METHOD FOR PRODUCING SEMI-FINISHED PRODUCTS FROM A NICKEL-BASED ALLOY

In the initial condition after sensitization annealing, clearly massive delta phase precipitates are visible at the grain boundaries and growing into the grain. At 1020° C., a considerable fraction of the delta phase has already passed into solution and, at 1050° C., delta phase is now almost hardly...

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Hauptverfasser:	KRAEMER geb. ROSENBERG, Julia, KLOEWER, Jutta, AGHAJANI, Ali
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Zusammenfassung:	In the initial condition after sensitization annealing, clearly massive delta phase precipitates are visible at the grain boundaries and growing into the grain. At 1020° C., a considerable fraction of the delta phase has already passed into solution and, at 1050° C., delta phase is now almost hardly perceptible at the grain boundaries. The subsequent investigations in the SEM with better resolution, show that delta phase can still be identified in material solution-annealed at 1050° C. At 1090° C., it can be assumed that delta phase has passed completely into solution.