| 摘要 |
PURPOSE: To provide a manufacturing method of rare earth element permanent magnet capable of removing the oil content remaining in a molding body to obtain a sintered body having less residual carbon content within a wet molding process of a rare earth element sintered magnet using a mineral oil, synthetic oil or plant oil as a solvent. CONSTITUTION: Within the rare earth element permanent magnet, the mixture of fine particles and a mineral oil, synthetic oil or plant oil for the rare earth element permanent magnet comprising RCo5 base, R2 Co17 base or R-Fe-B base (R represents one kind or two or more kinds of rare earth elements including Y) is wet-molded in a magnetic field into a molded body which is sintered, after heating and deoiling steps in an inert gas or reducing gas led in state while being depressurized and exhausted. |
