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PROBLEM TO BE SOLVED : To suppress variation of sintering density, in the case of producing high density sintered compact by sintering a large quantity of formed bodies at a time.SOLUTION : When the sintered compact is produced by charging the plurality of formed bodies resulting from forming raw material alloy powder containing rare earth metal elements and transition metal elements into a sintering furnace and sintering with mixed atmosphere containing hydrogen gas and inert gas, the plurality of formed bodies are housed by dividing them into a plurality of vessels, and the sintering is performed in the sintering furnace. The raw material alloy powder has the composition shown in general formula RTy (in formula, R is one or more elements of the rare earth metal elements, T is one or more elements of the transition metal elements, and 1
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