Foaming of aluminium-silicon alloy using concentrated solar energy

Journal Article · Tue Jun 15 00:00:00 EDT 2010 · Solar Energy

DOI:https://doi.org/10.1016/J.SOLENER.2009.11.014· OSTI ID:21320543

Cambronero, L E.G.; Ruiz-Roman, J M ^[1]; Canadas, I; Martinez, D ^[2]

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1. Grupo de Materiales Hibridos, ETSIM-UPM, Madrid, Rios Rosas 21, 28003 Madrid (Spain)
2. Plataforma Solar de Almeria, CIEMAT, P.O. Box 22, 04200 Tabernas (Almeria) (Spain)

Solar energy is used for the work reported here as a nonconventional heating system to produce aluminium foam from Al-Si alloy precursors produced by powder metallurgy. A commercial precursor in cylindrical bars enclosed in a stainless-steel mould was heated under concentrated solar radiation in a solar furnace with varied heating conditions (heating rate, time, and temperature). Concentrated solar energy close to 300 W/cm{sup 2} on the mould is high enough to achieve complete foaming after heating for only 200 s. Under these conditions, the density and pore distribution in the foam change depending on the solar heating parameters and mould design. (author)

• OSTI ID: 21320543
• Journal Information: Solar Energy, Journal Name: Solar Energy Journal Issue: 6 Vol. 84; ISSN 0038-092X; ISSN SRENA4
• Country of Publication: United States
• Language: English

Related Subjects

14 SOLAR ENERGY
ALUMINIUM
ALUMINIUM ALLOYS
Aluminium foams
DENSITY
DESIGN
FABRICATION
FOAMS
Foaming treatment
HEATING RATE
PORE STRUCTURE
SILICON ALLOYS
SOLAR FURNACES
SOLAR HEATING
TEMPERATURE DEPENDENCE
TIME DEPENDENCE