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Titolo:
Chemical synthesis and sintering behaviour of highly dispersed W/Cu composite powders
Autore:
Gusmano, G; Bianco, A; Polini, R; Magistris, P; Marcheselli, G;
Indirizzi:
Univ Roma Tor Vergata, Dipartimento Sci & Tecnol Chim, I-00133 Rome, ItalyUniv Roma Tor Vergata Rome Italy I-00133 ecnol Chim, I-00133 Rome, Italy CELSIA SpA, I-28877 Anzola Dossola, Italy CELSIA SpA Anzola Dossola Italy I-28877 A, I-28877 Anzola Dossola, Italy
Titolo Testata:
JOURNAL OF MATERIALS SCIENCE
fascicolo: 4, volume: 36, anno: 2001,
pagine: 901 - 907
SICI:
0022-2461(200102)36:4<901:CSASBO>2.0.ZU;2-B
Fonte:
ISI
Lingua:
ENG
Soggetto:
SENSORS; PARTICLES; FINE; NI; CO;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Engineering, Computing & Technology
--discip_EC--
Citazioni:
18
Recensione:
Indirizzi per estratti:
Indirizzo: Gusmano, G Univ Roma Tor Vergata, Dipartimento Sci & Tecnol Chim, Via Ricerca Sci, I-00133 Rome, Italy Univ Roma Tor Vergata Via Ricerca Sci Rome Italy I-00133 Italy
Citazione:
G. Gusmano et al., "Chemical synthesis and sintering behaviour of highly dispersed W/Cu composite powders", J MATER SCI, 36(4), 2001, pp. 901-907

Abstract

The paper reports the preparation of W/Cu composite powders by a wet process based on the reduction of selected copper precursors in ethylene glycol and in the presence of tungsten powders. Reactions were performed in different conditions of temperature, time and concentration of the copper precursor. Two different Cu compounds, Cu(AcO)(2).H2O and CuO (coarse or fine) andtwo W powders (coarse or fine) were used. The reaction yields ranged from 75% to 98%. Dense bodies (up to 97% fractional density) with highly homogeneous microstructure as well as high electrical conductivity (up to 41% IACS) were obtained by sintering W/Cu powders at 1350 degreesC. (C) 2001 KluwerAcademic Publishers.

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Documento generato il 01/10/20 alle ore 15:09:11