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Titolo:
EFFECT OF A LONG-TERM PRIOR AGING ON THE TENSILE BEHAVIOR OF A HIGH PERFORMANCE SINGLE-CRYSTAL SUPERALLOY
Autore:
PESSAHSIMONETTI M; CARON P; KHAN T;
Indirizzi:
OFF NATL ETUD & RECH AEROSP,BP 72 F-92322 CHATILLON FRANCE
Titolo Testata:
Journal de physique. IV
fascicolo: C7, volume: 3, anno: 1993,
pagine: 347 - 350
SICI:
1155-4339(1993)3:C7<347:EOALPA>2.0.ZU;2-5
Fonte:
ISI
Lingua:
ENG
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
6
Recensione:
Indirizzi per estratti:
Citazione:
M. Pessahsimonetti et al., "EFFECT OF A LONG-TERM PRIOR AGING ON THE TENSILE BEHAVIOR OF A HIGH PERFORMANCE SINGLE-CRYSTAL SUPERALLOY", Journal de physique. IV, 3(C7), 1993, pp. 347-350

Abstract

The influence of long-term aging heat treatments on the tensile behaviour of <001> single crystals of the MC2 nickel-based superalloy was investigated at room temperature, 650 and 950 degrees C. The precipitation of brittle particles of a W-rich mu phase did not induce any deleterious effect on the tensile strength and ductility. The decrease in yield strength and the increase in ductility were attributed to the coarsening of the gamma' strengthening particles which promotes by-passing of the precipitates by matrix dislocations and the homogeneization of deformation.

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Documento generato il 04/12/20 alle ore 22:05:19