RAPIDLY COOLED MAGNET ALLOY

摘要

PURPOSE:To improve the machinability and magnetic characteristics by spraying a molten ternary alloy consisting of Nd, Fe and Co represented by a prescribed compositional formula on the surface of a prescribed rotating body. CONSTITUTION:A ternary Nd-Fe-Co alloy represented by a compositional formula Nd1-x(Fe1-yCoy)x (where x is 0.4-0.7 and y is 0.01-0.4) is refined. The molten alloy is sprayed on a rotating body rotating at 5-30m/sec surface speed, and it is rapidly cooled. The resulting magnet alloy has superior machinability and magnetic characteristics.