resistance, Curie Temperature, Magnetic Properties

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© 2018 Trans Tech Publications Ltd. All Rights Reserved

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