公开(公告)号：US20180282841A1

公开(公告)日：2018-10-04

申请号：US15946170

申请日：2018-04-05

Applicant: ROLLS-ROYCE PLC

Inventor： Mark C. HARDY ,  Roger C. REED ,  David CRUDDEN

IPC: C22C19/05 ,  F01D5/02 ,  F01D25/24 ,  F23R3/00 ,  F04D29/32

CPC classification number: C22C19/056 ,  C22C19/05 ,  F01D5/02 ,  F01D25/24 ,  F04D29/321 ,  F05D2220/32 ,  F05D2300/175 ,  F05D2300/177 ,  F23R3/002

Abstract: A nickel-base superalloy consisting of, by weight: 14.6% to 15.9% cobalt; 11.5% to 13.0% chromium; 0.8% to 1.2% iron; 0.2% to 0.60% manganese; 2.00% to 2.40% molybdenum; 3.30% to 3.70% tungsten; 2.90% to 3.30% aluminium; 2.60% to 3.10% titanium; 3.50% to 5.10% tantalum; 1.20% to 1.80% niobium; 0.10% to 0.60% silicon; 0.02% to 0.06% carbon; 0.010% to 0.030% boron; 0.05% to 0.11% zirconium; up to 0.045% hafnium; and the balance being nickel and impurities.

公开(公告)号：US20170088919A1

公开(公告)日：2017-03-30

申请号：US15200779

申请日：2016-07-01

Applicant: ROLLS-ROYCE PLC

Inventor： Mark C. HARDY ,  Roger C. REED ,  David CRUDDEN

IPC: C22C19/05 ,  F23R3/00 ,  F04D29/32 ,  F01D5/02 ,  F01D25/24

CPC classification number: C22C19/056 ,  C22C19/05 ,  F01D5/02 ,  F01D25/24 ,  F04D29/321 ,  F05D2220/32 ,  F05D2300/175 ,  F05D2300/177 ,  F23R3/002

Abstract: A nickel-base superalloy consisting of, by weight: 14.6% to 15.9% cobalt; 11.5% to 13.0% chromium; 0.8% to 1.2% iron; 0.2% to 0.60% manganese; 2.00% to 2.40% molybdenum; 3.30% to 3.70% tungsten; 2.90% to 3.30% aluminium; 2.60% to 3.10% titanium; 3.50% to 5.10% tantalum; 1.20% to 1.80% niobium; 0.10% to 0.60% silicon; 0.02% to 0.06% carbon; 0.010% to 0.030% boron; 0.05% to 0.11% zirconium; up to 0.045% hafnium; and the balance being nickel and impurities.