Catalogo Articoli (Spogli Riviste)

OPAC HELP

Titolo:
PHASE-COMPOSITION AND CHEMICAL ORDER IN THE SINGLE-CRYSTAL NICKEL-BASE SUPERALLOY MC2
Autore:
DUVAL S; CHAMBRELAND S; CARON P; BLAVETTE D;
Indirizzi:
UFR SCI & TECH MT ST AIGNAN,MICROSCOPIE ION LAB,CNRS,URA 808,BP 118 F-76134 MONT ST AIGNAN FRANCE
Titolo Testata:
Acta metallurgica et materialia
fascicolo: 1, volume: 42, anno: 1994,
pagine: 185 - 194
SICI:
0956-7151(1994)42:1<185:PACOIT>2.0.ZU;2-9
Fonte:
ISI
Lingua:
ENG
Soggetto:
ATOM-PROBE; RANGE ORDER;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
13
Recensione:
Indirizzi per estratti:
Citazione:
S. Duval et al., "PHASE-COMPOSITION AND CHEMICAL ORDER IN THE SINGLE-CRYSTAL NICKEL-BASE SUPERALLOY MC2", Acta metallurgica et materialia, 42(1), 1994, pp. 185-194

Abstract

The time evolution of phase composition at 1050-degrees-C in a new single crystal nickel base superalloy (MC2) recently developed, is studied by means of atom-probe techniques. The results indicate that the composition of both gamma and gamma' phases evolves drastically during ageing. The composition of the mu phase was estimated for 100 h at 1050-degrees-C. Atom-probe data demonstrate that mu is a Ta, W, Mo enriched-phase. No impoverishment effect of the gamma solid solution related to the mu phase precipitation was detected. The spatial distribution of mu-forming elements in the gamma phase was investigated in order to find out whether clustering occurs. Ordering phenomena related to chromium were observed in gamma. The long range order in the gamma' phase was also studied. The microanalysis of the material on a (001) superstructure plane allowed the preferential sites of various species to be determined.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 04/12/20 alle ore 22:37:47