Transcript Metal Foam

Metal Foam
MEEN 3344
Ci Yang
Characteristics
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Made from Al, Fe, Cu, Ag, Ti, Alloy
Gas-filled pores
Very high porosity (75-95% void spaces)
Light and stiff (Strength power law density)
Similar coefficient of thermal expansion
Reduced conductivity
High cost, advanced technology aerospace and
manufacturing
Open-cell & close-cell metal foams
Manufacturers: ERG Aerospace, Metal Foam Korea, MPore, Porvair, Metafoam Cymat Corporation, Alcoa
An open-cell aluminum foam
A large-cell closed-cell aluminum foam
An open-cell brass foam water treatment disk
A small-cell closed-cell aluminum foam
Application
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Light-weight structures
Biochemical implants
Filters (high-temperature filters in Chem. Ind.)
Heat exchanger
Mechanical damping devices
Sound/energy absorber
Electrodes
Sensors
References
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Metal foam. www.wikipedia.org accessed on Oct. 15, 2008
http://www.metalfoam.net/ accessed on Oct. 15, 2008
A Broad Range of Duocel Foam Products.
http://www.ergaerospace.com accessed on Oct. 15, 2008
Metpore Examples
http://www.porvairadvancedmaterials.com/Presentation4_fil
es/frame.htm accessed on Oct. 15, 2008