Substitution of Ce for NdPr in melt-spun (NdPr)-Fe-B powders

Melt spun Nd-Fe-B based powders have been successfully applied in bonded magnets for a wide variety of modern applications from power tools to automotive devices and computer components. Critical factors that drive the development of such bonded magnets include: higher magnetic performance, better thermal stability and lower cost of alloy components . The latter point has become particularly important in recent years with the instability in the rare earth price and its availability. This study looks into the effects of substituting the neodymium/praseodymium rare-earth component in melt-spun (NdPr)-Fe-B powders with the relatively low cost and abundant cerium element.