Cast Magnetic High-entropy Alloys

In a bid to mitigate costs and cater to the surging demand for rare-earths in high-performance sintered magnets, we introduce the concept of High-Entropy-Alloy-based magnetic alloys for permanent magnets . Presenting novel data, we unveil bonded magnets derived from melt-spun high-entropy alloys (HEAs), exemplified by (La-Ce-Nd-Pr-Zr)2Fe14B, harboring potential across myriad applications. A spectrum of alloys, varying in the ratio of (La,Ce) to (Nd,Pr)-Zr, was cast and amalgamated with Fe and B to yield rare-earth rich alloys akin to NdFeB, subsequently subjected to melt spinning for isotropic magnetic powder production. Injection molding then fashioned a series of bonded magnets.