Metal Foam MEEN 3344 Ci Yang
Characteristics 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, M- Pore, Porvair, Metafoam Cymat Corporation, Alcoa
An open-cell aluminum foamAn open-cell brass foam water treatment disk A large-cell closed-cell aluminum foamA small-cell closed-cell aluminum foam
Application Light-weight structures Biochemical implants Filters (high-temperature filters in Chem. Ind.) Heat exchanger Mechanical damping devices Sound/energy absorber Electrodes Sensors
References Metal foam. accessed on Oct. 15, 2008www.wikipedia.org accessed on Oct. 15, A Broad Range of Duocel Foam Products. accessed on Oct. 15, Metpore Examples les/frame.htm accessed on Oct. 15, les/frame.htm