摘要
NdFeB coercive powder can be obtained directely by hydrogen treated ahoy ingots, The magnetic properties of the powder are comparable with that made by rapidsolidified process.An appreciable coercivity created during hydrogen treatment is closely related to the refined crystal grains.
NdFeB coercive powder can be obtained directely by hydrogen treated ahoy ingots, The magnetic properties of the powder are comparable with that made by rapidsolidified process.An appreciable coercivity created during hydrogen treatment is closely related to the refined crystal grains.
