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：US20180073106A1

公开(公告)日：2018-03-15

申请号：US15696516

申请日：2017-09-06

Applicant: ROLLS-ROYCE plc

Inventor： Mark C. HARDY ,  Grant J. GIBSON ,  Gavin J. BAXTER ,  Yogiraj PARDHI

IPC: C22C19/05 ,  C22C1/02 ,  B33Y10/00 ,  B33Y70/00 ,  B33Y80/00 ,  B23K15/00 ,  B23K26/342

Abstract: The novel nickel-base superalloy useful in an additive manufacturing process or a powder-based manufacturing process includes the following composition in wt %: Cr 8.0-8.5; Co 9.0-9.5; Mo 0.4-0.6; W 9.3-9.7; Ta 2.9-3.6; Al 4.9-5.6; Ti 0.2-1.0; Hf 0-0.05; C 0.005-0.03; B 0.005-0.02; Zr 0.005-0.1; Nb 0.2-1; Mn 0-0.6; and S 0-0.002 (≦20 ppm); the balance nickel and incidental elements and unavoidable impurities.

公开(公告)号：US20170022586A1

公开(公告)日：2017-01-26

申请号：US15190502

申请日：2016-06-23

Applicant: ROLLS-ROYCE plc

Inventor： Mark C. HARDY ,  Howard J. STONE ,  Nicholas G. JONES ,  Paul M. MIGNANELLI

IPC: C22C19/05

CPC classification number: C22C19/058 ,  C22C19/05 ,  C22C19/055 ,  C22C19/056

Abstract: A nickel-base alloy of, in atomic percent unless otherwise stated, up to 8 percent Fe, up to 16 percent Co, between 15 and 25 percent Cr, up to 3 percent Mo, up to 2 percent W, between 3 and 5 percent Al, between 3 and 7.5 percent Nb, up to 3 percent Ta, up to 0.2 percent Ti, up to 0.5 percent C, up to 0.175 percent B, up to 0.07 percent Zr, up to 1 percent Mn, up to 1 percent Si, up to 0.2 percent Hf, the balance of Ni and incidental impurities, wherein the atomic ratio of Al to Nb is between 0.4 and 1.7, the atomic ratio of the sum of Al and Ti to Nb is between 0.4 and 1.8, and, the composition including at least 10 percent of elements from the group of Al, Nb, and Ti.

Abstract translation: 除非另有说明，镍基合金的原子百分比高达8％Fe，高达16％的Co，15％和25％之间的Cr，高达3％的Mo，高达2％的W，3％到5％ Al，3〜7.5％的Nb，3％Ta，高达0.2％的Ti，高达0.5％的C，高达0.175％的B，高达0.07％的Zr，高达1％的Mn，高达1％的Si ，高达0.2％的Hf，Ni和偶然杂质的平衡，其中Al与Nb的原子比在0.4和1.7之间，Al和Ti之和与Nb的原子比在0.4和1.8之间，并且 组成包括至少10％的来自Al，Nb和Ti组的元素。

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.

公开(公告)号：US20160194736A1

公开(公告)日：2016-07-07

申请号：US14966564

申请日：2015-12-11

Applicant: ROLLS-ROYCE PLC

Inventor： Mark C. HARDY ,  Howard J. STONE ,  Steffen NEUMEIER ,  Nicholas G. JONES ,  Katerina CHRISTOFIDOU

IPC: C22C19/05

CPC classification number: C22C19/056 ,  C22C19/05 ,  C22C30/00 ,  C22F1/10

Abstract: A nickel-base alloy having the following composition (in atomic percent unless otherwise stated): between 12 and 15% of elements from the group consisting of Al, Ti, Ta and Nb, between 12.5% and 17.5% Cr, between 22 and 29% Co, between 0 and 1.5% W, between 0 and 3% Mo, between 0.1 and 0.3% C, between 0.05 and 0.2% B, between 0.02 and 0.07% Zr and, optionally, up to 2% Fe, up to 1% Mn, up to 1% Si, and up to 0.05 Mg; the balance being Ni and incidental impurities. The alloy has an improved combination of properties (principally improved resistance to high temperature deformation and surface environmental damage) compared with known alloys, and is intended to operate for prolonged periods of time above 700° C., and up to peak temperatures of 800° C.

Abstract translation: 具有以下组成的镍基合金（除非另有说明，为原子百分数）：来自Al，Ti，Ta和Nb的元素的12至15％，Cr的12.5％至17.5％，22至29之间 ％Co，0至1.5％W，0至3％Mo，0.1至0.3％C之间，0.05至0.2％B之间，0.02至0.07％之间的Zr，以及任选高达2％的Fe，最高达1％ ％Mn，高达1％的Si和高达0.05 Mg; 余量为镍和杂质。 与已知合金相比，该合金具有改进的性能组合（主要是改善的耐高温变形性和表面环境损害），并且旨在在高于700℃的高温下操作，并且达到峰值温度为800° C。