NICKEL BASED SUPERALLOY, SINGLE CRYSTAL BLADE AND TURBOMACHINE

NICKEL BASED SUPERALLOY, SINGLE CRYSTAL BLADE AND TURBOMACHINE

A nickel-based superalloy comprises in mass percent: 4.0% to 6.0% chromium; 0.4% to 0.8% molybdenum; 2.5% to 3.5% rhenium; 6.2% to 6.6% tungsten; 5.2% to 5.7% aluminum; 0.0 to 1.6% titanium; 6.0% to 9.9% tantalum; 0.0 to 0.7% hafnium; and 0.0 to 0.3% silicon; the balance being constituted by nickel...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: CARON, Pierre, BELAYGUE, Philippe, LAVIGNE, Odile, DELAUTRE, Joël, RAME, Jérémy, JAQUET, Virginie
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ALLOYS
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:A nickel-based superalloy comprises in mass percent: 4.0% to 6.0% chromium; 0.4% to 0.8% molybdenum; 2.5% to 3.5% rhenium; 6.2% to 6.6% tungsten; 5.2% to 5.7% aluminum; 0.0 to 1.6% titanium; 6.0% to 9.9% tantalum; 0.0 to 0.7% hafnium; and 0.0 to 0.3% silicon; the balance being constituted by nickel and any impurities.A monocrystalline blade comprises such an alloy and a turbomachine including such a blade.