A manufacturing method of a high-density sintered body and a sintered body

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PROBLEM TO BE SOLVED : To provide a method for manufacturing a high-density sintered compact by which deterioration in the characteristics of sintered compact such as magnetostrictive properties in the high-temperature atmosphere can be reduced by increasing the density of a sintered compact e.g. an ultra- magnetostrictive element prepared by the powder metallurgical method. SOLUTION : In the method for manufacturing the high-density sintered compact, alloy powder having a composition represented by formula RTy (wherein, R is one or more rare-earth metals; T is one or more transition metals; and y satisfies 1

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