Microstructure and corrosion resistance of AlCoCrFeNi high-entropy alloy coating on sintered NdFeB magnets prepared by HVOF spraying
Journal of Magnetism and Magnetic Materials(2022)
Abstract
•AlCoCrFeNi coating was formed on the surface of sintered NdFeB magnets by HVOF spraying.•The sprayed AlCoCrFeNi coating was composed of single BCC phase.•The AlCoCrFeNi coating has little effect on the magnetic properties of the NdFeB magnet.•The AlCoCrFeNi coating greatly improves the corrosion resistance of the sintered NdFeB magnets.
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Key words
Sintered NdFeB magnet,HVOF spraying,High-entropy alloy,AlCoCrFeNi,Corrosion resistance
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