ALLIAGE MONOCRISTALLIN A MATRICE A BASE DE NICKEL

Monocrystalline alloy with a nickel base matrix without intentional addition of carbon, of boron or of zirconium, having a composition by weight: Co 0 to 10% - Cr 5 to 7% - Mo 1.5 to 2.5% - W 8.5 to 12.5% - Ta 0 to 6.5% - Al 5 to 7% - Nb 0 to 2% - Ni balance to 100. Furthermore, the summation of the...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
1. Verfasser:	FRANCOISE JEANNE BOIS, LUC GERARD REMY ET JEAN MARC CLEMENT THERET
Format:	Patent
Sprache:	fre
Schlagworte:	AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE ALLOYS APPARATUS THEREFOR CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS CHEMISTRY CRYSTAL GROWTH FERROUS OR NON-FERROUS ALLOYS METALLURGY PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE REFINING BY ZONE-MELTING OF MATERIAL SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE SINGLE-CRYSTAL-GROWTH TREATMENT OF ALLOYS OR NON-FERROUS METALS UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL ORUNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	Monocrystalline alloy with a nickel base matrix without intentional addition of carbon, of boron or of zirconium, having a composition by weight: Co 0 to 10% - Cr 5 to 7% - Mo 1.5 to 2.5% - W 8.5 to 12.5% - Ta 0 to 6.5% - Al 5 to 7% - Nb 0 to 2% - Ni balance to 100. Furthermore, the summation of the atomic percentages 0.005 0.005 Xo+0.036 Cr+0.052 Mo+0.066 W+0.026 Al+0.116 Nb +0.049 Ta is less than one and the summation of the atomic percentages Ta+W+Mo+Nb lies between 5.9 and 6.3. The alloys having an elevated solidus temperature, in excess of 1325 DEG C., are particularly adapted to monocrystalline casting of the vanes of the turbine inlet nozzle array and having significantly improved properties of strength under conditions of thermal fatigue and oligocyclic fatigue.