Nickelbasierte Legierung und Turbinenrad damit

Details

Veröffentlichungs-Nr.

EP4745254

Anmeldetag

25. Februar 2025

Veröffentlichung

20. Mai 2026

Rechtsraum

EP

IPC

C22C19/05, F01D5/28(DAIDO STEEL CO LTD et al.)

Abstract

Turbocharger turbine wheels including nickel-based alloys are disclosed herein. In one exemplary embodiment, a turbocharger turbine wheel includes as, at least part of its constituency, nickel-based alloy composition consisting, on a weight basis, of: 11.0% to 13.5% chromium, 5.2% to 8.5% iron, 6.0% to 7.2% aluminium, 3.0% to 4.4% molybdenum, 1.15% to 2.00% titanium, 0.1% to 0.2% carbon, 0.03% to 0.07% zirconium, 0.01% to 0.02% boron, up to 2.0% niobium, up to 0.2% silicon, up to 0.03% copper, up to 0.005% phosphorous, up to 0.02% manganese, up to 0.003% sulphur, with the balance being nickel and incidental/inevitable/unavoidable impurities. The turbocharger turbine wheel may be configured for operating at 770 °C to 850 °C.

Anmelder

Firma

Garrett Transportation I Inc.

Land

🇺🇸 USA