| (19) |
 |
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(11) |
EP 1 548 134 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
13.06.2007 Bulletin 2007/24 |
| (43) |
Date of publication A2: |
|
29.06.2005 Bulletin 2005/26 |
| (22) |
Date of filing: 16.12.2004 |
|
| (51) |
International Patent Classification (IPC):
|
|
| (84) |
Designated Contracting States: |
|
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI
SK TR |
|
Designated Extension States: |
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AL BA HR LV MK YU |
| (30) |
Priority: |
22.12.2003 US 743237
|
| (71) |
Applicant: GENERAL ELECTRIC COMPANY |
|
Schenectady, NY 12345 (US) |
|
| (72) |
Inventors: |
|
- Subramanian, Pazhayannur Ramanathan
Niskayuna
New York 12309 (US)
- Corderman, Reed Roeder
Niskayuna
New York 12309 (US)
- Marte, Judson Sloan
Wynantskill
New York 12198 (US)
- Angeliu, Thomas Martin
Clifton Park
New York 12065 (US)
- Huang, Shyh-Chin
Latham
New York 12110 (US)
- Gray, Dennis Michael
Delanson
New York 12053 (US)
- Anand, Krishnamurthy
Cooke Town
Bangalore 560005 (IN)
- Oruganti, Ramkumar Kashyap
Bangalore 560008
Kamataka (IN)
- Srinivasan, Dheepa
Malleswaram 560003 (IN)
- Amancherla, Sundar
Indiranagar II Stage
Banaglore 560066 (IN)
|
| (74) |
Representative: Pedder, James Cuthbert et al |
|
London Patent Operation,
General Electric International, Inc.,
15 John Adam Street
London WC2N 6LU
London WC2N 6LU (GB) |
|
| |
|
| (54) |
Metallic alloy nanocomposite for high-temperature structural components and methods
of making |
(57) A nanocomposite comprising a plurality of nanoparticles dispersed in a metallic alloy
matrix, and a structural component formed from such a nanocomposite. The metallic
matrix comprises at least one of a nickel-based alloy and an iron-based alloy. The
nanocomposite contains a higher volume fraction of nanoparticle dispersoids than those
presently available. The structural component include those used in hot gas path assemblies,
such as steam turbines, gas turbines, and aircraft turbine. A method of making such
nanocomposites is also disclosed.