METHODS FOR FORMING NEAR NET-SHAPE METAL PARTS FROM BINDERLESS METAL POWDER
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Sep 6, 2017
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Oct 20, 2014
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Methods for forming near net-shape metal parts include transporting a binderless metal powder mixture to a die cavity with ultrasonic energy, introducing the binderless metal powder mixture into the die cavity, and compacting the binderless metal powder mixture within the die cavity with ultrasonic energy to form a green part within the die cavity. The binderless metal powder mixture includes essentially no plastic or binder, and may consist essentially of metal particles. The methods may further include separating the green part from the mold die and sintering the green part, after separating, to form a sintered near net-shape metal part.
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