The effect of the atmosphere and the role of pore filling on the sintering of aluminium

The effect of the atmosphere and the role of pore filling on the sintering of aluminium

Alloys of Al–3.8Cu–1Mg–0.7Si, Al–4Cu–0.6Si–0.1Mg, Al–4Cu–1.2Mg and Al–1.9Mg–1.9Si were made using air atomised powder and conventional press-and-sinter powder metallurgy techniques. These were sintered under nitrogen with a controlled water content which varied from 3 to 630 ppm (a dew point of −69...

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Veröffentlicht in:Acta materialia 2006-01, Vol.54 (1), p.131-138
Hauptverfasser: Schaffer, G.B., Hall, B.J., Bonner, S.J., Huo, S.H., Sercombe, T.B.
Format: Artikel
Sprache:eng
Schlagworte:
Aluminium
Applied sciences
Exact sciences and technology
Hydrogen
Metals. Metallurgy
Nitrides
Pore filling
Powder metallurgy. Composite materials
Production techniques
Sintered metals and alloys. Pseudo alloys. Cermets
Sintering
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Zusammenfassung:Alloys of Al–3.8Cu–1Mg–0.7Si, Al–4Cu–0.6Si–0.1Mg, Al–4Cu–1.2Mg and Al–1.9Mg–1.9Si were made using air atomised powder and conventional press-and-sinter powder metallurgy techniques. These were sintered under nitrogen with a controlled water content which varied from 3 to 630 ppm (a dew point of −69 to −25 °C), nitrogen–5%hydrogen, argon and argon–5%hydrogen, all at atmospheric pressure, or a vacuum of
ISSN:1359-6454
1873-2453
DOI:10.1016/j.actamat.2005.08.032