Comparison of microstructural stability of IN939 superalloy with two different manufacturing routes during long-time aging

Microstructural stability of IN939 superalloy with two different manufacturing routes was investigated during long-term aging at elevated temperatures by light optical microscope (OM) and scanning electron microscope (SEM) equipped with an EDS system. The results show that the coarsening behavior of...

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Veröffentlicht in:	Transactions of Nonferrous Metals Society of China 2014-06, Vol.24 (6), p.1717-1729
Hauptverfasser:	JAHANGIRI, M.R., ARABI, H., BOUTORABI, S.M.A.
Format:	Artikel
Sprache:	eng
Schlagworte:	AGING MECHANISMS Alloys carbides Coarsening COPPER ALLOYS (40 TO 99.3 CU) Copper base alloys FORMING HEAT TREATING Heat treatment Hot forming IN939 superalloy long-term coarsening MANUFACTURE manufacturing route Microstructure MICROSTRUCTURES NICKEL ALLOYS (50 TO 99 NI) Nickel base alloys nickel-based superalloy Scanning electron microscopy Stability Superalloys γ′ particles
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