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MICROSTRUCTUR E AN D MECHANICA L …
MICROSTRUCTURE AND MECHANICAL PROPERTIES OF INCONEL 625 AND 7 18 ALLOYS PROCESSED BY powder INJECTION MOLDING J. J. Valencia, T. McCabe, K. Hensl, J. 0. Hansenz, and A. Bose3 Concurrent Technologies Corporation,1450 Scalp Avenue,Johnstown, PA 15904. lPennsylvania State University, University Park, PA 16802 2 United technologies, Pratt & Whitney, West Palm Beach, FL 33410 3 Parmatech, 2221 Pine View Way, Pataluma, CA 94950. Abstract powder injection molding of superalloys offer a potential route for the manufacture of small and geometrically complex components for the aircraft engine industry. In this investigation, 625 and 718 alloy powders with an average size below 10 pm were injection molded into tensile test bars which were then sintered in a hydrogen atmosphere at diverse temperatures after debinding.
Introduction In the last decade significant advances have been made in the manufacturing of superalloys via powder metallurgy (P/M) routes.
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