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Titolo:
NICKEL-BASED SUPERALLOYS FOR SINGLE-CRYST AL TURBINE-BLADES
Autore:
CARON P; KHAN T;
Indirizzi:
OFF NATL ETUD & RECH AEROSP,BP 72 F-92322 CHATILLON FRANCE
Titolo Testata:
La Recherche aerospatiale
fascicolo: 5-6, , anno: 1996,
pagine: 353 - 362
SICI:
0034-1223(1996):5-6<353:NSFSAT>2.0.ZU;2-J
Fonte:
ISI
Lingua:
FRE
Keywords:
(NASA THESAURUS), SUPERALLOY; SINGLE CRYSTAL; BLADE; MICROSTRUCTURE; MECHANICAL PROPERTIES;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
25
Recensione:
Indirizzi per estratti:
Citazione:
P. Caron e T. Khan, "NICKEL-BASED SUPERALLOYS FOR SINGLE-CRYST AL TURBINE-BLADES", La Recherche aerospatiale, (5-6), 1996, pp. 353-362

Abstract

The development of the single crystal casting technology has authorised the design of new nickel based superalloys for turbine blades suitable for this manufacturing process. The absence of grain boundaries, the preferential (001) growth orientation and the microstructural homogeneity give to these alloys a set of properties significantly higher than for the conventionally cast superalloys. Some alloys were developed at ONERA and are now used in the high-temperature turbines of the french engine manufacturers SNECMA and TURBOMECA. Other single crystal superalloys were also developed for applications in land-based industrial gas turbines and in rocket engines. The studies of the relationships between the microstructure and the mechanical properties of these alloys have revealed some very significant effects of the solidificationparameters, of the size of the strengthening gamma' phase precipitates and of the cristallographic orientation.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 04/12/20 alle ore 22:15:40